ST25DV04KC ST25DV16KC ST25DV64KC
Datasheet
Dynamic NFC/RFID tag IC with 4-Kbit, 16-Kbit or 64-Kbit EEPROM, fast transfer
mode capability and optimized I2C
Features
Includes ST state-of-the-art patented technology
SO8
TSSOP8
I²C interface
•
•
•
•
WLCSP10
Contactless interface
•
•
•
UFDFPN8
Two-wire I²C serial interface supports 1MHz protocol
Single supply voltage: 1.8 V to 5.5 V
Multiple byte write programming (up to 256 bytes)
Configurable I²C slave address
UFDFPN12
•
•
•
•
Based on ISO/IEC 15693
NFC Forum Type 5 tag certified by the NFC Forum
Supports all ISO/IEC 15693 modulations, coding, subcarrier modes and data
rates
Custom fast read access up to 53 kbit/s
Single and multiple blocks read (same for Extended commands)
Single and multiple blocks write (up to four) (same for Extended commands)
Internal tuning capacitance: 28.5 pF
Memory
Product status link
ST25DV04KC
ST25DV16KC
•
•
•
•
ST25DV64KC
•
•
Up to 64 Kbit of EEPROM (depending on version)
I²C interface accesses bytes
RF interface accesses blocks of 4 bytes
Write time:
–
From I²C: typical 5 ms for 1 up to 16 bytes
–
From RF: typical 5 ms for one block
Data retention: 40 years
Write cycles endurance:
–
1 million write cycles at 25 °C
–
600k write cycles at 85 °C
–
500k write cycles at 105 °C
–
400k write cycles at 125 °C
Fast transfer mode
•
•
Fast data transfer between I²C and RF interfaces
Half-duplex 256 bytes dedicated buffer
Energy harvesting
•
Analog output pin to power external components
Data protection
•
User memory: one to four configurable areas, protectable in read and/or write by
three 64-bit passwords in RF and one 64‑bit password in I²C
DS13519 - Rev 4 - July 2022
For further information contact your local STMicroelectronics sales office.
www.st.com
ST25DV04KC ST25DV16KC ST25DV64KC
•
System configuration: protected in write by a 64-bit password in RF and a 64-bit
password in I²C
GPO
•
•
Interruption pin configurable on multiple RF events (field change, memory write,
activity, fast transfer end, user set/reset/pulse), and I²C events (memory write
completed, RF switch off)
Open drain or CMOS output (depending on version)
Low power mode (10-ball and 12-pin package only)
•
Input pin to trigger low power mode
RF management
•
•
RF command interpreter enabled/disabled from I²C host controller
I²C priority: immediate RF switch off from I²C
Temperature range
•
•
Range 6:
–
From -40 °C to 85 °C
Range 8:
–
From -40 °C to 85 °C (UDFPN8 and UFDFPN12 only)
–
From -40 °C to 125 °C (SO8N and TSSOP8 only, 105 °C max on RF
interface)
Package
•
•
DS13519 - Rev 4
8-pin, 10-ball, and 12-pin packages
ECOPACK2 (RoHS compliant)
page 2/203
ST25DV04KC ST25DV16KC ST25DV64KC
Description
1
Description
The ST25DV04KC, ST25DV16KC and ST25DV64KC devices are NFC RFID tags offering respectively
4‑Kbit, 16‑Kbit, and 64‑Kbit of electrically erasable programmable memory (EEPROM). The ST25DV04KC,
ST25DV16KC and ST25DV64KC offer two interfaces. The first one is an I2C serial link and can be operated
from a DC power supply. The second one is an RF link activated when the ST25DV04KC, ST25DV16KC and
ST25DV64KC act as a contactless memory powered by the received carrier electromagnetic wave.
In I2C mode, the ST25DV04KC, ST25DV16KC and ST25DV64KC user memories contain up to 512 bytes, 2048
bytes and 8192 bytes, which could be split in 4 flexible and protectable areas.
In RF mode, following ISO/IEC 15693 or NFC forum type 5 recommendations, the ST25DV04KC, ST25DV16KC
and ST25DV64KC user memory contains respectively up to 128 blocks, 512 blocks and 2048 blocks of 4 bytes
which could be split in 4 flexible and protectable areas.
The ST25DV04KC, ST25DV16KC and ST25DV64KC offer a fast transfer mode between the RF and contact
worlds, thanks to a 256 byte volatile buffer (also called Mailbox). In addition, the GPO pin of the ST25DV04KC,
ST25DV16KC and ST25DV64KC provides data informing the contact world about incoming events, like RF field
detection, RF activity in progress or mailbox message availability. An energy harvesting feature is also proposed
when external conditions make it possible.
Herein after all concerned devices (ST25DV04KC, ST25DV16KC and ST25DV64KC) are mentioned as
ST25DVxxKC.
1.1
ST25DVxxKC block diagram
Figure 1. ST25DVxxKC block diagram
LPD1
ANALOG FRONT END
V_EH
AC0
AC1
DIGITAL UNIT CONTROL
1.8V VOLTAGE
REGULATOR
ENERGY
HARVESTING
CONTROL
ENERGY
HARVESTING
RF INTERFACE
28.5pF tuning
capacitance
ISO/IEC 15693
PROTOCOL
AND CONTROL
VDCG1
FAST TRANSFER
CONTROL
256 Bytes
BUFFER
MEMORY
CONTROL
I2C CONTROL
Vcc
Dynamic
registers
1.
DS13519 - Rev 4
Vss
SDA
EEPROM
Up to 64Kbits User memory
GPO
System
registers
I2C
INTERFACE
SCL
VDCG and LPD are included in the 10-ball and 12-pin package only.
page 3/203
ST25DV04KC ST25DV16KC ST25DV64KC
ST25DVxxKC packaging
1.2
ST25DVxxKC packaging
ST25DVxxKC is provided in 8-pin, 10-ball, and 12-pin packages:
•
SO8N, TSSOP8, or UDFPN8 8-pin packages for the open drain version of interrupt output
•
10 balls (WLCSP) and 12 pins (UFDFPN12) for the CMOS version of interrupt output. These packages
include an additional element that minimizes the standby consumption
Table 1. 8-pin packages signal names
Signal name
Function
Direction
V_EH
Energy harvesting
Power output
GPO
Interrupt output
Output
SDA
Serial data
I/O
SCL
Serial clock
Input
AC0, AC1
Antenna coils
-
VCC
Supply voltage
Power
VSS
Ground
-
Exposed pad
Must be left floating
EP
(1)
1. Available only on UFDPN8 packages.
Figure 2. ST25DVxxKC 8-pin SO8N package connections
V_EH
1
8
VCC
AC0
2
7
AC1
3
6
SCL
VSS
4
5
SDA
GPO (Open drain)
SO8N
Figure 3. ST25DVxxKC 8-pin TSSOP8 package connections
V_EH
1
8
AC0
2
7
AC1
3
6
SCL
VSS
4
5
SDA
VCC
GPO (Open drain)
TSSOP8
DS13519 - Rev 4
page 4/203
ST25DV04KC ST25DV16KC ST25DV64KC
ST25DVxxKC packaging
Figure 4. ST25DVxxKC 8-pin UFDFN8 package connections
V_EH
1
8
VCC
AC0
2
7
GPO (Open drain)
AC1
3
6
SCL
VSS
4
5
SDA
EP
UFDFN8
Table 2. 10-pin packages signal names
Signal name
Function
Direction
V_EH
Energy harvesting
Power output
GPO
Interrupt output
Output
SDA
Serial data
I/O
SCL
Serial clock
Input
AC0, AC1
Antenna coils
-
VCC
Supply voltage
Power
VSS
Ground
-
LPD
Low power down mode
Input
VDCG
Supply voltage for GPO driver
Power
Figure 5. 10-ball WLCSP package connections
1
A
VCC
B
C
3
SCL
2
AC0
1
VCC
AC1
VDCG
C
D
SCL
VSS
A
B
GPO
LPD
AC1
VSS
3
V_EH
AC0
Marking side
(top view)
DS13519 - Rev 4
4
LPD
VDCG
SDA
4
V_EH
GPO
D
E
2
SDA
E
Bump side
(bottom view)
page 5/203
ST25DV04KC ST25DV16KC ST25DV64KC
ST25DVxxKC packaging
Table 3. 12-pin packages signal names
Signal name
Function
Direction
V_EH
Energy harvesting
Power output
GPO
Interrupt output
Output
SDA
Serial data
I/O
SCL
Serial clock
Input
AC0, AC1
Antenna coils
-
VCC
Supply voltage
Power
VSS
Ground
-
LPD
Low power down mode
Input
VDCG
Supply voltage for GPO driver
Power
NC
Not connected
Must be left floating
EP
Exposed pad
Must be left floating
Figure 6. ST25DVxxKC 12-pin UFDFPN12 package connections
LPD
1
12
VCC
NC
2
11
GPO (CMOS)
V_EH
3
10
VDCG
AC0
4
9
NC
AC1
5
8
SCL
VSS
6
7
SDA
EP
UFDFPN12
DS13519 - Rev 4
page 6/203
ST25DV04KC ST25DV16KC ST25DV64KC
Signal descriptions
2
Signal descriptions
2.1
Serial link (SCL, SDA)
2.1.1
Serial clock (SCL)
This input signal is used to strobe all data in and out of the ST25DVxxKC. In applications where this signal is used
by slave devices to synchronize the bus to a slower clock, the bus master must have an open drain output, and a
pull-up resistor must be connected from serial clock (SCL) to VCC. See Section 9.2 I²C DC and AC parameters
to know how to calculate the value of this pull-up resistor.
2.1.2
Serial data (SDA)
This bidirectional signal is used to transfer data in or out of the ST25DVxxKC. It is an open drain output that may
be wire-OR’ed with other open drain or open collector signals on the bus. A pull-up resistor must be connected
from serial data (SDA) to VCC. (Figure 82. I2C Fast mode (fC = 1 MHz): maximum Rbus value versus bus parasitic
capacitance (Cbus) indicates how the value of the pull-up resistor can be calculated).
2.2
2.2.1
Power control (VCC, LPD, VSS)
Supply voltage (VCC)
This pin can be connected to an external DC supply voltage.
Note:
An internal voltage regulator allows the external voltage applied on VCC to supply the ST25DVxxKC, while
preventing the internal power supply (rectified RF waveforms) to output a DC voltage on the VCC pin.
2.2.2
Low power down (LPD)
This input signal is used to control an internal 1.8 V regulator delivering the ST25DVxxKC internal supply. When
LPD is high, this regulator is shut off and its consumption is reduced below 1 µA.
This regulator has a turn on time in the range of 100 µs to be added to the boot duration, before the device
becomes fully operational. The impedance on LDP pin when set high should not exceed 5 kΩ. The LPD pin is
internally pulled down.
This feature is only available on the 10-ball and 12-pin ST25DVxxKC packages.
2.2.3
Ground (VSS)
VSS is the reference for the VCC and VDCG supply voltages and V_EH analogic output voltage.
DS13519 - Rev 4
page 7/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF link (AC0 AC1)
2.3
2.3.1
RF link (AC0 AC1)
Antenna coil (AC0, AC1)
These inputs are used to connect the ST25DVxxKC device to an external coil exclusively. It is advised not to
connect any other DC or AC path to AC0 or AC1.
When correctly tuned, the coil is used to power and access the device using the ISO/IEC 15693 and ISO 18000-3
mode 1 protocols.
2.4
Process control (GPO, VDCG)
2.4.1
Driver supply voltage (VDCG)
This pin, available only with 10-ball and 12-pin ST25DVxxKC packages, can be connected to an external DC
supply voltage. It only supplies the GPO (CMOS) driver block.
ST25DVxxKC cannot be powered by VDCG. If VDCG is left floating, there is not any information available on the
GPO (CMOS) pin.
2.4.2
General purpose output (GPO)
The ST25DVxxKC features a configurable output GPO pin used to provide RF and I²C activity information to an
external device.
Depending on the ST25DVxxKC package version, there are two types of GPO output:
•
8-pin ST25DVxxKC packages offer an open drain GPO output. This GPO pin must be connected to an
external pull‑up resistor (> 4.7 kΩ) to operate.
•
10-ball and 12-pin ST25DVxxKC packages offer a CMOS GPO output, which requires to connect VDCG pin
to an external power supply. The interrupt consists of setting the state to a high level, or outputting a positive
pulse on the GPO pin.
GPO pin is a configurable output signal, and can mix several interruption modes. By default, the GPO register
sets the interruption mode as an RF field change detector. It is able to raise various events like RF activity,
Memory write completion, or fast transfer actions. It can authorize the RF side to directly drive the GPO pin
using the Manage GPO command, to set the output state, or emit a single pulse (for example, to wake up an
application.). See Section 5.4 GPO for details.
2.5
Energy harvesting analog output (V_EH)
This analog output pin is used to deliver the analog voltage V_EH available when the Energy harvesting mode
is enabled and if the RF field strength is sufficient. When the Energy harvesting mode is disabled or the RF field
strength is not sufficient, V_EH pin is in High-Z state (See Section 5.5 Energy harvesting (EH) for details).
Energy harvesting voltage output is not regulated.
DS13519 - Rev 4
page 8/203
ST25DV04KC ST25DV16KC ST25DV64KC
Power management
3
Power management
3.1
Wired interface
Operating supply voltage VCC
In contact mode, prior to selecting the memory and issuing instructions to it, a valid and stable VCC voltage within
the specified [VCC(min), VCC(max)] range must be applied (see Table 246. I²C operating conditions). To maintain
a stable DC supply voltage, it is recommended to decouple the VCC line with a suitable capacitor (usually of the
order of 10 nF and 100 nF) close to the VCC/VSS package pins.
This voltage must remain stable and valid until the end of the transmission of the instruction and, for a Write
instruction, until the completion of the internal I²C write cycle (tW). Instructions are not taken into account until
completion of ST25DVxxKC's boot sequence (see the figure below).
Figure 7. ST25DVxxKC power-up sequence (No RF field, LPD pin tied to VSS or package without LPD pin)
I2C interface ready
VCC Pin
Power-up by VCC
(No VCC)
Vint_supply
None
Access
allowed
RF or I2C
I2C Start
I2C Stop
RF access not allowed
* When RF Field is present before VCC set up, tboot is performed after RF field rising.
tboot*
* If the LPD pin follows VCC before going low , tboot starts only when LPD reaches the
low level.
MS68573
Power-up conditions
When the power supply is turned on, VCC rises from VSS to VCC. The VCC rise time must not vary faster than
1 V/µs.
Device reset in I2C mode
In order to prevent inadvertent write operations during power-up, a power-on reset (POR) circuit is included.
At power-up (continuous rise of VCC), the ST25DVxxKC does not respond to any I2C instruction until VCC has
reached the power-on reset threshold voltage (this threshold is lower than the minimum VCC operating voltage
defined in Table 246. I²C operating conditions). When VCC passes over the POR threshold, the device is reset
and enters the Standby power mode. However, the device must not be accessed until VCC has reached a valid
and stable VCC voltage within the specified [VCC(min), VCC(max)] range and tboot time necessary to ST25DVxxKC
set-up has passed.
In the version supporting LPD pin, the tboot takes place only when LPD goes low.
In a similar way, during power-down (continuous decrease in VCC), as soon as VCC drops below the power-on
reset threshold voltage, the device stops responding to any instruction sent to it, and I2C address counter is reset.
Power-down mode
During power-down (continuous decay of VCC), the device must be in Standby power mode (mode reached after
decoding a Stop condition, assuming that there is no internal write cycle in progress).
DS13519 - Rev 4
page 9/203
ST25DV04KC ST25DV16KC ST25DV64KC
Contactless interface
3.2
Contactless interface
Device set in RF mode
To ensure a proper boot of the RF circuitry, the RF field must be turned ON without any modulation for
a minimum period of time tRF_ON. Before this time, ST25DVxxKC ignores all received RF commands. (See
Figure 8. ST25DVxxKC RF power-up sequence (No DC supply)).
Device reset in RF mode
To ensure a proper reset of the RF circuitry, the RF field must be turned off (100% modulation) for a minimum
tRF_OFF period of time.
The RF access can be temporarily or indefinitely disabled by setting the appropriate value in the RF disable
register.
Figure 8. ST25DVxxKC RF power-up sequence (No DC supply)
RF interface ready
RFfield
None access
allowed
RF or I2C
RF REQUEST
RF ANSWER
tboot
Power-up by RF
(No VCC;
Pull-up on GPO)
Vint_supply
tminCD
GPO = RF_ACTIVITY
REQ
EOF
GPO open drain version
ANS
EOF
IT duration
GPO = FIELD CHANGE
GPO = FIELD CHANGE AND RF_ACTIVITY
No answer to RF
request if any
DS13519 - Rev 4
page 10/203
ST25DV04KC ST25DV16KC ST25DV64KC
Memory management
4
Memory management
4.1
Memory organization overview
The ST25DVxxKC memory is divided in four main memory areas:
•
User memory
•
Dynamic registers
•
Fast transfer mode buffer
•
System configuration area
The ST25DVxxKC user memory can be divided into 4 flexible user areas. Each area can be individually read and/or - write-protected with one out of three specific 64-bit password.
The ST25DVxxKC dynamic registers are accessible by RF or I2C host and provide dynamic activity status or
allow temporary activation or deactivation of some ST25DVxxKC features.
The ST25DVxxKC also provides a 256-byte fast transfer mode buffer, acting as a mailbox between RF and I2C
interface, allowing fast data transfer between contact and contactless worlds.
Finally, the ST25DVxxKC system configuration area contains static registers to configure all ST25DVxxKC
features, which can be tuned by the user. Its access is protected by a 64-bit configuration password.
This system configuration area also includes read only device information such as IC reference, memory size or
IC revision, as well as a 64-bit block that is used to store the 64-bit unique identifier (UID), and the AFI (default
00h) and DSFID (default 00h) registers. The UID is compliant with the ISO 15693 description, and its value is
used during the anticollision sequence (Inventory). The UID value is written by ST on the production line. The AFI
register stores the application family identifier. The DSFID register stores the data storage family identifier used in
the anticollision algorithm.
The system configuration area includes five additional 64-bit blocks that store an I2C password plus three RF user
area access passwords and an RF configuration password.
DS13519 - Rev 4
page 11/203
ST25DV04KC ST25DV16KC ST25DV64KC
User memory
Figure 9. Memory organization
CC File
Area 1
Always readable
User memory
(EEPROM up to 64-Kbits)
Password protected
Area 2
Area 3
Area 4
Dynamic configuration
and activity status
Dynamic registers
Fast Transfer Mode mailbox
Fast Transfer Mode
256 Bytes buffer
System configuration
(EEPROM)
Password protected
4.2
Static configuration registers
Device information
UID, AFI, DSFID
Passwords
User memory
User memory is accessible from both RF contactless interface and I2C wired interface.
From RF interface, user memory is addressed as Blocks of 4 bytes, starting at address 0. RF extended read and
write commands can be used to address all ST25DVxxKC memory blocks. Other read and write commands can
only address up to block FFh.
From I2C interface, user memory is addressed as Bytes, starting at address 0. Device select must set E2 = 0.
User memory can be read in continuity. Unlike the RF interface, there is no roll-over when the requested address
reaches the end of the memory capacity.
Table 4. User memory as seen by RF and by I2C shows how memory is seen from RF interface and from I2C
interface.
DS13519 - Rev 4
page 12/203
ST25DV04KC ST25DV16KC ST25DV64KC
User memory
Table 4. User memory as seen by RF and by I2C
RF command
I2C command
User memory
(block addressing)
(byte addressing)
RF block (00)00h
I2C
byte
0003h
Fast Read Single Block
I2C
byte
0007h
Fast Read Multiple Blocks
Write Single Block
Write Multiple Blocks
Ext Read Single Block
byte
0002h
I2C byte
I2C byte
0001h
0000h
RF block (00)01h
Read Single Block
Read Multiple Blocks
I2C
I2C
byte
0006h
I2C byte
I2C byte
0005h
0004h
RF block (00)02h
I2C
byte
000Bh
I2C
byte
000Ah
I2C byte
I2C byte
0009h
0008h
....
Ext Read Multiple Blocks
RF block (00)7Fh (1)
Fast Ext Read Single Block
Fast Ext Read Multi. Blocks
I2C byte
I2C byte
I2C byte
I2C byte
Ext Write Single Block
01FFh
01FEh
01FDh
01FCh
....
Ext Write Multiple Blocks
I2C Read command
I2C Write command
RF block (00)FFh (2)
I2C byte
I2C byte
I2C byte
I2C byte
03FFh
03FEh
03FDh
03FCh
Device select E2 = 0
RF block 0100h
I2C
byte
0403h
I2C
byte
0402h
Ext Read Single Block
Fast Ext Read Multi. Blocks
Ext Write Single Block
I2C byte
0401h
0400h
....
Ext Read Multiple Blocks
Fast Ext Read Single Block
I2C byte
RF block 01FFh (3)
I2C byte
I2C byte
I2C byte
I2C byte
07FFh
07FEh
07FDh
07FCh
....
Ext Write Multiple Blocks
RF block 07FFh (4)
I2C byte
I2C byte
I2C byte
I2C byte
1FFFh
1FFEh
1FFDh
1FFCh
1. Last block of user memory in ST25DV04KC.
2. Last block accessible with Read Single Block, Read Multiple Blocks, Fast Read Single Block, Fast Read
Multiple Blocks, Write Single Block and Write Multiple Blocks RF commands.
3. Last block of user memory in ST25DV04KC.
4. Last block of user memory in ST25DV64KC.
Note:
DS13519 - Rev 4
In the factory all blocks of user memory are initialized to 00h.
page 13/203
ST25DV04KC ST25DV16KC ST25DV64KC
User memory
4.2.1
User memory areas
The user memory can be split into different areas, each one with a distinct access privilege.
RF and I2C write commands are legal only within a same area:
•
In RF, Write Multiple Blocks and Extended Write Multiple Blocks command are not executed and return the
error 0Fh if addresses cross an area border.
•
In I2C, a sequential write is not executed and all bytes with addresses crossing the area border are not
acknowledged if addresses cross an area border.
RF and I2C read commands are allowed over multiple areas:
•
In RF, Read Multiple Blocks and Extended read multiple Blocks (and related Fast commands) are executed
and return all readable blocks until reaching a non readable block (address read protected or non available),
even if addresses cross area borders.
•
In I2C, sequential read returns all readable bytes until reaching a non readable byte (address read protected
or non available) even if addresses cross area borders. Non readable bytes return value FFh.
Each user memory area is defined by its ending address ENDAi. The starting address is implicitly defined by the
end of the preceding area.
There are three ENDAi registers in the configuration system memory, used to define the end addresses of Area 1,
Area 2 and Area 3. The end of Area 4 is always the last block/byte of memory and is not configurable.
Figure 10. ST25DVxxKC user memory areas
ST25DV user memory
Areas limit
registers
Block/Byte 0000h
Area1
(8 Blocks/32 Bytes minimum)
ENDA1
Area2
ENDA2
Area3
ENDA3
Area4
Last Block/Byte
of user memory
On factory delivery all ENDAi are set to maximum value, only Area1 exists and includes the full user memory.
A granularity of 8 blocks (32 bytes) is offered to code area ending points.
An area’s end limit is coded as followed in ENDAi registers:
DS13519 - Rev 4
•
Last RF block address of area = 8 x ENDAi + 7 => ENDAi = int(Last Areai RF block address / 8)
•
Last I2C byte address of area = 32 * ENDAi + 31 => ENDAi = int(Last Areai I2C byte address / 32)
•
As a consequence, ENDA1 = 0 minimum size of Area 1 is 8 blocks (32 bytes).
page 14/203
ST25DV04KC ST25DV16KC ST25DV64KC
User memory
Table 5. Maximum user memory block and byte addresses and ENDAi value
Device
Last user memory block address
seen by RF
Last user memory byte address seen
by I2C
Maximum ENDAi value
ST25DV04KC
007Fh
01FFh
0Fh
ST25DV16KC
01FFh
07FFh
3Fh
ST25DV64KC
07FFh
1FFFh
FFh
Table 6. Areas and limit calculation from ENDAi registers
Area
Area 1
Area 2
Area 3
Area 4
Seen from RF interface
Seen from I2C interface
Block 0000h
Byte 0000h
…
…
Block (ENDA1*8)+7
Byte (ENDA1*32)+31
Block (ENDA1+1)*8
Byte (ENDA1+1)*32
…
…
Block (ENDA2*8)+7
Byte (ENDA2*32)+31
Block (ENDA2+1)*8
Byte (ENDA2+1)*32
…
…
Block (ENDA3*8)+7
Byte (ENDA3*32)+31
Block (ENDA3+1)*8
Byte (ENDA3+1)*32
…
…
Last memory Block
Last memory Byte
Organization of user memory in areas have the following characteristics:
•
At least one area exists (Area1), starting at Block/Byte address 0000h and finishing at ENDA1, with ENDA1
= ENDA2 = ENDA3 = End of user memory (factory setting).
•
Two Areas could be defined by setting ENDA1 < ENDA2 = ENDA3 = End of user memory.
•
Three Areas may be defined by setting ENDA1 < ENDA2 < ENDA3 = End of user memory.
•
A maximum of four areas may be defined by setting ENDA1 < ENDA2 < ENDA3 < End of user memory.
•
Area 1 specificities
–
Start of Area1 is always Block/Byte address 0000h.
–
Area1 minimum size is 8 blocks (32 bytes) when ENDA1 = 00h.
–
Area1 is always readable.
•
The last area always finishes on the last user memory Block/Byte address (ENDA4 doesn't exist).
•
All areas are contiguous: end of Area(n) + one Block/Byte address is always start of Area(n+1).
Area size programming
RF user must first open the RF configuration security session to write ENDAi registers.
I2C host must first open I2C security session to write ENDAi registers.
When programming an ENDAi register, the following rule must be respected:
•
ENDAi-1 < ENDAi ≤ ENDAi+1 = End of memory.
This means that prior to programming any ENDAi register, its successor (ENDAi+1) must first be programmed to
the last Block/Byte of memory:
•
Successful ENDA3 programming condition: ENDA2 < ENDA3 ≤ End of user memory
•
Successful ENDA2 programming condition: ENDA1 < ENDA2 ≤ ENDA3 = End of user memory
•
Successful ENDA1 programming condition: ENDA1 ≤ ENDA2 = ENDA 3 = End of user memory
DS13519 - Rev 4
page 15/203
ST25DV04KC ST25DV16KC ST25DV64KC
User memory
If this rule is not respected, an error 0Fh is returned in RF, NoAck is returned in I2C, and programming is not
done.
In order to respect this rule, the following procedure is recommended when programming Areas size (even for
changing only one Area size):
1.
Ends of Areas 3 and 2 must first be set to the end of memory while respecting the following order:
a.
If ENDA3 ≠ end of user memory, then set ENDA3 = end of memory; else, do not write ENDA3.
b.
If ENDA2 ≠ end of user memory, then set ENDA2 = end of memory; else, do not write ENDA2.
2.
Then, desired area limits can be set respecting the following order:
a.
Set new ENDA1 value.
b.
Set new ENDA2 value, with ENDA2 > ENDA1
c.
Set new ENDA3 value, with ENDA3 > ENDA2
Example of successive user memory area setting (for a ST25DV64KC):
1.
Initial state, 2 Areas are defined:
a.
ENDA1 = 10h (Last block of Area 1: (10h x 8) + 7 = 0087h)
b.
ENDA2 = FFh (Last block of Area 2: (FFh x 8) + 7 = 07FFh)
c.
ENDA3 = FFh (No Area 3)
◦
Area 1 from Block 0000h to 0087h (136 Blocks)
◦
Area 2 from Block 0088h to 07FFh (1912 Blocks)
◦
There is no Area 3
◦
There is no Area 4
2.
Split of user memory in four areas:
a.
ENDA3 is not updated as it is already set to end of memory
b.
ENDA2 is not updated as it is already set to end of memory
c.
Set ENDA1 = 3Fh (Last block of Area 1: (3Fh x 8) + 7 = 01FFh)
d.
Set ENDA2 = 5Fh (Last block of Area 1: (5Fh x 8) + 7 = 02FFh)
e.
Set ENDA3 = BFh (Last block of Area 1: (BFh x 8) + 7 = 05FFh)
◦
Area1 from Block 0000h to 01FFh (512 Blocks)
◦
Area2 from Block 0200h to 02FFh (256 Blocks)
◦
Area3 from Block 0300h to 05FFh (768 Blocks)
◦
Area4 from Block 0600h to 07FFh (512 Blocks).
3.
Return to a split in two equal areas:
a.
Set ENDA3 = FFh
b.
Set ENDA2 = FFh
c.
Set ENDA1 = 7Fh (Last block of Area 1: (7Fh x 8) + 7 = 03FFh)
◦
Area1 from Block 0000h to 03FFh (1024 Blocks)
◦
Area2 from Block 0400h to 07FFh (1024 Blocks)
◦
There is no Area3
◦
There is no Area 4
Programming ENDA3 to FFh in step 2.a would have resulted in into an error, since rule ENDAi-1 < ENDAi would
not been respected (ENDA2 = ENDA3 in that case).
DS13519 - Rev 4
page 16/203
ST25DV04KC ST25DV16KC ST25DV64KC
User memory
Registers for user memory area configuration
Table 7. ENDA1 access
I2C
RF
Command
Type
Read Configuration (cmd code A0h)
@05h
Write Configuration (cmd code A1h)
@05h
Address
R always, W if RF configuration security
E2=1, E1=1,
session is open and configuration not locked 0005h
Type
R always, W if I2C security
session is open
Table 8. ENDA1
Bit
Name
b7-b0
ENDA1
Note:
Function
Factory Value
ST25DV04KC: 0Fh
End Area 1 = 8*ENDA1+7 when expressed in blocks (RF)
End Area 1 = 32*ENDA1+31 when expressed in bytes (I2C)
ST25DV16KC: 3Fh
ST25DV64KC: FFh
Refer to Table 13. System configuration memory map for ENDA1 register.
Table 9. ENDA2 access
I2C
RF
Command
Type
Read Configuration (cmd code A0h)
@07h
Write Configuration (cmd code A1h)
@07h
Address
R always, W if RF configuration security
E2=1, E1=1,
session is open and configuration not locked 0007h
Type
R always, W if I2C security
session is open
Table 10. ENDA2
Bit
b7-b0
Note:
Name
ENDA2
Function
Factory Value
End Area 2 = 8 x ENDA2 + 7 when expressed in blocks (RF)
End Area 2 = 32*ENDA2 + 31 when expressed in bytes (I2C)
ST25DV04KC: 0Fh
ST25DV16KC: 3Fh
ST25DV64KC: FFh
Refer to Table 13. System configuration memory map for ENDA2 register.
Table 11. ENDA3 access
I2C
RF
Command
Read Configuration (cmd code A0h)
@09h
Write Configuration (cmd code A1h)
@09h
DS13519 - Rev 4
Type
Address
R always, W if RF configuration security
E2=1, E1=1,
session is open and configuration not locked 0009h
Type
R always, W if I2C security
session is open
page 17/203
ST25DV04KC ST25DV16KC ST25DV64KC
System configuration area
Table 12. ENDA3
Bit
Name
Function
b7-b0
ENDA3
Factory Value
ST25DV04KC: 0Fh
End Area 3 = 8 x ENDA3 + 7 when expressed in blocks (RF)
ST25DV16KC: 3Fh
End Area 3 = 32 x ENDA3 + 31 when expressed in bytes (I2C)
Note:
Refer to Table 13. System configuration memory map for ENDA3 register.
4.3
System configuration area
ST25DV64KC: FFh
In addition to EEPROM user memory, ST25DVxxKC includes a set of static registers located in the system
configuration area memory (EEPROM nonvolatile registers). Those registers are set during device configuration
(that is: area extension), or by the application (that is: area protection). Static registers content is read during the
boot sequence and define basic ST25DVxxKC behaviour.
In RF, the static registers located in the system configuration area can be accessed via dedicated Read
Configuration and Write Configuration commands, with a pointer acting as the register address.
The RF configuration security session must first be open, by presenting a valid RF configuration password, to
grant write access to system configuration registers.
The system configuration area write access by RF can also be deactivated by I2C host.
In I2C static registers located in the system configuration area can be accessed with I2C read and write
commands with device select E2=1, E1=1. Readable system areas could be read in continuity.
I2C security session must first be open, by presenting a valid I2C password, to grant write access to system
configuration registers.
The following table shows the complete map of the system configuration area, as seen by RF and I2C interface.
Table 13. System configuration memory map
RF access
Address
I2C access
Static Register
Type
Name
Device select
Address
Type
Enable/disable GPO output and GPO ITs for RF events
E2=1, E1=1
0000h
RW (2)
Enable/disable GPO ITs for I2C events and set Interruption
pulse duration
E2=1, E1=1
0001h
RW(2)
EH_MODE
Energy Harvesting default strategy after Power ON
E2=1, E1=1
0002h
RW(2)
RW(1)
RF_MNGT
RF interface state after Power ON
E2=1, E1=1
0003h
RW(2)
04h
RW(1)
RFA1SS
Area1 RF access protection
E2=1, E1=1
0004h
RW(2)
05h
RW(1)
ENDA1
Area 1 ending point
E2=1, E1=1
0005h
RW(2)
06h
RW(1)
RFA2SS
Area2 RF access protection
E2=1, E1=1
0006h
RW(2)
07h
RW(1)
ENDA2
Area 2 ending point
E2=1, E1=1
0007h
RW(2)
08h
RW(1)
RFA3SS
Area3 RF access protection
E2=1, E1=1
0008h
RW(2)
09h
RW(1)
ENDA3
Area 3 ending point
E2=1, E1=1
0009h
RW(2)
0Ah
RW(1)
RFA4SS
Area4 RF access protection
E2=1, E1=1
000Ah
RW(2)
Area 1 to 4 I2C access protection
E2=1, E1=1
000Bh
RW(2)
E2=1, E1=1
000Ch
RW(2)
00h
RW
(1)
GPO1
01h
RW(1)
GPO2
02h
RW(1)
03h
No access
N/A
0Dh
I2CSS
Function
RW (3) (4) LOCK_CCFILE Blocks 0 and 1 RF Write protection
RW(1)
No access
DS13519 - Rev 4
FTM
Fast transfer mode authorization and watchdog setting.
E2=1, E1=1
000Dh
RW(2)
I2C_CFG
I2C slave address configuration and enable/disable RF
switch off from I2C.
E2=1, E1=1
000Eh
RW(2)
page 18/203
ST25DV04KC ST25DV16KC ST25DV64KC
System configuration area
RF access
I2C access
Static Register
Address
Type
Name
0Fh
RW(1)
LOCK_CFG
N/A
WO (5)
LOCK_DSFID
NA
WO (6)
LOCK_AFI
N/A
RW(5)
DSFID
N/A
RW(6)
AFI
Device select
Address
Type
Protect RF Write to system configuration registers
E2=1, E1=1
000Fh
RW(2)
DSFID lock status
E2=1, E1=1
0010h
RO
AFI lock status
E2=1, E1=1
0011h
RO
DSFID value
E2=1, E1=1
0012h
RO
AFI value
E2=1, E1=1
0013h
RO
RO
MEM_SIZE
Memory size value in blocks, 2 bytes
E2=1, E1=1
0014h to 0015h
RO
RO
BLK_SIZE
Block size value in bytes
E2=1, E1=1
0016h
RO
N/A
RO
IC_REF
IC reference value
E2=1, E1=1
0017h
RO
NA
RO
UID
Unique identifier, 8 bytes
E2=1, E1=1
0018h to 001Fh
RO
IC revision
E2=1, E1=1
0020h
RO
-
ST Reserved
E2=1, E1=1
0021h
RO
-
ST Reserved
E2=1, E1=1
0022h
RO
-
ST Reserved
E2=1, E1=1
0023h
RO
I2C security session password, 8 bytes
E2=1, E1=1
N/A
IC_REV
No access
I2C_PWD
Function
N/A
WO (9)
RF_PWD_0
RF configuration security session password, 8 bytes
N/A
WO(9)
RF_PWD_1
RF user security session password 1, 8 bytes
N/A
WO(9)
RF_PWD_2
RF user security session password 2, 8 bytes
N/A
WO(9)
RF_PWD_3
RF user security session password 3, 8 bytes
0900h to 0907h R/W (7) (8)
No access
1. Write access is granted if RF configuration security session is open and configuration is not locked
(LOCK_CFG register equals to 0).
2. Write access if I2C security session is open.
3. Write access to bit 0 if Block 00h is not already locked and to bit 1 if Block 01h is not already locked.
4. LOCK_CCFILE content is only readable through reading the Block Security Status of blocks 00h and 001h
(see Section 5.6.3 User memory protection)
5. Write access if DSFID is not locked
6. Write access if AFI is not locked.
7. Write access with I2C Write Password command, only after presenting a correct I2C password.
8. Read access is granted if I2C security session is open.
9. Write access only if corresponding RF security session is open.
DS13519 - Rev 4
page 19/203
ST25DV04KC ST25DV16KC ST25DV64KC
Dynamic configuration
4.4
Dynamic configuration
ST25DVxxKC has a set of dynamic registers that allow temporary modification of its behavior or report on its
activity. Dynamic registers are volatile and not restored to their previous values after POR.
Some static registers have an image in dynamic registers: dynamic register value is initialized with the static
register value and may be updated by the application to modify the device behavior temporarily (i.e.: set reset
of Energy Harvesting). When a valid change occurs in a static register, in RF or I2C, the corresponding dynamic
register is automatically updated.
Other, dynamic registers, automatically updated, contain indication on ST25DVxxKC activity. (for instance:
IT_STS_Dyn gives the interruption’s status or MB_CTRL_Dyn gives the fast transfer mode mailbox control).
In RF, dynamic registers can be accessed via dedicated (Fast) Read Dynamic Configuration and (Fast) Write
Dynamic Configuration commands, with a pointer acting as the register address. No password is needed to
access dynamic registers.
In I2C, dynamic registers can be accessed with I2C read and write commands with device select E2=0, E1=1.
Dynamic registers can be read in continuity. Dynamic registers and fast transfer mode mailbox can be read in
continuity, but not written in continuity. No password is needed to access dynamic registers.
The table below shows the complete map of dynamic registers, as seen by RF interface and by I2C interface.
Table 14. Dynamic registers memory map
RF access
Address
Type
Name
00h
RO
GPO_CTRL_Dyn
GPO control
-
No access
02h
R/W
No access
I2C access
Dynamic Registers
Device
Address
Type
E2=0, E1=1
2000h
R/W
ST Reserved
E2=0, E1=1
2001h
RO
EH_CTRL_Dyn
Energy Harvesting management & usage status
E2=0, E1=1
2002h
R/W
RF_MNGT_Dyn
RF interface usage management
E2=0, E1=1
2003h
R/W
I2C security session status
E2=0, E1=1
2004h
RO
Interruptions Status
E2=0, E1=1
2005h
RO
I2C_SSO_Dyn
IT_STS_Dyn
Function
select
0Dh
R/W
MB_CTRL_Dyn
Fast transfer mode control and status
E2=0, E1=1
2006h
R/W
NA
RO
MB_LEN_Dyn
Length of fast transfer mode message
E2=0, E1=1
2007h
RO
DS13519 - Rev 4
page 20/203
ST25DV04KC ST25DV16KC ST25DV64KC
Fast transfer mode mailbox
4.5
Fast transfer mode mailbox
ST25DVxxKC fast transfer mode uses a dedicated mailbox buffer for transferring messages between RF and I2C
worlds. This mailbox contains up to 256 Bytes of data which are filled from the first byte.
Fast transfer mode mailbox is accessed in bytes from both RF and I2C.
In RF, mailbox is read via a dedicated (Fast) Read Message command. Read can start from any address value
inside the mailbox, between 00h and FFh. Writing in the mailbox is done via the (Fast) Write Message command
in one shot, always starting at mailbox address 00h. No password is needed to access mailbox from RF, but fast
transfer mode must be enabled.
In I2C, mailbox read can start from any address value between 2008h and 2107h. Write mailbox MUST start from
address 2008h to a max of 2107h. No password is needed to access mailbox from I2C, but fast transfer mode
must be enabled.
The table below shows the map of fast transfer mode mailbox, as seen by RF interface and by I2C interface.
Table 15. Fast transfer mode mailbox memory map
RF access
Address
Type
Name
00h
R/W
MB_Dyn Byte 0
01h
R/W
MB_Dyn Byte 1
…
…
…
FEh
R/W
FFh
R/W
DS13519 - Rev 4
I2C access
Fast transfer mode buffer
Function
Device
Address
Type
E2=0, E1=1
2008h
R/W
E2=0, E1=1
2009h
R/W
E2=0, E1=1
...
...
MB_Dyn Byte 254
E2=0, E1=1
2106h
R/W
MB_Dyn Byte 255
E2=0, E1=1
2107h
R/W
Fast transfer mode buffer (256-Bytes)
select
page 21/203
ST25DV04KC ST25DV16KC ST25DV64KC
ST25DVxxKC specific features
5
ST25DVxxKC specific features
ST25DVxxKC offers the following features:
•
A fast transfer mode (FTM), to achieve a fast link between RF and contact worlds, via a 256 byte buffer
called Mailbox. This mailbox dynamic buffer of 256 byte can be filled or emptied via either RF or I2C.
•
A GPO pin, which indicates incoming events to the contact side, like RF events (RF field changes, Rf
activity, Rf writing completion or mailbox message availability) or I2C events (I2C write completion, RF switch
off from I2C).
•
An Energy Harvesting element to deliver µW of power when external conditions make it possible.
•
RF management, which allows ST25DVxxKC to ignore RF requests.
All these features can be programmed by setting static and/or dynamic registers of the ST25DVxxKC.
ST25DVxxKC can be partially customized using configuration registers located in the system area.
These registers are:
•
dedicated to Data Memory organization and protection ENDAi, I2CSS, RFAiSS, LOCK_CCFILE.
•
•
•
•
dedicated to fast transfer mode FTM
dedicated to observation, GPO, IT_TIME
dedicated to RF , RF_MNGT, EH_MODE
dedicated the device’s structure LOCK_CFG
•
dedicated to I2C configuration, I2C_CFG
A set of additional registers allows to identify and customize the product (DSFID, AFI, IC_REF, etc.).
In I2C
Read accesses to the static configuration register is always allowed, except for passwords. For dedicated
registers, write access is granted after prior successful presentation of the I2C password. Configuration register
are located from address 0000h to 00FFh in the system area.
In RF
Dedicated commands Read Configuration and Write Configuration must be used to access the static
configuration registers. Update is only possible when the access right was granted by presenting the RF
configuration password (RF_PWD_0), and if the system configuration was not previously locked by the I2C host
(LOCK_CFG=1), which acts as security master.
After any valid write access to the static configuration registers, the new configuration is immediately applied.
Some of the static registers have a dynamic image (notice _Dyn) preset with the static register value:
GPO_CTRL_Dyn, EH_CTRL_Dyn, RF_MNGT_Dyn and MB_CTRL_Dyn.
When it exists, ST25DVxxKC uses the dynamic configuration register to manage its processes. A dynamic
configuration register updated by the application recovers its default static value after a Power On Reset (POR).
Other dynamic registers are dedicated to process monitoring:
•
I2C_SSO_Dyn is dedicated to data memory protection
•
MB_LEN_Dyn, MB_CTRL_Dyn are dedicated to fast transfer mode
•
IT_STS_Dyn is dedicated to interrupt
In I2C, read and write of the Dynamic registers is done using usual I2C read & write command at dedicated
address (E2=0 and E1=1 in device select).
In RF read or write accesses to the Dynamic registers are associated to the dedicated commands, Read Dynamic
Configuration, Write Dynamic Configuration and Read Message Length.
DS13519 - Rev 4
page 22/203
ST25DV04KC ST25DV16KC ST25DV64KC
Fast transfer mode (FTM)
5.1
Fast transfer mode (FTM)
5.1.1
Fast transfer mode registers
Static Registers
Table 16. FTM access
I2C
RF
Command
Type
R always, W if RF configuration security
session is open and configuration not
locked
Read Configuration (cmd code A0h) @0Dh
Write Configuration (cmd code A1h) @0Dh
Address
Type
E2=1, E1=1,
000Dh
R always, W if I2C security
session is open
Table 17. FTM
Bit
Name
b0
MB_MODE
b3-b1
MB_WDG
Function
Factory value
0: Enabling fast transfer mode is forbidden.
0b
1: Enabling fast transfer mode is authorized.
Watchdog duration =2MB_WDG − 1 × 30ms ± 6
000b
If MD_WDG = 0, then watchdog duration is infinite
b7-b4
Note:
RFU
-
0000b
Refer to Table 13. System configuration memory map for the FTM register.
Dynamic Registers
Table 18. MB_CTRL_Dyn access
I2C
RF
Command
Type
Address
Type
Read Dynamic Configuration (cmd code ADh) @0Dh
Fast Read Dynamic Configuration (cmd code CDh) @0Dh
b0: R always, W always
Write Dynamic Configuration (cmd code AEh) @0Dh
b7-b1: RO
E2=0, E1=1,
2006h
b0: R always, W always
b7-b1: RO
Fast Write Dynamic Configuration (cmd code CEh) @0Dh
DS13519 - Rev 4
page 23/203
ST25DV04KC ST25DV16KC ST25DV64KC
Fast transfer mode (FTM)
Table 19. MB_CTRL_Dyn
Bit
Name
Function
b0
MB_EN (1)
b1
HOST_PUT_MSG
b2
RF_PUT_MSG
b3
RFU
b4
HOST_MISS_MSG
b5
RF_MISS_MSG
b6
HOST_CURRENT_MSG
b7
RF_CURRENT_MSG
Factory value
0: Disable FTM, FTM mailbox is empty
0b
1: Enable FTM
0: No I2C message in FTM mailbox
0b
1: I2C has Put a message in FTM mailbox
0: No RF message in FTM mailbox
0b
1: RF has Put message in FTM mailbox
-
0b
0: No message missed by I2C
0b
1: I2C did not read RF message before watchdog time out
0: No message missed by RF
0b
1: RF did not read message before watchdog time out
0: No message or message not coming from I2C
0b
1: Current Message in FTM mailbox comes from I2C
0: No message or message not coming from RF
0b
1: Current Message in FTM mailbox comes from RF
1. MB_EN bit is automatically reset to 0 if MB_MODE bit in FTM register is reset to 0.
Note:
Refer to Table 14. Dynamic registers memory map for the MB_CTRL_Dyn register.
Table 20. MB_LEN_Dyn access
I2C
RF
Command
Read Message Length (cmd code ABh)
Fast Read Message Length (cmd code CBh)
Type
Address
RO
Type
E2=0, E1=1, 2007h RO
Table 21. MB_LEN_Dyn
Bit
Name
b7-b0
MB_LEN
Function
Size in byte, minus 1 byte, of message contained in FTM
mailbox (automatically set by ST25DVxxKC)
Note:
Refer to Table 14. Dynamic registers memory map for the MB_LEN_Dyn register.
5.1.2
Fast transfer mode usage
Factory value
0h
ST25DVxxKC acts as mailbox between RF (reader, smartphone, ...) and an I2C host (microcontroller...). Each
interface can send a message containing up to 256 bytes of data to the other interface through that mailbox.
To send data from RF reader to I2C host, fast transfer mode must be enabled, the mailbox must be free, VCC
power must be present, and the RF user must first writes the message containing data in the mailbox.
I2C host is then informed (by interruption on GPO output or polling on MB_CTRL_Dyn register) that a message
from RF is present in the mailbox.
Once the complete message has been read by I2C, mailbox is considered free again and is available for receiving
a new message (data is not cleared).
The RF user is informed that the message has been read by the I2C host by polling on MB_CTRL_Dyn register.
DS13519 - Rev 4
page 24/203
ST25DV04KC ST25DV16KC ST25DV64KC
Fast transfer mode (FTM)
Figure 11. RF to I2C fast transfer mode operation
ST25DV
Dynamic registers
MB_LEN_Dyn
MB_CRTL_Dyn
1Mb/s
I2C host
RF message
26.5kb/s
Fast Transfer Mode mailbox
(256 Bytes)
I2C
GPO/RF_PUT_MSG
ISO/IEC
15693 reader
Static register
FTM
To send data from the I2C host to the RF reader, fast transfer mode must be enabled, the mailbox must be free,
VCC power must be present, and the I2C host must first write the message containing data in the mailbox.
The RF user must poll on MB_CTRL_Dyn register to check for the presence of a message from I2C in the
mailbox.
Once the complete message has been read by RF user, mailbox is considered free again and is available for
receiving a new message (data is not cleared).
The I2C host is informed that message has been read by RF user through a GPO interruption or by polling on the
MB_CTRL_Dyn register.
Figure 12. I2C to RF fast transfer mode operation
ST25DV
Dynamic registers
MB_LEN_Dyn
MB_CRTL_Dyn
I2C host
I2C
Fast Transfer Mode mailbox
(256 Bytes)
ISO/IEC
15693 reader
Host message
1Mb/s
GPO/RF_GET_MSG
Static register
FTM
Up to
53kb/s
VCC supply source is mandatory to activate this feature.
No precedence rule is applied: the first request is served first.
DS13519 - Rev 4
page 25/203
ST25DV04KC ST25DV16KC ST25DV64KC
Fast transfer mode (FTM)
Adding a message is only possible when fast transfer mode is enabled (MB_EN=1) and mailbox is free
(HOST_PUT_MSG and RF_PUT_MSG cleared, which is the case after POR or after complete reading of I2C
message by RF, and complete reading of RF message by I2C).
A watchdog limits the message availability in time: when a time-out occurs, the mailbox is considered free, and
the HOST_MISS_MSG or RF_MISS_MSG bits is set into MB_CTRL_Dyn register. The data contained in the
mailbox is not cleared after a read or after the watchdog has been triggered: message data is still available
for read and until fast transfer mode is disabled. HOST_CURRENT_MSG and RF_CURRENT_MSG bits are
indicating the source of the current data.
The message is stored in a buffer (256 Bytes), and the write operation is done immediately. .
Caution:
The data written in user memory (EEPROM), either from I2C or from RF, transits via the 256-Byte buffer.
Consequently fast transfer mode must be deactivated (MB_EN=0) before starting any write operation in user
memory, otherwise the command is NotACK for I2C or get an answer 0Fh for RF and programming is not done.
I2C access to mailbox
The access by I2C can be done by dedicated address mapping to mailbox (2008h to 2107h) with device select
E2=0, E1=1.
I2C reading operation does not support rollover. Therefore data out is set to FFh when the counter reaches the
message end.
The RF_PUT_MSG is cleared after reaching the STOP consecutive to reading the last message byte, and the
mailbox is considered free (but the message is not cleared and it is still present in the mailbox) until a new
message is written or mail ox is deactivated.
A I2C reading operation never deletes the HOST_PUT_MSG, and the message remains available for RF.
An I2C read can start at any address inside the mailbox (between address 2008h and 2107h).
A I2C write operation must start from the first mailbox location, at address 2008h. After reaching the Mailbox
border at address 2107h all bytes are NACK and the command is not executed (no rollover).
At the end of a successful I2C message write, the message length is automatically set into MB_LEN_Dyn register,
and HOST_PUT_MSG bit is set into MB_CTRL_Dyn register, and the write access to the mailbox is not possible
until the mailbox has been released again. MB_LEN_Dyn contains the size of the message in byte, minus 1.
RF access to mailbox
The RF Control & Access to mailbox is possible using dedicated custom commands:
•
Read Dynamic Configuration and Fast Read Dynamic Configuration to check availability of mailbox.
•
Write Dynamic Configuration and Fast Write Dynamic configuration to enable or disable fast transfer mode.
•
Read Message Length and Fast Read Message Length to get the length of the contained message,
•
Read Message and Fast Read Message to download the content of the mailbox,
•
Write Message and Fast Write Message to put a new message in mailbox. (New length is automatically
updated after completion of a successful Write Message or Fast Write Message command).
HOST_PUT_MSG is cleared following a valid reading of the last message byte, and mailbox is considered free
(but message is not cleared and is still present in the mailbox) until a new message is written or mailbox is
deactivated.
An RF read can start at any address of inside the message, but return an error 0Fh if trying to read after the last
byte of the message.
An RF reading operation never deletes the RF_PUT_MSG and the message remains available for I2C.
At the end of a successful RF message write, the message length is automatically set in MB_LEN_Dyn register,
and RF_PUT_MSG bit is set in MB_CTRL_Dyn register. and write access to the mailbox is not possible until
mailbox has been freed again.
The presence of a DC supply is mandatory to get RF access to the mailbox. VCC_ON can be checked reading
the dynamic register EH_CTRL_Dyn.
To get more details about sequences to prepare and initiate a Fast Transfer, to detect progress of a fast transfer
or to control and execute a fast transfer, please refer to AN4910. How to exchange data between wired (I2C) and
wireless world (RF ISO15693) using fast transfer mode supported by ST25DVxxKC).
DS13519 - Rev 4
page 26/203
ST25DV04KC ST25DV16KC ST25DV64KC
Fast transfer mode (FTM)
Figure 13. Fast transfer mode mailbox access management.
MB_EN=00h or
VCC OFF
FTM disabled
MB_CTRL_Dyn=00h
No access
I2C write msg
FTM enabled
I2C Message
MB_CTRL_Dyn=43h
Read access
RF
FTM enabled
Mailbox empty
MB_CTRL_Dyn=01h
R/W access
ull
ms
g
RF write msg
FTM enabled
Mailbox free
MB_CTRL_Dyn=41/81h
R/W access
RF read
MB_CTRL_Dyn
Watchdog trig
DS13519 - Rev 4
RF read msg
FTM enabled
RF Message
MB_CTRL_Dyn=85h
Read access
Mailbox free
rea
df
Note:
VCC ON and
MB_EN=01h
MB_EN=00h or
VCC OFF
I2C read msg
MB_EN=00h or
VCC OFF
I2C
rea
ull
df
g
ms
I2C read
MB_CTRL_Dyn
FTM enabled
Mailbox free
MB_CTRL_Dyn=61/91h
R/W access
Watchdog trig
Assuming MB_MODE=1b
Assuming no error occurred
page 27/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF management feature
5.2
RF management feature
5.2.1
RF management registers
Table 22. RF_MNGT access
I2C
RF
Command
Type
R always, W if RF configuration security
session is open and configuration not
locked
Read Configuration (cmd code A0h) @03h
Write Configuration (cmd code A1h) @03h
Address
Type
E2=1, E1=1, 0003h
R always, W if I2C security
session is open
Table 23. RF_MNGT
Bit
Name
b0
RF_DISABLE
b1
RF_SLEEP
b7-b2
RFU
Note:
Function
Factory value
0: RF commands executed
0b
1: RF commands not executed (error 0Fh returned)
0: RF communication enabled
0b
1: RF communication disabled (ST25DV remains silent)
-
000000b
Refer to Table 13. System configuration memory map for the RF_MNGT register.
Table 24. RF_MNGT_Dyn access
I2C
RF
Command
Type
Address
No access
E2=0, E1=1, 2003h
Type
R always, W always
Table 25. RF_MNGT_Dyn
Bit
Name
b0
RF_DISABLE
b1
RF_SLEEP
Function
0: RF mode is defined by RF_OFF and RF_SLEEP bits
1: RF commands not executed (error 0Fh returned)
0: RF mode is defined by RF_OFF and RF_DISABLE bits
1: RF communication disabled (ST25DVxxKC remains silent)
Factory value
0b
0b
0: RF mode is defined by RF_SLEEP and RF_DISABLE bits
b2
RF_OFF
b7-b3
RFU
Note:
DS13519 - Rev 4
1: RF is reset, and communication disabled (RF security
sessions and ISO15693 state are reset and ST25DVxxKC
remains silent)
-
0b
0000000b
Refer to Table 14. Dynamic registers memory map for the RF_MNGT_Dyn register.
The RF_OFF bit access is defined as followed:
•
read only with user memory I2C slave address, followed by memory address of RF_MNGT_Dyn register.
•
write to 1 only with I2C "RFSwitchOff" command.
•
write to 0 only with I2C "RFSwitchOn" command.
•
cannot be accessed by any other I2C slave address or by RF.
page 28/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF management feature
The RF_DISABLE and RF_SLEEP bits are accessible in Read and Write with the user memory I2C salve
address, followed by memory address of RF_MNGT_Dyn register.
5.2.2
RF management feature description
RF communication capabilities between ST25DVxxKC and an RF reader can be controlled by configuring the RF
mode. ST25DVxxKC offers four RF modes:
•
RF normal mode (default mode)
•
RF disable mode
•
RF sleep mode
•
RF off mode
The RF_MNGT and RF_MNGT_Dyn registers are used to configure and control the RF mode.
At boot time, and each time the RF_MNGT register is updated, content of RF_MNGT_Dyn register is copied from
RF_MNGT register.
The content of the dynamic register RF_MNGT_Dyn can be updated on the fly, to temporarily modify the
behaviour of ST25DVxxKC without affecting the static value of RF_MNGT register which is recovered at next
POR.
RF normal mode:
In normal usage, and if I2C interface is not busy (see Section 5.3 Interface arbitration) , the ST25DVxxKC
processes the RF request and respond accordingly. In this mode, all bits of RF_MNGT_Dyn are set to 0.
RF disable mode:
In disable mode, RF commands are interpreted but not executed. In case of a valid command, the ST25DVxxKC
responds after t1 with the error 0Fh, and stay mute to the Inventory command.
ISO15693 state and RF security sessions status are unchanged.
In this mode, bit 0 of RF_MNGT_Dyn, RF_DISABLE, is set to 1 and all other bits are set to 0
RF sleep mode:
In sleep mode, all RF communication are disabled and RF interface doesn't interpret any RF commands.
ISO15693 state and RF security sessions status are unchanged.
In this mode, bit 1 of RF_MNGT_Dyn, RF_SLEEP, is set to 1 and bit 2, RF_OFF, is set to 0 (bit 0, RF_DISABLE is
don't care).
RF off mode:
In off mode, all RF communication are disabled and RF interface doesn't interpret any RF commands.
ISO15693 state is reset and RF security sessions are closed.
In this mode, bit 2 of RF_MNGT_Dyn, RF_OFF, is set to 1 and other bits are don't care.
RF sleep and RF disable modes are controlled through writing in RF_SLEEP and RF_DISABLE bits in RF_MNGT
register from RF or I2C and RF_MNGT_Dyn register from I2C.
RF off mode is controlled exclusively from I2C. An I2C “RFSwitchOff” command allows to switch off the RF and
an I2C “RFSwitchOn” command allows to switch on the RF. Entering RF off mode set the RF_MNGT_Dyn bit 2,
RF_OFF, to 1 (see Section 5.3 Interface arbitration for details on the I2C “RFSwitchOff” and I2C “RFSwitchOn”
commands).
Different RF modes have priority levels: RF off mode has priority over RF sleep mode, which has priority over RF
disable mode.
Effect of updating RF_MNGT or RF_MNGT_Dyn registers is immediate.
Effect of I2C “RFSwtichOff” command can be immediate or be effective at the end of a write in progress in
EEPROM memory, to avoid any data corruption. A pulse can be generated on GPO pin to indicate to the I2C host
exactly when the ST25DVxxKC enters in RF off mode following a valid I2C “RFSwitchOff” command.
DS13519 - Rev 4
page 29/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF management feature
RF off mode can be exited with the I2C “RFSwitchOn” command, or by removing the VCC power supply. Exiting
RF off mode reset the bit 2, RF_OFF, of RF_MNGT_Dyn register. When exiting RF off mode, ST25DVxxKC state
machine is set to Reset to Ready state, and all RF security sessions are closed.
Table 26. RF modes summary
RF mode
Run
Disable
RF requests treatment
Executed normally
Not executed.
Error 0Fh returned when possible
ISO15693 state
RF security sessions
Changed by relevant RF requests
Changed by relevant RF requests
Unchanged
Unchanged
Sleep
Not processed, not answered
Unchanged
Unchanged
Off
Not processed, not answered
Reset (back to reset to ready state)
Reset (all sessions closed)
Following table is summarizing the effect of RF_OFF, RF_SLEEP and RF_DISABLE bits, as well as I2C busy
state on any RF request:
Table 27. RF modes configuration bits and effect on RF requests
DS13519 - Rev 4
RF_OFF
RF_SLEEP
RF_DISABLE
I2C busy
0
0
0
0
Processed
0
0
0
1
Not processed and answered with error 0Fh when possible
0
0
1
x
Not processed and answered with error 0Fh when possible
0
1
x
x
No processed, not answered
1
0
x
x
No processed, not answered
1
1
x
x
No processed, not answered
Effect on RF request
page 30/203
ST25DV04KC ST25DV16KC ST25DV64KC
Interface arbitration
5.3
Interface arbitration
ST25DVxxKC automatically arbitrates the exclusive usage of RF and I2C interfaces. Arbitration scheme obeys to
“first talk first served” basic law. (see Figure 14. ST25DVxxKC, Arbitration between RF and I2C).
Figure 14. ST25DVxxKC, Arbitration between RF and I2C
Power OFF
VCC ON
or
RF field ON
Boot
RF mute
I2C mute
Boot done
RF request SOF
RF busy
(I2C commamds
are NoAck)
I2C start
ST25DV standby
RF free
I2C free
RF transaction terminated
I2C busy
(0Fh or no
response to RF
requests)
I2C transition terminated
RF transaction is terminated:
•
•
•
at response EOF if answer.
at request EOF is no answer.
at RF field OFF.
I2C transaction is terminated:
•
at the end of EEPROM programming time after the stop condition of a successful write into EEPROM (user
memory or system configuration). See Section 6.4 I²C Write operations for write time calculation
•
•
at stop condition for any other I2C transaction
at VCC power off
•
at any I2C error (terminated before stop condition)
•
at I2C timeout if it occurs
When RF is busy, I2C interface answers by NoAck on any I2C command.
When I2C is busy, RF commands receive no response (Inventory, Stay quiet, addressed commands) or error code
0Fh for any other command.
DS13519 - Rev 4
page 31/203
ST25DV04KC ST25DV16KC ST25DV64KC
Interface arbitration
5.3.1
I²C priority
When RF is in sleep mode or in off mode, RF commands are not interpreted, and RF cannot by busy. I²C is then
free to access the ST25DVxxKC exclusively.
Entering in RF sleep mode implies that I²C host writes into the RF_MNGT_Dyn register, which may not be
possible immediately if RF is busy.
In case I²C host needs to get exclusive and immediate access to the ST25DVxxKC, an immediate (or as soon as
possible) switch off (and on) of the RF interface is available.
A specific I²C “RFSwitchOff” command allows the I²C master to switch off RF immediately, or at the end of an RF
write in progress in EEPROM, even if an RF command is ongoing.
A specific I²C RFSwitchOn command allows the I²C master to switch on the RF immediately (RF returns to RF
mode defined by RF_MNGT_Dyn register).
Bit 5 of the I2C_CFG static register (I2C_RF_SWITCHOFF_EN) allows to enable or disable the RF switch off and
switch on from I²C.
The I²C “RFSwitchOff” command is defined as follows:
•
START condition, followed by the I²C “RFSwitchOff” salve address (1 Byte), followed by the acknowledge bit
from the ST25DVxxKC, followed by STOP condition.
•
See Section 6.3 Device addressing for I²C RFSwitchOff slave address value explanation.
•
I²C “RFSwitchOff“ salve address is not acknowledged only if I2C_CFG register bit 5
(I2C_RF_SWITCHOFF_EN) is set to 0 and is always acknowledged otherwise (even if RF is busy).
Figure 15. I²C “RFSwitchOff” command
ACK
R/W
Stop
1 0 E0
Start
I2C DEVICE
CODE
MS67299
The I²C RFSwitchOn command is defined as follows:
•
START condition, followed by I²C “RFSwitchOn” salve address (1 Byte), followed by acknowledge bit from
ST25DVxxKC, followed by STOP condition.
•
See Section 6.3 Device addressing for I²C RFSwitchOn slave address value explanation.
•
I²C “RFSwitchOn” salve address is not acknowledged only if I2C_CFG register bit 5
(I2C_RF_SWITCHOFF_EN) is set to 0 and is always acknowledged otherwise (even if RF is busy).
Figure 16. I²C “RFSwitchOn” command
ACK
0 0 E0
R/W
Stop
Start
I2C DEVICE
CODE
When ST25DVxxKC receives the I²C “RFSwitchOff” command outside of any RF command processing,
ST25DVxxKC is immediately setting the RF in off mode (see Section 5.2.2 RF management feature description).
If GPO interruption RF_OFF is enabled, a pulse is emitted on the GPO pin after the stop condition of the I²C
“RFSwitchOff” command.
When ST25DVxxKC receives the I²C “RFSwitchOff” command concurrently to an RF command, two possible
cases can happen:
DS13519 - Rev 4
page 32/203
ST25DV04KC ST25DV16KC ST25DV64KC
GPO
•
•
If there is a write in progress in EEPROM memory, following an RF write command execution, the RF is set
in off mode at the completion of the write in memory. ST25DVxxKC does not answer to the RF request, but
data is written into memory. If GPO interruption RF_OFF is enabled, a pulse is emitted on GPO pin at end of
all write programming cycles.
If there is no write in progress in EEPROM memory, the RF is set in RF off mode immediately. ST25DVxxKC
does not answer to the RF request. If GPO interruption RF_OFF is enabled, a pulse is emitted on GPO pin
after stop condition of the I²C “RFSwitchOff” command.
Once in RF off mode, I2C host get exclusive access to the ST25DVxxKC, whatever incoming RF requests (which
are ignored).
5.4
GPO
GPO signal is used to alert the I2C host of external RF events or ST25DVxxKC processes activity and also if
some specific I2C events. Several causes could be used to request a host interruption. RF user can also directly
drive GPO pin level using a dedicated RF command.
5.4.1
ST25DVxxKC interrupt capabilities on RF events
ST25DVxxx supports multi interruption mode and can report several events occurring through RF interface.
In this section, all drawings are referring to the open drain version of GPO output (8-pin packages).
The reader can retrieve the behaviour of CMOS version (12-pin package) by inverting the GPO curve polarity and
replace the word “released” or “high-Z” by “pull to ground”.
Supported RF events is listed hereafter:
DS13519 - Rev 4
page 33/203
ST25DV04KC ST25DV16KC ST25DV64KC
GPO
RF_USER:
•
•
•
GPO output level is controlled by Manage GPO command (set or reset)
When RF_USER is activated, GPO level is changed after EOF of ST25DVxxKC response to a Manage GPO
set or reset command (see Section 7.6.30 Manage GPO).
RF_USER is prevalent over all other GPO events when set by Manage GPO command (other interrupts are
still visible in IT_STS_Dyn status register, but do not change GPO output level).
Figure 17. RF_USER chronogram
1) VCD sends a ManageGPO command with value 00h (set GPO) and ST25DVxxKC replies.
GPO/RF_USER is tied low after ST25DVxxKC response.
S
O
F
ManageGPO
00h
command
E
O
F
t1
S ST25DVxxKC E
O
O
reply
F
F
GPO/RF_USER
2) VCD sends a ManageGPO command with value 01h (reset GPO) and ST25DVxxKC replies.
GPO/RF_USER is set high-Z low after ST25DVxxKC response.
S
O
F
ManageGPO
01h
command
E
O
F
t1
S ST25DVxxKC E
O
O
reply
F
F
GPO/RF_USER
3) VCD sends a ManageGPO command (any value) and ST25DVxxKC replies with error.
GPO/RF_USER remains high-Z.
S
O
F
ManageGPO
command
E
O
F
t1
S ST25DVxxKC E
O
O
reply
F
F
GPO/RF_USER
4) VCD sends a ManageGPO command (any value) and ST25DVxxKC stays quiet (command not for
this VICC, or quiet state). GPO/RF_USER remains high-Z.
S
O
F
ManageGPO
command
E
O
F
GPO/RF_USER
5) VCD sends any command other than ManageGPO command and ST25DVxxKC replies.
GPO/RF_USER remains high-Z.
S
O
F
Any other
command
E
O
F
t1/Wt
S ST25DVxxKC E
O
O
reply
F
F
GPO/RF_USER
DS13519 - Rev 4
page 34/203
ST25DV04KC ST25DV16KC ST25DV64KC
GPO
RF_ACTIVITY:
•
GPO output level reflects the RF activity.
•
When RF_ACTIVITY is activated, a GPO output level change from RF command EOF to ST25DVxxKC
response EOF.
Figure 18. RF_ACTIVITY chronogram
1) VCD sends a command and ST25DVxxKC replies. GPO/RF_ACTIVITY is released after
ST25DVxxKC response.
S
O
F
VCD
command
E
O
F
S ST25DVxxKC E
O
O
reply
F
F
t1
GPO/RF_ACTIVITY
2) VCD sends a write command and ST25DVxxKC replies after write completed. GPO/RF_ACTIVITY
is released after ST25DVxxKC response.
S
O
F
Write
command
E
O
F
(m*)Wt
S ST25DVxxKC E
O
O
reply
F
F
GPO/RF_ACTIVITY
3) VCD sends a write command with option flag set to 1, and ST25DVxxKC replies after receiving
EOF. GPO/RF_ACTIVITY is released after ST25DVxxKC response.
S
O
F
Write
command
E
O
F
>(m*)Wt
E
O
F
t1
S ST25DVxxKC E
O
O
reply
F
F
GPO/RF_ACTIVITY
4) VCD sends an Inventory 16 slots command, and ST25DVxxKC replies in its slot. GPO/
RF_ACTIVITY is released after ST25DVxxKC response.
S
O
F
Inventory
command
E
O
F
E
O
F
E
O
F
Slot 1
Slot n
t1
S ST25DVxxKC E
O
O
reply
F
F
GPO/RF_ACTIVITY
5) VCD sends a command and ST25DVxxKC stays quiet (Stay Quiet command, command not for this
VICC, or quiet state). GPO/RF_ACTIVITY remains high-Z.
S
O
F
VCD
Command
E
O
F
GPO/RF_ACTIVITY
DS13519 - Rev 4
page 35/203
ST25DV04KC ST25DV16KC ST25DV64KC
GPO
RF_INTERRUPT:
•
•
A pulse is emitted on GPO by Manage GPO command (interrupt).
When RF_INTERRUPT is activated, a pulse of duration IT_TIME is emitted after EOF of ST25DVxxKC
response to a Manage GPO interrupt command (see Section 7.6.30 Manage GPO).
Figure 19. RF_INTERRUPT chronogram
1) VCD sends a ManageGPO command with value 80h (GPO emit pulse) and ST25DVxxKC replies.
GPO/RF_INTERRUPT generates a pulse of duration IT_TIME after ST25DVxxKC response.
S
O
F
ManageGPO
80h
command
E
O
F
t1
S ST25DVxxKC E
O
O
reply
F
F
GPO/RF_INTERRUPT
2) VCD sends a ManageGPO command (any value) and ST25DVxxKC replies with error.
GPO/RF_INTERRUPT remains high-Z.
S
O
F
ManageGPO
command
E
O
F
t1
S ST25DVxxKC E
O
O
reply
F
F
GPO/RF_INTERRUPT
3) VCD sends a ManageGPO command (any value) and ST25DVxxKC stays quiet (command not for
this VICC, or quiet state). GPO/RF_INTERRUPT remains high-Z.
S
O
F
ManageGPO
command
E
O
F
GPO/RF_INTERRUPT
4) VCD sends any command other than ManageGPO command and ST25DVxxKC replies.
GPO/RF_INTERRUPT remains high-Z.
S
O
F
Any other
command
E
O
F
t1/Wt
S ST25DVxxKC E
O
O
reply
F
F
GPO/RF_INTERRUPT
DS13519 - Rev 4
page 36/203
ST25DV04KC ST25DV16KC ST25DV64KC
GPO
FIELD_CHANGE:
•
•
•
•
A pulse is emitted on GPO to signal a change in RF field state.
When FIELD_CHANGE is activated, and when RF field appear or disappear, GPO emits a pulse of duration
IT_TIME.
In case of RF field disappear, the pulse is emitted only if VCC power supply is present.
If RF is configured in RF_SLEEP mode or is in RF_OFF state, field change are not reported on GPO, even if
FIELD_CHANGE event is activated, as shown in Table 28.
Table 28. FIELD_CHANGE when RF is disabled or in sleep of off mode
RF_DISABLE
RF_SLEEP
RF_OFF
0
0
0
A pulse is emitted on GPO if RF field appears or disappears (1)
1
0
0
IT_STS_Dyn register is updated.
X
1
X
GPO remains High-Z (open drain version) or is tied to ground (CMOS version).
1
IT_STS_Dyn register is not updated.
X
X
GPO behaviour when FIELD_CHANGE is enabled
1. assuming that GPO output is enabled (GPO_EN = 1).
Figure 20. FIELD_CHANGE chronogram
1) RF field appears. GPO/FIELD_CHANGE generates a pulse during IT_TIME.
RF field
S
O
F
First VCD
command
E
O
F
t1
S ST25DVxxKC E
O
O
reply
F
F
GPO/FIELD_CHANGE
2) RF field disappears and ST25DVxxKC is powered through VCC. GPO/FIELD_CHANGE generates
a pulse during IT_TIME.
RF field
S
O
F
VCD
command
E
O
F
t1
S ST25DVxxKC E
O
O
reply
F
F
GPO/FIELD_CHANGE
3) RF field disappears and ST25DVxxKC is not powered through VCC. GPO/FIELD_CHANGE doesn’t
generates any pulse.
RF field
S
O
F
VCD
command
E
O
F
t1
S ST25DVxxKC E
O
O
reply
F
F
GPO/FIELD_CHANGE
DS13519 - Rev 4
page 37/203
ST25DV04KC ST25DV16KC ST25DV64KC
GPO
RF_PUT_MSG:
•
•
A pulse is emitted on GPO when a message is successfully written by RF in fast transfer mode mailbox.
When RF_PUT_MSG is activated, a pulse of duration IT_TIME is emitted on GPO at completion of valid
Write Message or Fast Write Message commands (after EOF of ST25DVxxKC response).
Figure 21. RF_PUT_MSG chronogram
1) VCD sends a Write Message or Fast Write Message command and ST25DVxxKC replies with no error.
GPO/RF_PUT_MSG generates a pulse during IT_TIME after ST25DVxxKC response.
S
O
F
Write Msg
command
E
O
F
t1
S ST25DVxxKC E
O
O
reply
F
F
GPO/RF_PUT_MSG
2) VCD sends a Write Message or Fast Write Message command and ST25DVxxKC replies with error.
GPO/RF_PUT_MSG remains high-Z.
S
O
F
Write Msg
command
E
O
F
t1
S ST25DVxxKC E
O
O
reply
F
F
GPO/RF_PUT_MSG
3) VCD sends Write Message or Fast Write Message command and ST25DVxxKC stays quiet (command
not for this VICC, or quiet state). GPO/RF_PUT_MSG stays high-Z.
S
O
F
Write Msg
Command
E
O
F
GPO/RF_PUT_MSG
4) VCD sends a any other command than Write Message or Fast Write Message commands and
ST25DVxxKC replies. GPO/RF_PUT_MSG remains high-Z.
S
O
F
Any other
command
E
O
F
t1
S ST25DVxxKC E
O
O
reply
F
F
GPO/RF_PUT_MSG
DS13519 - Rev 4
page 38/203
ST25DV04KC ST25DV16KC ST25DV64KC
GPO
RF_GET_MSG:
•
•
A pulse is emitted on GPO when RF has successfully read a message, up to its last byte, in fast transfer
mode mailbox.
When RF_GET_MSG is activated, a pulse of duration IT_TIME is emitted on GPO at completion of valid
Read Message or Fast Read Message commands (after EOF of ST25DVxxKC response), and end of
message has been reached.
Figure 22. RF_GET_MSG chronogram
1) VCD sends a Read Message or Fast Read Message command and ST25DVxxKC replies with no error.
GPO/RF_GET_MSG generates a pulse during IT_TIME after ST25DVxxKC response.
S
O
F
Read Msg E
O
command
F
t1
S ST25DVxxKC E
O
O
reply
F
F
GPO/RF_GET_MSG
2) VCD sends a Read Message or Fast Read Message command and ST25DVxxKC replies with
error. GPO/RF_GET_MSG remains high-Z.
S
O
F
Read Msg E
O
command
F
t1
S ST25DVxxKC E
O
O
reply
F
F
GPO/RF_GET_MSG
3) VCD sends Read Message or Fast Read Message command and ST25DVxxKC stays quiet
(command not for this VICC, or quiet state). GPO/RF_GET_MSG stays high-Z.
S
O
F
Read Msg
Command
E
O
F
GPO/RF_GET_MSG
4) VCD sends any other command than Read Message or Fast Read Message commands and
ST25DV replies. GPO/RF_GET_MSG remains high-Z.
S
O
F
Any other
command
E
O
F
t1
S ST25DVxxKC E
O
O
reply
F
F
GPO/RF_GET_MSG
DS13519 - Rev 4
page 39/203
ST25DV04KC ST25DV16KC ST25DV64KC
GPO
RF_WRITE:
•
•
•
When RF_WRITE is activated, a pulse of duration IT_TIME is emitted at completion of a valid RF write
operation in EEPROM (after EOF of ST25DVxxKC response).
Following commands trigger the RF_WRITE interrupt after a valid write operation in EEPROM:
–
Write Single Block
–
Extended Write Single Block
–
Write Multiple Block
–
Extended Write Multiple Block
–
Lock Block
–
Extended Lock Block
–
Write AFI
–
Lock AFI
–
Write DSFID
–
Lock DSFID
–
Write Configuration
–
Write Password
Note that writing in dynamic registers or fast transfer mode mailbox does not trigger RF_WRITE interrupt (no
write operation in EEPROM).
Figure 23. RF_WRITE chronogram
1) VCD sends a write command and ST25DVxxKC replies after write completed.
GPO/RF_WRITE generates a pulse during IT_TIME after ST25DVxxKC response.
S
O
F
Write
command
E
O
F
(m*)Wt
S ST25DVxxKC E
O
O
reply
F
F
GPO/RF_WRITE
2) VCD sends a write command with option flag set to 1, and ST25DVxxKC replies after receiving EOF.
GPO/RF_WRITE generates a pulse during IT_TIME after ST25DV response.
S
O
F
Write
command
E
O
F
>(m*)Wt
E
O
F
t1
S ST25DVxxKC E
O
O
reply
F
F
GPO/RF_WRITE
3) VCD sends a write command and ST25DV GPO/RF_ replies with error.
GPO/RF_WRITE remains high-Z.
S
O
F
Write
command
E
O
F
t1
S ST25DVxxKC E
O
O
reply
F
F
GPO/RF_WRITE
4) VCD sends any other command than a write command. GPO/RF_WRITE remains high-Z.
S
O
F
Any other
command
E
O
F
t1
S ST25DVxxKC E
O
O
reply
F
F
GPO/RF_WRITE
5) VCD sends any command and ST25DV GPO/RF_ stays quiet (command not for this VICC, or quiet state).
RF_ACTIVITY remains high-Z.
S
O
F
E
VCD
Command O
F
GPO/RF_WRITE (OD)
DS13519 - Rev 4
page 40/203
ST25DV04KC ST25DV16KC ST25DV64KC
GPO
5.4.2
ST25DVxxKC interrupt capabilities on I2C events
On top of RF events, the ST25DVxxKC provides two additional I2C events that can trigger an interrupt on the
GPO pin.
In this section, all drawings are referring to the open drain version of GPO output (8-pin packages).
The reader can retrieve the behaviour of CMOS version (12-pin package) by inverting the GPO curve polarity and
replace the word “released” or “high-Z” by “pull to ground”.
Supported I2C events is listed hereafter:
I2C_WRITE:
•
•
•
When I2C_WRITE is activated, a pulse of duration IT_TIME is emitted at completion of a valid I2C write
operation in EEPROM (after I2C STOP condition).
Note that writing in dynamic registers or fast transfer mode mailbox does not trigger I2C_WRITE interrupt
(no write operation in EEPROM).
The purpose of this GPO interrupt is to inform the I2C host when the I2C write programming cycle in
EEPROM is completed, meaning the I2C bus and RF interface are free for new operation.
Figure 24. GPO/I2C_WRITE chronogram
1) I2C host sends a valid write command to EEPROM. ST25DVxxKC program the data into EEPROM.
GPO/I2C_WRITE generates a pulse during IT_TIME after programming cycle completion.
S I2C Write
A P
m * Wt
GPO/I2C_WRITE
2) I2C host sends an invalid write command to EEPROM. ST25DVxxKC does not program the data
into EEPROM. GPO/I2C_WRITE remains High-Z.
S I2C Write
N P
GPO/I2C_WRITE
3) I2C host sends a valid write command to Dynamic register or Mailbox. ST25DVxxKC program the
data with no programming cycle. GPO/I2C_WRITE remains high-Z.
S I2C Write
GPO/I2C_WRITE
DS13519 - Rev 4
A P
MS69215
page 41/203
ST25DV04KC ST25DV16KC ST25DV64KC
GPO
I2C_RF_OFF:
•
•
When I2C_RF_OFF is activated, a pulse of duration IT_TIME is emitted:
–
after the I2C STOP condition of a successful I2C “RFSwitchOff” command if no RF write to EEPROM is
ongoing.
–
after the end of all blocks programming if the STOP condition of a successful I2C “RFSwitchOff”
command happens during an RF write to EEPROM.
The purpose of this GPO interrupt is to inform the I2C master when the I2C RFSwitchOff command has
switched off the RF (RF is in off mode), as the timing action of the I2C RFSwitchOff can vary if an EEPROM
write from RF is ongoing.
Figure 25. GPO/I2C_RF_OFF chronogram
1) I2C host sends a valid I2C RFSwithcOff command and there is no write in progress to EEPROM
memory from RF. RF is swithced off immediately and GPO/I2C_RF_OFF generates a pulse during
IT_TIME after I2C STOP condition.
S
I2C RFSwitchOff
A P
GPO/I2C_RF_OFF
2) I2C host sends a valid I2C RFSwitchOff command and there is a write in progress to EEPROM
memory from RF. RF is switched off and GPO/I2C_RF_OFF generates a pulse during IT_TIME at end
of EEPROM programming.
Wt(RF)
S
I2C RFSwitchOff
A P
GPO/I2C_RF_OFF
3) I2C host sends a valid I2C RFSwitchOff command and I2C_RF_SWITCHOFF_EN = 0. RF is not
swithced off and the GPO/I2C_RF_OFF remains high-Z.
S
I2C RFSwitchOff
GPO/I2C_RF_OFF
5.4.3
A P
MS69216
GPO and power supply
When at the same time RF field is present and VCC is ON, GPO is acting as configured in GPO1, GPO2 and
GPO_CTRL_Dyn registers and both RF events ans I2C events are reflected to the GPO pin.
When VCC is ON and no RF field is present, GPO is acting as configured in GPO2 and GPO_CTRL_Dyn
registers, Only I2C events are reflected on the GPO pin. IT_STS_Dyn register is maintained unchanged until next
I2C read of VCC power off.
When RF field is present and VCC is OFF, GPO is acting as configured in GPO1 (and GPO2 for IT_TIME
configuration only) and GPO_CTRL_Dyn registers. Only RF events are reflected on the GPO pin (assuming
pull-up resistor is supplied with correct voltage for open drain version, or VDCG voltage is supplied for CMOS
version). Exception is FIELD_CHANGE when RF field is falling, which can’t be reported on GPO output if VCC is
off (no power supply on ST25DVxxKC).
DS13519 - Rev 4
page 42/203
ST25DV04KC ST25DV16KC ST25DV64KC
GPO
Table 29. GPO interrupt capabilities in function of RF field and VCC
VCC
RF field
LPD
GPIO pin
OFF
OFF
Don't care
Remains High-Z (open drain version) or is tied to ground (CMOS version)
ON
OFF
Don't care
State is function of RF events(1)(2)
OFF
ON
High
Remains High-Z (open drain version) or is tied to ground (CMOS version)
ON
ON
High
State is function of RF events(1)(2)
OFF
ON
Low/unconnected
State function of I2C events
ON
ON
Low/unconnected
State is function of both RF and I2C event(1)
1. If pull-up resistor is powered (open drain) or VDCG is powered (CMOS)
2. Except FIELD_CHANGE in case of RF field falling
5.4.4
GPO registers
Four registers are dedicated to this feature:
•
Two static registers in system configuration
•
Two dynamic registers
Table 30. GPO1 access
I2C
RF
Command
Read Configuration (cmd code A0h) @00h
Write Configuration (cmd code A1h) @00h
DS13519 - Rev 4
Type
R always, W if RF configuration security
session is open and configuration not
locked
Address
Type
E2=1, E1=1, 0000h
R always, W if I2C security
session is open
page 43/203
ST25DV04KC ST25DV16KC ST25DV64KC
GPO
Table 31. GPO1
Bit
Name
b0
GPO_EN
Function
Factory value
0: GPO output is disabled. GPO is High-Z (open drain version) or is tied to
ground (CMOS version).
1b
1: GPO output is enabled. GPO outputs enabled interrupts.
b1
RF_USER_EN
b2
RF_ACTIVITY_EN
b3
RF_INTERRUPT_EN
b4
FIELD_CHANGE_EN
b5
RF_PUT_MSG_EN
b6
RF_GET_MSG_EN
b7
RF_WRITE_EN
0: disabled
0b
1: GPO output level is controlled by Manage GPO Command (set/reset).
0: disabled
0b
1: GPO output level changes from RF command EOF to response EOF.
0: disabled
0b
1: GPO output level is controlled by Manage GPO Command (pulse).
0: disabled
1b
1: A pulse is emitted on GPO, when RF field appears or disappears.
0: disabled
0b
1: A pulse is emitted on GPO at completion of valid RF Write Message
command.
0: disabled
0b
1: A pulse is emitted on GPO at completion of valid RF Read Message
command if end of message has been reached.
0: disabled
Note:
0b
1: A pulse is emitted on GPO at completion of valid RF write operation in
EEPROM.
Refer to Table 13. System configuration memory map for the GPO1 register:
•
Enables the interruption source, and enable GPO output.
•
Several interruption sources can be enabled simultaneously.
•
The updated value is valid for the next command (except for the RF_WRITE interrupt, which is valid right
after EOF of the Write Configuration command if enabled through RF).
•
The GPO_EN bit (b0) is used to disable GPO output. The interruptions are still reported in STS_Dyn
register.
•
RF configuration security session (present RF password 0) or I2C security session (present I2C password)
must be open in order to write the GPO1 register.
Table 32. GPO2 access
I2C
RF
Command
Read Configuration (cmd code A0h) @01h
Write Configuration (cmd code A1h) @01h
DS13519 - Rev 4
Type
R always, W if RF configuration security
session is open and configuration not
locked
Address
Type
E2=1, E1=1, 0001h
R always, W if I2C security
session is open
page 44/203
ST25DV04KC ST25DV16KC ST25DV64KC
GPO
Table 33. GPO2
Bit
Name
Function
b7-b5
RFU
b4-b2
IT_TIME
b1
I2C_RF_OFF_EN
b0
I2C_WRITE_EN
Note:
Factory value
-
000b
Pulse duration = 301 us - IT_TIME x 37.65 us ± 2 us
011b
0: disabled 1: A pulse is emitted on GPO when I2C host has
successfully switched the RF off.
0b
0: disabled 1: A pulse is emitted on GPO at completion of
valid I2C write operation in EEPROM
0b
Refer to Table 13. System configuration memory map for the GPO2 register.
•
•
Defines interrupt pulse duration on GPO pin for the flowing events: RF_INTERRUPT, FIELD_CHANGE,
RF_PUT_MSG, RF_GET_MSG, RF_WRITE , I2C_RF_OFF_EN and I2C_WRITE_EN.
See Eq. (1) for interrupt duration calculation.
Table 34. GPO_CTRL_Dyn access
I2C
RF
Command
Type
Read Dynamic Configuration (cmd code ADh) @00h
RO
Fast Read Dynamic Configuration (cmd code CDh) @00h
Address
Type
E2=0, E1=1,
2000h
b7-b1: RO
b0 : R always, W always
Table 35. GPO_CTRL_Dyn
Bit
Name
Function
Factory value
b7-b1
RFU
-
0000000b
b0
GPO_EN
0: GPO output is disabled. GPO is High-Z (open drain version) or is tied to ground
(CMOS version).
1b
1: GPO output is enabled. GPO outputs enabled interrupts.
Note:
Refer to Table 14. Dynamic registers memory map for the GPO_CTRL_Dyn register.
•
•
•
•
Allows I2C host to dynamically enable or disable GPO output by writing in GPO_EN bit (b0).
GPO_EN bit of GPO_CTRL_Dyn register is prevalent over GPO_EN bit of GPO register.
At power up, and each time GPO register is updated, GPO_EN bit content is copied from GPO register.
GPO_CTRL_Dyn is a volatile register. Value is maintained only if at least one of the two power sources is
present (RF field or VCC).
•
GPO_CTRL_Dyn bit 0 (GPO_EN) can be written even if I2C security session is closed (I2C password not
presented) but is read only for RF user.
Modifying GPO_CTRL_Dyn bit 0 (GPO_EN), does not affect the value of GPO register bit 0 GPO_EN
•
Table 36. IT_STS_Dyn access
I2C
RF
Command
Type
No access
DS13519 - Rev 4
Address
E2=0, E1=1, 2005h
Type
RO
page 45/203
ST25DV04KC ST25DV16KC ST25DV64KC
GPO
Table 37. IT_STS_Dyn
Bit
Name
b0
RF_USER
b1
RF_ACTIVITY
b2
RF_INTERRUPT
b3
FIELD_FALLING
b4
FIELD_RISING
b5
RF_PUT_MSG
b6
RF_GET_MSG
b7
RF_WRITE
Function
0: Manage GPO reset GPO
1: Manage GPO set GPO
0: No RF access
1: RF access
0: No Manage GPO interrupt request
1: Manage GPO interrupt request
0: No RF field falling
1: RF Field falling
0: No RF field rising
1: RF field rising
0: No message put by RF in FTM mailbox
1: Message put by RF in FTM mailbox
Factory value
0b
0b
0b
0b
0b
0b
0: No message read by RF from FTM mailbox
Note:
0: No write in EEPROM
1: Write in EEPROM
0b
0b
Refer to Table 14. Dynamic registers memory map for the IT_STS_Dyn register.
•
•
•
•
•
DS13519 - Rev 4
1: Message read by RF from FTM mailbox, and 'end of
message' reached
Cumulates all events which generate interruptions. It should be checked by I2C host to know which event
triggered an interrupt on GPO pin.
When enabled, RF events are reported in IT_STS_Dyn register even if GPO output is disabled though the
GPO_EN bit.
Once read the ITSTS_Dyn register is cleared (set to 00h).
At power up, IT_STS_Dyn content is cleared (set to 00h).
IT_STS_Dyn is a volatile register. Value is maintained only if at least one of the two power sources is
present (RF field or VCC).
page 46/203
ST25DV04KC ST25DV16KC ST25DV64KC
GPO
5.4.5
Configuring GPO
GPO and interruption pulse duration can be configured by RF user or by I2C host. One or more interrupts can be
enabled at same time.
RF user can use Read Configuration and Write Configuration commands to set accordingly the GPO1 and GPO2
registers, after presenting a valid RF configuration password to open RF configuration security session.
I2C host can write GPO1 and GPO2 registers, after presenting a valid I2C password to open I2C security session.
Enabling or disabling GPO output:
•
RF user and I2C host can disable or enable GPO output at power up time by writing in GPO_EN bit 0 of
GPO1 register (if write access is granted).
•
I2C host can temporarily enable or disable GPO output at any time by toggling GPO_EN bit 0 of
GPO_CTRL_Dyn register. No password is required to write into GPO_CTRL_Dyn register.
Disabling GPO output by writing in GPO_EN bit (either in GPO1 or in GPO_CTRL_Dyn registers) does not
disable interruption report in IT_STS_Dyn status register.
•
Table 38. Enabling or disabling GPO interruptions
GPO1 bit 0:
GPO_CTRL_Dyn bit 0:
GPO_EN
GPO_EN
0
0
GPO remains High-Z (open drain version) or is tied to ground (CMOS version).
1
0
GPO remains High-Z (open drain version) or is tied to ground (CMOS version).
0
1
Activated RF and I2C events are reported on GPO output.(1)
1
1
Activated RF and I2C events are reported on GPO output. (1)
GPO output
1. If pull-up resistor is powered (open drain version) or VDCG is powered (CMOS version).
Interruption pulse duration configuration:
•
Interrupt pulse duration is configured by writing pulse duration value in bits 4 to 2 (IT_TIME) of GPO2
register
•
Pulse duration is calculated with the following equation
IT pulse duration equation:
ITpulse duration = 301μs − IT_TIME × 37.65μs ± 2μs
DS13519 - Rev 4
(1)
page 47/203
ST25DV04KC ST25DV16KC ST25DV64KC
Energy harvesting (EH)
5.5
Energy harvesting (EH)
5.5.1
Energy harvesting registers
Table 39. EH_MODE access
I2C
RF
Command
Type
Read Configuration (cmd code A0h) @02h
R always, W if RF configuration security
session is open and configuration not locked
Write Configuration (cmd code A1h) @02h
Address
Type
E2=1, E1=1,
0002h
R always, W if I2C security
session is open
Table 40. EH_MODE
Bit
Name
b0
EH_MODE
b7-b1
RFU
Note:
Function
Factory value
0: EH forced after boot
1b
1: EH on demand only
-
0000000b
Refer to Table 13. System configuration memory map for the EH_MODE register.
Table 41. EH_CTRL_Dyn access
I2C
RF
Command
Type
Address
Type
E2=0, E1=1,
2002h
b0: R always, W always
Read Dynamic Configuration (cmd code ADh) @02h
Fast Read Dynamic Configuration (cmd code CDh) @02h
b0: R always, W always
Write Dynamic Configuration (cmd code AEh) @02h
b1 - b7: RO
b1-b7 : RO
Fast Write Dynamic Configuration (cmd code CEh) @02h
Table 42. EH_CTRL_Dyn
Bit
Name
b0
EH_EN
b1
EH_ON
b2
FIELD_ON
b3
VCC_ON
b7-b4
RFU
Note:
DS13519 - Rev 4
Function
0: Disable EH feature
1: Enable EH feature
0: EH feature is disabled
1: EH feature is enabled
0: RF field is not detected
1: RF field is present and ST25DVxxKC may communicate in RF
0: No DC supply detected on VCC pin or Low Power Down mode is forced (LPD is high)
1: VCC supply is present and Low Power Down mode is not forced (LPD is low)
-
Factory value
0b
0b
Depending of power source
Depending of power source
0b
Refer to Table 14. Dynamic registers memory map for the EH_CTRL_Dyn register.
page 48/203
ST25DV04KC ST25DV16KC ST25DV64KC
Energy harvesting (EH)
5.5.2
Energy harvesting feature description
The usage of Energy Harvesting element can be defined in configuration register EH_MODE. When the Energy
harvesting mode is disabled or the RF field strength is not sufficient, the energy harvesting analog voltage output
V_EH is in High-Z state.
EH_MODE Static Register is used to define the Energy Harvesting default strategy after boot.
At boot EH_EN (in EH_CTRL_Dyn register) is set depending EH_MODE value as shown in table below:
Table 43. Energy harvesting at power-up
EH_MODE
EH_EN (at boot)
0
1
1
0
Energy harvesting at power-up
EH enabled after boot (when possible)
EH disabled initially,
EH delivered on demand (when possible)
Writing 0 in EH_MODE at any time after boot automatically sets EH_EN bit to 1, and thus activate energy
harvesting.
Writing 1 in EH_MODE at any time after boot does not modify EH_EN bit (until next reboot) and thus does not
modify energy harvesting current state.
EH_CTRL_Dyn allows to activate or deactivate on the fly the Energy harvesting (EH_EN) and bring information
on actual state of EH and state of power supplies :
•
EH_ON set reflects the EH_EN bit value
•
FIELD_ON is set in presence of an RF field
•
VCC_ON is set when Host power supply is on, and low power-down mode is not forced.
During boot, EH is not delivered to avoid alteration in device configuration.
Caution:
DS13519 - Rev 4
Communication is not guaranteed during EH delivery. Refer to the application note AN4913 (Energy harvesting
delivery impact on ST25DVxxKC behaviour during RF communication).
Energy harvesting can be set even if ST25DVxxKC is in RF disabled or RF Sleep mode, or in Low power mode.
In all these cases, ST25DVxxKC delivers power on V_EH pin if RF field is present. Energy harvesting voltage
output is not regulated.
page 49/203
ST25DV04KC ST25DV16KC ST25DV64KC
Energy harvesting (EH)
5.5.3
EH delivery state diagram
Figure 26. EH delivery state diagram
No EH
requested
ield
Vc
cO
No EH
requested
Vc
cO
FF
N
c O =0
Vc ODE
_M
EH
FF
cO
Vc
RF Field OFF
Vcc ON
RF
Fie
ld
RF
Fie
ld
OF
F
ld
Fie
F
R
Power OFF
RF Field OFF
Vcc OFF
RF Field ON
Vcc OFF
F
OF
ON
ld =1
e
i
F
DE
RF _MO
EH
RF
EH Fie
_M ld O
OD N
E=
0
RF
Fie
ld
OF
F
EH
delivered
c
Vc
EH
delivered
RF Field ON
Vcc OFF
N
cO
Vc
OF
F
RF Write
EH_CTRL_Dyn=1
or
RF Write EH_MODE=0
I2C Write
EH_CTRL_Dyn=1
or
I2C Write EH_MODE=0
Write EH_CTRL_Dyn=1
or
Write EH_MODE=0
EH Vcc
_M ON
OD
E=
1
EH
requested
not delivered
N
Write EH_CTRL_Dyn=0
RF Field OFF
Vcc ON
I2C Write
EH_CTRL_Dyn=0
FF
ON
F
RF
No EH
requested
Vc
cO
RF Write
EH_CTRL_Dyn=0
R
iel
FF
RF Field ON
Vcc ON
FF
dO
F
OF
RF Field ON
Vcc ON
Note:
DS13519 - Rev 4
Power is delivered on V_EH only if harvested energy is sufficient to supply ST25DVxxKC and leave over power.
Grey color indicates the states where power is delivered on V_EH pin.
page 50/203
ST25DV04KC ST25DV16KC ST25DV64KC
Data protection
5.5.4
EH delivery sequence
Figure 27. ST25DVxxKC Energy Harvesting Delivery Sequence
No
Boot
Boot
Vcc
No
Boot
Boot
No
Boot
RF
Field(1)
With EH_MODE=0 :
Reset
EH_EN
EH_EN
EH_ON
Set
EH_EN
Reset
EH_EN
Set
EH_EN
Reset
EH_EN
V_EH(2)
With EH_MODE=1 :
EH_EN
EH_ON
Set
EH_EN
Reset
EH_EN
Set
EH_EN
Reset
EH_EN
Set
EH_EN
Set
EH_EN
V_EH(2)
1.
2.
5.6
We suppose that the captured RF power is sufficient to trig EH delivery.
V_EH = 1 means some µW are available on V_EH pin.
V_EH = 0 means V_EH pin is in high-Z.
Data protection
ST25DVxxKC provides a special data protection mechanism based on passwords that unlock security sessions.
User memory can be protected for read and/or write access and system configuration can be protected from write
access, both from RF and I2C assess.
5.6.1
Data protection registers
Table 44. RFA1SS access
I2C
RF
Command
Read Configuration (cmd code A0h) @04h
Write Configuration (cmd code A1h) @04h
DS13519 - Rev 4
Type
R always, W if RF configuration security
session is open and configuration not
locked
Address
Type
E2=1, E1=1, 0004h
R always, W if I2C security
session is open
page 51/203
ST25DV04KC ST25DV16KC ST25DV64KC
Data protection
Table 45. RFA1SS
Bit
Name
Function
Factory value
00: Area 1 RF user security session can’t be open by password
b1-b0
PWD_CTRL_A1
01: Area 1 RF user security session is open by RF_PWD_1
00b
10: Area 1 RF user security session is open by RF_PWD_2
11: Area 1 RF user security session is open by RF_PWD_3
00: Area 1 RF access: Read always allowed / Write always allowed
b3-b2
RW_PROTECTION_A1
01: Area 1 RF access: Read always allowed, Write allowed if RF user security
session is open
10: Area 1 RF access: Read always allowed, Write allowed if RF user security
session is open
00b
11: Area 1 RF access: Read always allowed, Write always forbidden
b7-b4
RFU
Note:
-
0000b
Refer to Table 13. System configuration memory map for the RFA1SS register.
Table 46. RFA2SS access
I2C
RF
Command
Type
R always, W if RF configuration security
session is open and configuration not
locked
Read Configuration (cmd code A0h) @06h
Write Configuration (cmd code A1h) @06h
Address
Type
E2=1, E1=1, 0006h
R always, W if I2C security
session is open
Table 47. RFA2SS
Bit
Name
Function
Factory value
00: Area 2 RF user security session can’t be open by password
b1-b0
PWD_CTRL_A2
01: Area 2 RF user security session is open by RF_PWD_1
00b
10: Area 2 RF user security session is open by RF_PWD_2
11: Area 2 RF user security session is open by RF_PWD_3
00: Area 2 RF access: Read always allowed, Write always allowed
01: Area 2 RF access: Read always allowed, Write allowed if RF user security
session is open
b3-b2
RW_PROTECTION_A2
10: Area 2 RF access: Read allowed if RF user security session is open, Write
allowed if RF user security session is open
00b
11: Area 2 RF access: Read allowed if RF user security session is open, Write
always forbidden
Note:
Refer to Table 13. System configuration memory map for the RFA2SS register.
Table 48. RFA3SS access
I2C
RF
Command
Read Configuration (cmd code A0h) @08h
Write Configuration (cmd code A1h) @08h
DS13519 - Rev 4
Type
R always, W if RF configuration security
session is open and configuration not
locked
Address
Type
E2=1, E1=1, 0008h
R always, W if I2C security
session is open
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Table 49. RFA3SS
Bit
Name
Function
Factory value
00: Area 3 RF user security session can’t be open by password
b1-b0
PWD_CTRL_A3
01: Area 3 RF user security session is open by RF_PWD_1
00b
10: Area 3 RF user security session is open by RF_PWD_2
11: Area 3 RF user security session is open by RF_PWD_3
00: Area 3 RF access: Read always allowed / Write always allowed
01: Area 3 RF access: Read always allowed, Write allowed if RF user security
session is open
b3-b2
RW_PROTECTION_A3
10: Area 3 RF access: Read allowed if RF user security session is open, Write
allowed if RF user security session is open
00b
11: Area 3 RF access: Read allowed if RF user security session is open, Write
always forbidden
b7-b4
RFU
Note:
-
0000b
Refer to Table 13. System configuration memory map for the RFA3SS register.
Table 50. RFA4SS access
I2C
RF
Command
Type
Read Configuration (cmd code A0h) @0Ah
Write Configuration (cmd code A1h) @0Ah
R always, W if RF configuration security
session is open and configuration not
locked
Address
Type
E2=1, E1=1, 000Ah
R always, W if I2C security
session is open
Table 51. RFA4SS
Bit
Name
Function
Factory value
00: Area 4RF user security session can’t be open by password
b1-b0
PWD_CTRL_A4
01: Area 4 RF user security session is open by RF_PWD_1
10: Area 4 RF user security session is open by RF_PWD_2
00b
11: Area 4 RF user security session is open by RF_PWD_3
00: Area 4 RF access: Read always allowed, Write always allowed
01: Area 4 RF access: Read always allowed, Write allowed if RF user security
session is open
b3-b2
RW_PROTECTION_A4
10: Area 4 RF access: Read allowed if RF user security session is open, Write
allowed if RF user security session is open
00b
11: Area 4 RF access: Read allowed if RF user security session is open, Write
always forbidden
b7-b4
Note:
DS13519 - Rev 4
RFU
-
0000b
Refer to Table 13. System configuration memory map for the RFA4SS register.
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Table 52. I2CSS access
I2C
RF
Command
Type
No access
Address
Type
E2=1, E1=1, 000Bh
R always, W if I2C security
session is open
Table 53. I2CSS
Bit
Name
Function
Factory value
00: Area 1 I2C access: Read always allowed, Write always allowed
b1-b0
RW_PROTECTION_A1
01: Area 1 I2C access: Read always allowed, Write allowed if I2C user security
session is open
10: Area 1 I2C access: Read always allowed, Write always allowed
00b
11: Area 1 I2C access: Read always allowed, Write allowed if I2C user security
session is open
00: Area 2 I2C access: Read always allowed, Write always allowed
01: Area 2 I2C access: Read always allowed, Write allowed if I2C user security
session is open
b3-b2
RW_PROTECTION_A2
10: Area 2 I2C access: Read allowed if I2C user security session is open, Write
always allowed
00b
11: Area 2 I2C access: Read allowed if I2C security session is open, Write
allowed if I2C security session is open
00: Area 3 I2C access: Read always allowed, Write always allowed
01: Area 3 I2C access: Read always allowed, Write allowed if I2C user security
session is open
b5-b4
RW_PROTECTION_A3
10: Area 3 I2C access: Read allowed if I2C user security session is open, Write
always allowed
00b
11: Area 3 I2C access: Read allowed if I2C security session is open, Write
allowed if I2C security session is open
00: Area 4 I2C access: Read always allowed, Write always allowed
01: Area 4 I2C access: Read always allowed, Write allowed if I2C user security
session is open
b7-b6
RW_PROTECTION_A4
10: Area 4 I2C access: Read allowed if I2C user security session is open, Write
always allowed
00b
11: Area 4 I2C access: Read allowed if I2C security session is open, Write
allowed if I2C security session is open
Note:
DS13519 - Rev 4
Refer to Table 13. System configuration memory map for the I2CSS register.
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Table 54. LOCK_CCFILE access
I2C
RF
Command
Type
Lock Block (cmd code 22h) @00h/01h
Address
Type
E2=1, E1=1,
000Ch
R always, W if I2C
security session is open
(1)
Ext Lock Block (cmd code 32h) @00h/01h
Read Block (cmd code 20h) @00h/01h
Fast Read Block(1) (cmd code C0h) @00h/01h
Ext Read Block(1) (cmd code 30h) @00h/01h
Fast Ext Read Block(1) (cmd code C4h) @00h/01h
R always
Read Multi Block(1) (cmd code 23h) @00h/01h
b0: W if Block 00h is not already locked,
Ext Read Multi Block(1) (cmd code 33h) @00h/01h
b1: W if Block 01h is not already locked.
Fast Read Multi Block(1) (cmd code C3h)
@00h/01h
Fast Ext Read Multi Block(1) (cmd code C5h)
@00h/01h
Get Multi Block SS (cmd code 2Ch) @00h/01h
Ext Get Multi Block SS (cmd code 3Ch) @00h/01h
1. With option flag set to 1.
Table 55. LOCK_CCFILE
Bit
Name
b0
LCKBCK0
b1
LCKBCK1
b7-b2
RFU
Note:
Function
Factory value
0: Block @ 00h is not Write locked
0b
1: Block @ 00h is Write locked
0: Block @ 01h is not Write locked
0b
1: Block @ 01h is Write locked
-
000000b
Refer to Table 13. System configuration memory map for the LOCK_CCFILE register.
Table 56. LOCK_CFG access
I2C
RF
Command
Type
Read Configuration (cmd code A0h) @0Fh
Write Configuration (cmd code A1h) @0Fh
R always, W if RF configuration security
session is open and configuration not
locked
Address
Type
E2=1, E1=1, 000Fh
R always, W if I2C security
session is open
Table 57. LOCK_CFG
Bit
Name
b0
LCK_CFG
b7-b1
RFU
Note:
DS13519 - Rev 4
Function
0: Configuration is unlocked
Factory value
0b
1: Configuration is locked
-
0000000b
Refer to Table 13. System configuration memory map for the LOCK_CFG register.
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Data protection
Table 58. I2C_PWD access
I2C
RF
Command Type Address
No access
Type
E2=1, E1=1, 0900h to 0907h, Present/Write password
command format.
R if I2C security session is open, W if I2C security session is open
Table 59. I2C_PWD
Factory
value
I2C address
Bit
0900h
b7-b0
Byte 7 (MSB) of password for I2C security session
00h
0901h
b7-b0
Byte 6 of password for I2C security session
00h
Name
0902h
b7-b0
0903h
b7-b0
0904h
b7-b0
Function
security session
00h
Byte 4 of password for I2C security session
00h
Byte 3 of password for I2C security session
00h
Byte 5 of password for
I2C_PWD
I2C
I2C
0905h
b7-b0
Byte 2 of password for
security session
00h
0906h
b7-b0
Byte 1 of password for I2C security session
00h
0907h
b7-b0
Byte 0 (LSB) of password for I2C security session
00h
Note:
Refer to Table 13. System configuration memory map for the I2C_PWD register.
Table 60. RF_PWD_0 access
I2C
RF
Command
Present Password (cmd code B3h)
Write Password (cmd code B1h)
Type
Address
WO if RF configuration security session is
open
Type
No access
Table 61. RF_PWD_0
Bit
b7-b0
Note:
DS13519 - Rev 4
Name
RF_PWD_0
Function
Factory value
Byte 0 (LSB) of password for RF configuration security
session
00h
Byte 1 of password for RF configuration security session
00h
Byte 2 of password for RF configuration security session
00h
Byte 3 of password for RF configuration security session
00h
Byte 4 of password for RF configuration security session
00h
Byte 5 of password for RF configuration security session
00h
Byte 6 of password for RF configuration security session
00h
Byte 7 (MSB) of password for RF configuration security
session
00h
Refer to Table 13. System configuration memory map for the RF_PWD_0 register.
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Data protection
Table 62. RF_PWD_1 access
I2C
RF
Command
Type
Present Password (cmd code B3h)
Address
WO if RF configuration security session
is open with RF password 1
Write Password (cmd code B1h)
Type
No access
Table 63. RF_PWD_1
Bit
b7-b0
Note:
Name
Function
RF_PWD_1
Factory value
Byte 0 (LSB) of password 1 for RF user security session
00h
Byte 1 of password 1 for RF user security session
00h
Byte 2 of password 1 for RF user security session
00h
Byte 3 of password 1 for RF user security session
00h
Byte 4 of password 1 for RF user security session
00h
Byte 5 of password 1 for RF user security session
00h
Byte 6 of password 1 for RF user security session
00h
Byte 7 (MSB) of password 1 for RF user security session
00h
Refer to Table 13. System configuration memory map for the RF_PWD_1 register.
Table 64. RF_PWD_2 access
I2C
RF
Command
Present Password (cmd code B3h)
Write Password (cmd code B1h)
Type
Address
WO if RF user security session is open
with RF password 2
Type
No access
Table 65. RF_PWD_2
Bit
b7-b0
Note:
DS13519 - Rev 4
Name
RF_PWD_2
Function
Factory value
Byte 0 (LSB) of password 2 for RF user security session
00h
Byte 1 of password 2 for RF user security session
00h
Byte 2 of password 2 for RF user security session
00h
Byte 3 of password 2 for RF user security session
00h
Byte 4 of password 2 for RF user security session
00h
Byte 5 of password 2 for RF user security session
00h
Byte 6 of password 2 for RF user security session
00h
Byte 7 (MSB) of password 2 for RF user security session
00h
Refer to Table 13. System configuration memory map for the RF_PWD_2 register.
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Data protection
Table 66. RF_PWD_3 access
I2C
RF
Command
Type
Present Password (cmd code B3h)
Address
WO if RF user security session is open
with RF password 3
Write Password (cmd code B1h)
Type
No access
Table 67. RF_PWD_3
Bit
b7-b0
Note:
Name
Function
RF_PWD_3
Factory value
Byte 0 (LSB) of password 3for RF user security session
00h
Byte 1 of password 3 for RF user security session
00h
Byte 2 of password 3 for RF user security session
00h
Byte 3 of password 3 for RF user security session
00h
Byte 4 of password 3 for RF user security session
00h
Byte 5 of password 3 for RF user security session
00h
Byte 6 of password 3 for RF user security session
00h
Byte 7 (MSB) of password 3 for RF user security session
00h
Refer to Table 13. System configuration memory map for the RF_PWD_3 register.
Table 68. I2C_SSO_Dyn access
I2C
RF
Command
Type
Address
No access
Type
E2=0, E1=1, 2004h RO
Table 69. I2C_SSO_Dyn
Bit
Name
b7-b1
RFU
Function
-
Factory value
0b
0: I2C security session close
b0
I2C_SSO
1: I2C security session open
0b
(Set or reset via I2C Present password command)
Note:
Refer to Table 13. System configuration memory map for the I2C_SSO_Dyn register.
5.6.2
Passwords and security sessions
ST25DVxxKC provides protection of user memory and system configuration static registers. RF user and I2C host
can access those protected data by opening security sessions with the help of passwords. Access rights is more
restricted when security sessions are closed, and less restricted when security sessions are open.
Dynamic registers and fast transfer mode mailbox are not protected by any security session.
There is three type of security sessions, as shown in the table below:
DS13519 - Rev 4
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Data protection
Table 70. Security session type
Security session
Open by presenting
Right granted when security session is open, and until it is closed
RF password 1, 2 or 3 (1)
RF user
RF configuration
I2C
RF user access to protected user memory as defined in RFAiSS registers
(RF_PWD_1, RF_PWD_2,
RF user write access to RF password 1, 2 or 3(2)
RF_PWD_3)
RF password 0
(RF_PWD_0)
I2C password
(I2C_PWD)
RF user write access to configuration static registers
RF user write access to RF password 0
I2C host access to protected user memory as defined in I2CSS register
I2C host write access to configuration static registers
I2C host write access to I2C password
1. Password number must be the same as the one selected for protection.
2. Write access to the password number corresponding to the password number presented.
All passwords are 64-bit long, and default factory passwords value is 0000000000000000h.
The ST25DVxxKC passwords management is organized around RF and I2C dedicated set of commands to
access the dedicated registers in system configuration area where password values are stored.
The dedicated password commands in RF mode are:
•
Write Password command (code B1h): see Section 7.6.36 Present Password.
•
Present Password command (code B3h): see Section 7.6.36 Present Password.
RF user possible actions for security sessions are:
•
Open RF user security session: Present Password command, with password number 1, 2 or 3 and the
valid corresponding password
•
Write RF password: Present Password command, with password number (0, 1, 2 or 3) and the current valid
corresponding password. Then Write Password command, with same password number (0, 1, 2 or 3) and
the new corresponding password.
•
Close RF user security session: Present Password command, with a different password number than
the one used to open session or any wrong password. Or remove tag from RF field (POR). Presenting a
password with an invalid password number doesn't close the session.
•
Open RF configuration security session: Present Password command, with password number 0 and the
valid password 0.
•
Close RF configuration security session: Present Password command, with a password number different
than 0, or password number 0 and wrong password 0. Or remove tag from RF field (POR). Presenting a
password with an invalid password number doesn't close the session.
Opening any new RF security session (user or configuration) automatically close the previously open one (even if
it fails).
There is no interaction between I2C and RF security sessions. Both are independent, and can run in parallel.
Caution:
DS13519 - Rev 4
If ST25DVxxKC is powered through VCC, removing VCC during an RF command can abort the command. As a
consequence, before writing a new password, RF user should check if VCC is ON, by reading EH_CTRL_Dyn
register bit 3 (VCC_ON), and eventually ask host to maintain or to shut down VCC, before issuing the Write
Password command in order to avoid password corruption.
To make the application more robust, it is recommended to use addressed or selected mode during write
password operations to get the traceability of which tags/UID have been programmed.
page 59/203
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Data protection
Figure 28. RF security sessions management
ST25DV out
of RF field
RF field ON
RF field OFF
All RF
security
sessions
closed
Any other
command
Present any RF
password not OK(1)
Present
RF_PWD_x OK
Any other
command
RF security
session x
opened
(y closed)
Present
RF_PWD_x OK
Any other
command
Present
RF_PWD_y OK
RF security
session y
opened
(x closed)
1. Presenting a password with an invalid password number doesn't close the session.
The dedicated password commands in I2C mode are:
•
I2C Write Password command: see Section 6.6.2 I2C write password command description.
•
I2C Present Password command: see Section 6.6.1 I2C present password command description.
I2C host possible actions for security sessions are:
•
Open I 2 C security session: I2C Present Password command with valid I2C password.
•
Write I 2 C password: I2C Present Password command with valid I2C password. Then I2C Write Password
command with new I2C password.
•
Close I 2 C security session: I2C Present Password command with wrong I2C password. Or remove tag
VCC power supply (POR).
•
Check if I 2 C security session is open: I2C host can read the current status (open or closed) of I2C
security session by reading the I2C_SSO_Dyn register.
There is no interaction between I2C and RF security sessions. Both are independent and can run in parallel.
DS13519 - Rev 4
page 60/203
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Data protection
Figure 29. I2C security sessions management
VCC OFF
VCC ON
Any other
command
I2C security
session closed
I2C_SSO=00h
Present
I2C_PWD not OK
Any other
command
5.6.3
VCC
OFF
Present
I2C_PWD
OK
I2C security
session opened
I2C_SSO=01h
User memory protection
On factory delivery, areas are not protected.
Each area can be individually protected in read and/or write access from RF and I2C.
Area 1 is always readable (from RF and I2C).
Furthermore, RF blocks 0 and 1 (I2C bytes 0000h to 0007h) can be independently write locked.
User memory protection from RF access
In RF mode, each memory area of the ST25DVxxKC can be individually protected by one out of three available
passwords (RF password 1, 2 or 3), and each area can also have individual Read/Write access conditions.
For each area, an RFAiSS register is used to:
•
•
Select the RF password that unlock the RF user security session for this area
Select the protection against read and write operations for this area
(See Table 45. RFA1SS, Table 47. RFA2SS, Table 49. RFA3SS, and Table 51. RFA4SS for details about available
read and write protections).
Note:
DS13519 - Rev 4
Setting 00b in PWD_CTRL_Ai field means that RF user security session cannot be open by any password for
the corresponding area.
When updating RFAiSS registers, the new protection value is effective immediately after the register write
completion.
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Data protection
•
Rf blocks 0 and 1 are exceptions to this protection mechanism:
–
RF blocks 0 and 1 can be individually write locked by issuing a (Ext) Lock Single Block RF command.
Once locked, they cannot be unlock through RF. LOCK_CCFILE register is automatically updated
when using (Ext) Lock Single Block command.
–
An RF user needs no password to lock blocks 0 and/or 1.
–
Locking blocks 0 and/or 1 is possible even if the configuration is locked (LOCK_CFG=1).
–
Locking blocks 0 and/or 1 is possible even if the area is write locked.
–
Unlocking area1 (through RFA1SS register) does not unlock blocks 0 and 1 if they have been locked
though (Ext) Lock Block command.
–
Note:
Once locked, the RF user cannot unlock blocks 0 and/or 1 (can be done by I2C host).
When areas size are modified (ENDAi registers), RFAiSS registers are not modified.
User memory protection from I2C access
In I2C mode, each area can also have individual Read/Write access conditions, but only one I2C password is used
to unlock I2C security session for all areas.
The I2CSS register is used to set protection against read and write operation for each area (see Table 53. I2CSS
for details about available read and write protections).
When updating I2CSS registers, the new protection value is effective immediately after the register write
completion.
I2C user memory Bytes 0000h to 0003h (RF Block 0) and 0004h to 0007h (RF Block 1) can be individually locked
and unlocked by writing in the LOCK_CCFILE register (by group of 4 Bytes), independently of Area 1 protection.
Unlocking Area 1 (through I2CSS register) does not unlock those bytes if they have been locked though the
LOCK_CCFILE register.
Note:
When areas size are modified (ENDAi registers), I2CSS register is not modified.
Retrieve the security status of a user memory block or byte
RF user can read a block security status by issuing following RF commands:
•
(Ext) Get Multiple Blocks Security Status command.
•
(Ext) (Fast) Read Single Block with option flag set to 1.
•
(Ext) (Fast) Read Multiple Blocks with option flag set to 1.
ST25DV responds with a Block security status containing a Lock_bit flag as specified in ISO 15693 standard. This
lock_bit flag is set to one if block is locked against write.
Lock_bit flag value may vary if corresponding RF user security session is open or closed.
I2C host can retrieve a block security status by reading the I2CSS register to get security status of the
corresponding area and by reading the I2C_SSO_Dyn register to know if I2C security session is open or closed.
For blocks 0 and 1 (Bytes 0000h to 0007h in I2C user memory), lock status can also be read in the
LOCK_CCFILE register.
5.6.4
System memory protection
By default, system memory (static registers) is write protected, both in RF and I2C.
I2C host must open the I2C security session (by presenting a valid I2C password) to enable write access to
system configuration static registers.
I2C host doesn’t have read or write access to RF passwords.
By default, I2C host can read all system configuration static registers (except RF passwords)
In RF, to enable write access to system configuration static registers, RF user must open the RF configuration
security session (by presenting a valid RF password 0) and system configuration must not be locked
(LOCK_CFG=00h).
RF doesn’t have read or write access to I2C password.
By default, RF user can read all system configuration static registers, except all passwords, LOCK_CCFILE,
LOCK_DSFID and LOCK_AFI.
RF configuration lock:
DS13519 - Rev 4
page 62/203
ST25DV04KC ST25DV16KC ST25DV64KC
Device parameter registers
•
•
•
RF write access to system configuration static registers can be locked by writing 01h in the LOCK_CFG
register (by RF or I2C).
RF user cannot unlock system configuration if LOCK_CFG=01h, even after opening RF configuration
security session (only I2C host can unlock system configuration).
When system configuration is locked (LOCK_CFG=01h), it is still possible to change RF passwords (0 to 3).
Device identification registers:
•
AFI and DFSID registers can be independently locked by RF user, issuing respectively a Lock AFI and a
Lock DSFID command. Lock is definitive: once locked, AFI and DSFID registers cannot be unlocked (either
by RF or I2C). System configuration locking mechanism (LOCK_CFG=01h) does not lock AFI and DSFID
registers.
•
Other device identification registers (MEM_SIZE, BLK_SIZE, IC_REF, UID, IC_REV) are read only registers
for both RF and I2C.
5.7
Device parameter registers
Table 71. LOCK_DSFID access
I2C
RF
Command
Type
Address
Lock DSFID (cmd code 2Ah)
WO if DSFID not locked
Type
E2=1, E1=1, 0010h
RO
Table 72. LOCK_DSFID
Bit
Name
b0
LOCK_DSFID
b7-b1
RFU
Note:
Function
Factory value
0: DSFID is not locked
0b
1: DSFID is locked
-
0000000b
Refer to Table 13. System configuration memory map for the LOCK_DSFID register.
Table 73. LOCK_AFI access
I2C
RF
Command
Type
Address
Lock AFI (cmd code 28h)
WO if AFI not locked
E2=1, E1=1, 0011h
Type
RO
Table 74. LOCK_AFI
Bit
Name
b0
LOCK_AFI
b7-b1
RFU
Note:
DS13519 - Rev 4
Function
0: AFI is not locked
Factory value
0b
1: AFI is locked
-
0000000b
Refer to Table 13. System configuration memory map for the LOCK_AFI register.
page 63/203
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Device parameter registers
Table 75. DSFID access
I2C
RF
Command
Type
Address
Type
Inventory (cmd code 01h)
Get System Info (cmd code 2Bh)
R always, W if DSFID not locked
Ext Get System Info (cmd code 3Bh)
E2=1, E1=1, 0012h
RO
Write DSFID (cmd code 28h)
Table 76. DSFID
Bit
Name
b7-b0
DSFID
Note:
Function
Factory value
ISO/IEC 15693 Data Storage Format Identifier
00h
Refer to Table 13. System configuration memory map for the DSFID register.
Table 77. AFI access
I2C
RF
Command
Type
Address
Type
Inventory (cmd code 01h)
Get System Info (cmd code 2Bh)
R always, W if AFI not locked
Ext Get System Info (cmd code 3Bh)
E2=1, E1=1, 0013h
RO
Write AFI (cmd code 27h)
Table 78. AFI
Bit
Name
b7-b0
AFI
Note:
Function
Factory value
ISO/IEC 15693 Application Family Identifier
00h
Refer to Table 13. System configuration memory map for the AFI register.
Table 79. MEM_SIZE access
I2C
RF
Command
Get System Info (cmd code 2Bh)
Type
(1)
Ext Get System Info (cmd code 3Bh)
RO
Address
E2=1, E1=1, 0014h
to 0015h
Type
RO
1. Only ST25DV04KC
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ST25DV04KC ST25DV16KC ST25DV64KC
Device parameter registers
Table 80. MEM_SIZE
I2C
Address
Bit
Name
Function
Factory value
ST25DV04KC: 7Fh
0014h
Address 0014h: LSB byte of the memory size
expressed in RF blocks
b7-b0
ST25DV64KC: FFh
MEM_SIZE
0015h
ST25DV04KC: 00h
Address 0015h: MSB byte of the memory size
expressed in RF blocks
b7-b0
ST25DV16KC: FFh
ST25DV16KC: 01h
ST25DV64KC: 07h
Note:
Refer to Table 13. System configuration memory map for the MEM_SIZE register.
Table 81. BLK_SIZE access
I2C
RF
Command
Get System Info (cmd code 2Bh)
Type
Address
Type
(1)
RO
Ext Get System Info (cmd code 3Bh)
E2=1, E1=1, 0016h
RO
1. Only ST25DV04KC
Table 82. BLK_SIZE
Bit
Name
b7-b0
BLK_SIZE
Note:
Function
Factory value
RF user memory block size
03h
Refer to Table 13. System configuration memory map for the BLK_SIZE register.
Table 83. IC_REF access
I2C
RF
Command
Get System Info (cmd code 2Bh)
Ext Get System Info (cmd code 3Bh)
Type
Address
RO
E2=1, E1=1, 0017h
Type
RO
Table 84. IC_REF
Bit
Name
Function
Factory value
ST25DV04KC-IE: 50h
ST25DV16KC-IE: 51h
b7-b0
IC_REF
ISO/IEC 15693 IC Reference
ST25DV64KC-IE: 51h
ST25DV04KC-JF: 50h
ST25DV16KC-JF: 51h
ST25DV64KC-JF: 51h
Note:
DS13519 - Rev 4
Refer to Table 13. System configuration memory map for the IC_REF register.
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ST25DV04KC ST25DV16KC ST25DV64KC
Device parameter registers
Table 85. UID access
I2C
RF
Command
Type
Address
Type
Inventory (cmd code 01h)
Get System Info (cmd code 2Bh)
E2=1, E1=1, 0018h
to 001Fh
RO
RO
Ext Get System Info (cmd code 3Bh)
Table 86. UID
I2C
Address
Bit
Name
Factory 2alue
Function
0018h
ISO/IEC 15693 UID byte 0 (LSB)
0019h
ISO/IEC 15693 UID byte 1
001Ah
ISO/IEC 15693 UID byte 2
001Bh
ISO/IEC 15693 UID byte 3
001Ch
ISO/IEC 15693 UID byte 4
IC manufacturer serial number
ST25DV04KC-IE: 50h
b7-b0
UID
ST25DV16KC-IE: 51h
001Dh
ISO/IEC 15693 UID byte 5: ST Product code
ST25DV64KC-IE: 51h
ST25DV04KC-JF: 52h
ST25DV16KC-JF: 53h
ST25DV64KC-JF: 53h
001Eh
ISO/IEC 15693 UID byte 6: IC Mfg code
02h
001Fh
ISO/IEC 15693 UID byte 7 (MSB)
E0h
Note:
Refer to Table 13. System configuration memory map for the UID register.
Table 87. IC_REV access
I2C
RF
Command
Type
Address
No access
E2=1, E1=1, 0020h
Type
RO
Table 88. IC_REV
Bit
Name
b7-b0
IC_REV
Note:
DS13519 - Rev 4
Function
IC revision
Factory value
Depending on revision
Refer to Table 13. System configuration memory map for the IC_REV register.
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ST25DV04KC ST25DV16KC ST25DV64KC
I²C operation
6
I²C operation
6.1
I²C protocol
The device supports the I²C protocol. This is summarized in Figure 30. I²C bus protocol. Any device that sends
data to the bus is defined as a transmitter, and any device that reads data is defined as a receiver. The device
that controls the data transfer is known as the bus master, and the other as the slave device. A data transfer can
only be initiated by the bus master, which also provides the serial clock for synchronization. The ST25DVxxKC
device is a slave in all communications.
Figure 30. I²C bus protocol
STOP
Condition
6.1.1
Start condition
Start is identified by a falling edge of serial data (SDA) while the serial clock (SCL) is stable in the high state.
A Start condition must precede any data transfer command. The device continuously monitors (except during a
write cycle) the SDA and the SCL for a Start condition, and does not respond unless one is given.
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I²C timeout
6.1.2
Stop condition
Stop is identified by a rising edge of serial data (SDA) while the serial clock (SCL) is stable and driven high.
A Stop condition terminates communication between the device and the bus master. A Read command that
is followed by NoAck can be followed by a Stop condition to force the device into the Standby mode. A Stop
condition at the end of a Write command triggers the internal write cycle.
6.1.3
Acknowledge bit (ACK)
The acknowledge bit is used to indicate a successful byte transfer. The bus transmitter, whether a bus master or a
slave device, releases the serial data (SDA) after sending eight bits of data. During the 9th clock pulse period, the
receiver pulls the SDA low to acknowledge the receipt of the eight data bits.
6.1.4
Data input
During data input, the device samples serial data (SDA) on the rising edge of the serial clock (SCL). For correct
device operation, the SDA must be stable during the rising edge of the SCL, and the SDA signal must change
only when the SCL is driven low.
6.2
I²C timeout
During the execution of an I²C operation, RF communications are not possible.
To prevent RF communication freezing due to inadvertent indeterminate instructions sent to the I²C bus, the
ST25DVxxKC features a timeout mechanism that automatically resets the I²C logic block.
6.2.1
I2C timeout on Start condition
I2C communication with the ST25DVxxx starts with a valid Start condition, followed by a device select code.
If the delay between the Start condition and the following rising edge of the serial clock (SCL) that samples the
most significant of the device select exceeds the tSTART_OUT time (see Table 249. I²C DC characteristics up to
85 °C and Table 250. I2C DC characteristics up to 125 °C), the I²C logic block is reset and further incoming data
transfer is ignored until the next valid Start condition.
Figure 31. I²C timeout on Start condition
SCL
SDA
tSTART_OUT
Start
condition
6.2.2
I2C timeout on clock period
During data transfer on the I2C bus, if the serial clock pulse width high (tCHCL) or serial clock pulse width low
(tCLCH) exceeds the maximum value specified in Table 251. I2C AC characteristics up to 85 °C and Table 252. I2C
AC characteristics up to 125 °C, the I2C logic block is reset and any further incoming data transfer is ignored until
the next valid Start condition.
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ST25DV04KC ST25DV16KC ST25DV64KC
Device addressing
6.3
Device addressing
To start a communication between the bus master and the slave device, the bus master must initiate a Start
condition. Following this, the bus master sends the device select code, shown in Section B.1 Device select
codes (on serial data (SDA), the most significant bit first).
The device select code consists of a 4-bit device type identifier (I2C_DEVICE_CODE) and a 3-bit Chip Enable
“Address” (E2, E1, E0). Chip Enable bits E2 and E1 are used to select ST25DVxxKC memory to address (user or
system) and to send special I2C "RFSwitchOff"and I2C "RFSwitchOn" commands.
The eighth bit is the Read/Write bit (RW). It is set to 1 for read and to 0 for write operations. Refer to the table
below.
Table 89. Device select code
E2
E1
E0
R/notW
Bit 3
Bit 2
Bit 1
Bit 0
0
1
1
1
I2C RFSwitchOn
0
0
I2C RFSwitchOff
1
0
ST25DvxxKC function
I2C device type identifier
Bit 7
Bit 6
Bit 5
Bit 4
User memory
System memory
I2C_DEVICE_CODE[3:0]
1/0
I2C_E0
1/0
0
0
The 4-bit device type identifier and the chip enable bit E0 are configurable through the I2C_CFG static register.
Table 90. I2C_CFG access
RF
Command
I2C
Type
No access
Address
E2=1, E1=1, 000Eh
Type
R always, W if I2C security session is open
Table 91. I2C_CFG
Note:
Bit
Name
b3-b0
I2C_DEVICE_CODE
b4
I2C_E0
b5
I2C_RF_SWITCHOFF_EN
b7-b6
RFU
Function
Device code (bits [7:4]) of I2C slave address
E0 bit (bit 1) of I2C slave address
Factory value
1010b
1b
0: I2C cannot switch off/on RF with I2C « RFSwitchOff/On » commands.
1: I2C can switch off/on RF with i2C « RFSwitchOfff/On » commands
-
0b
00b
Refer to Table 13. System configuration memory map for the UID register.
Change in I2C_CFG command is immediate after STOP condition of the I2C write to this register. Next I2C
accesses shall use the new value of I2C_DEVICE_CODE and I2C_E0 to address the ST25DVxxKC.
If a match occurs on the device select code, the corresponding device gives an acknowledgment on serial data
(SDA) during the ninth bit time. If the device does not match the device select code, it deselects itself from the
bus, and goes into Standby mode.
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I²C Write operations
Table 92. Operating modes
Mode
RW bit
Current address read
Random address read
6.4
1
Bytes
Initial sequence
1
0
Start, device select, RW = 1
Start, device select, RW = 0, address
1
1
reStart, device select, RW = 1
Sequential read
1
≥1
Similar to current or random address read
Byte write
0
1
Start, device select, RW = 0
Sequential write
0
≤ 256 bytes
Start, device select, RW = 0
I²C Write operations
Following a Start condition, the bus master sends a device select code with the Read/Write bit (RW) reset to 0.
The device acknowledges this, and waits for two address bytes. The device responds to each address byte with
an acknowledge bit, and then waits for the data byte.
Each data byte in the memory has a 16-bit (two-byte wide) address. The most significant byte (see
Table 93. Address most significant byte) is sent first, followed by the least significant byte (see Table 94. Address
least significant byte). Bits b15 to b0 form the address of the byte in memory.
Table 93. Address most significant byte
b15
b14
b13
b12
b11
b10
b9
b8
Table 94. Address least significant byte
b7
b6
b5
b4
b3
b2
b1
b0
When the bus master generates a Stop condition immediately after the Ack bit (in the tenth-bit time slot), either at
the end of a byte write or a sequential write, the internal write cycle is triggered. A Stop condition at any other time
slot does not trigger the internal write cycle.
After the Stop condition, the delay tW, and the successful completion of a Write operation, the device’s internal
address counter is incremented automatically, to point to the next byte address after the last one that was
modified.
After an unsuccessful write operation, ST25DVxxKC enters in I²C dead state: internal address counter is not
incremented, and is waiting for a full new I²C instruction (address counter stops to be incremented after the first
NoAck bit).
During the internal write cycle, the serial data (SDA) signal is disabled internally, and the device does not respond
to any requests.
Caution:
I²C Writing data in user memory (EEPROM), transit via the 256 bytes fast transfer mode's buffer. Consequently
fast transfer mode must be deactivated before starting any write operation in user memory, otherwise the
command is NotACK, the programming is not done and device goes in standby mode.
6.4.1
I2C Byte write
After the device select code and the address bytes, the bus master sends one data byte.
If byte write is not inhibited, the device replies with Ack.
If byte write is inhibited, the device replies with NoAck.
The bus master terminates the transfer by generating a Stop condition (see Figure 32. Write mode sequences
when write is not inhibited).
For byte write in EEPROM (user memory or system configuration), internal programming starts after the STOP
condition, for a duration of tW (as defined in Table 249. I²C DC characteristics up to 85 °C and Table 250. I2C DC
characteristics up to 125 °C).
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I²C Write operations
For writes in fast transfer mode buffer or Dynamic registers, internal programming is immediate at STOP
condition.
If byte write is inhibited, the device replies with NoAck. The bus master terminates the transfer by generating a
Stop condition and byte location not is modified (see Figure 33. Write mode sequences when write is inhibited).
Byte write is inhibited if byte complies with one of the following conditions:
•
Byte is in user memory and is write protected with LOCK_CCFILE register.
6.4.2
•
•
•
Byte is in user memory and is write protected with I2CSS register, and I2C security session is closed.
Byte is in user memory and fast transfer mode is activated.
Byte is in system memory and is a Read Only register.
•
•
•
•
•
Byte is in system memory and I2C security session is closed.
Byte is in fast transfer mode’s mailbox and is not the first Byte of mailbox.
Byte is in fast transfer mode’s mailbox and mailbox is busy.
Byte is in fast transfer mode’s mailbox and fast transfer mode is not activated.
Byte is in dynamic registers area and is a Read Only register.
I2C Sequential write
The I2C sequential write allows up to 256 bytes to be written in one command, provided they are all located in the
same user memory area and are all located in writable addresses.
After each byte is transferred, the internal byte address counter is incremented.
For each byte sent by the bus master:
•
If byte write is not inhibited, the device replies with Ack.
•
If byte write is inhibited, the device replies with NoAck.
The transfer is terminated by the bus master generating a Stop condition:
•
For writes in EEPROM (user memory or system configuration), if all bytes have been Ack'ed, internal
programming of all bytes starts after the stop condition, for a duration dependent on the number of bytes to
write (see below).
•
For writes in fast transfer mode buffer or Dynamic registers, if all bytes have been Ack'ed, internal
programming is done immediately after the stop condition.
•
If some bytes have been NotAck’ed, no internal programming is done (0 byte written).
Byte write is inhibited if byte complies with conditions described in Section 6.4.1 I2C Byte write, in addition:
•
Byte is in user memory but does not belong to same area than previous received byte (area border crossing
is forbidden).
•
256 write occurrence have already been reached in the same sequential write.
•
More than one byte is trying to be written in system area.
Seen from I2C, user memory is internally organized as rows of 16 bytes. Data located in the same row all share
the same most significant memory address bits b16-b14.
I2C sequential write programming time in the EEPROM memory is dependent on this internal organization: total
programming time is the I2C write time tW (as defined in Table 249. I²C DC characteristics up to 85 °C and
Table 250. I2C DC characteristics up to 125 °C) multiplied by the number of internal EEPROM pages where the
data must be programmed, including incomplete pages.
This means an I2C sequential write allows from 1 up to 16 bytes to be programmed in EEPROM in tW, provided
that they all share the same most significant memory address bits b16-b4.
For example, a successful I2C sequential write of 40 Bytes, starting at address 0010h, has a programming time
(starting after STOP condition) of 3 x tW. An I2C sequential write of 40 Bytes, starting at address 0008h, has a
programming time of 4 x tW.
DS13519 - Rev 4
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I²C Write operations
Figure 32. Write mode sequences when write is not inhibited
ACK
Start
Dev Select
Byte address
ACK
Data in
ACK
Byte address
ACK
ACK
Data in N
Data in 2
Data in 1
ACK
Stop
Byte address
Dev Select
Start
Note:
Byte address
ACK
R/W
ACK
Sequential
Write
ACK
Stop
Byte
Write
ACK
R/W
N ≤ 256
Figure 33. Write mode sequences when write is inhibited
ACK
Byte
Write
Byte address
Start
Dev select
Data in
ACK
Byte address
ACK
Byte address
NO ACK
Data in 1
Data in 2
R/W
NO ACK
NO ACK
Data in N
Stop
Sequential
Write(cont'd)
Byte address
NO ACK
R/W
ACK
Sequential
Write
ACK
Stop
Start
Dev select
ACK
Note:
N ≤ 256
6.4.3
Minimizing system delays by polling on ACK
During the internal write cycle, the device disconnects itself from the bus, and writes a copy of the data from
its internal latches to the memory cells. The maximum I²C write time (tw) is shown in Table 251. I2C AC
characteristics up to 85 °C and Table 252. I2C AC characteristics up to 125 °C, but the typical time is shorter. To
make use of this, a polling sequence can be used by the bus master.
The sequence, as shown in Figure 34. Write cycle polling flowchart using ACK is:
•
Initial condition: a write cycle is in progress.
•
Step 1: the bus master issues a Start condition followed by a device select code (the first byte of the new
instruction).
•
Step 2: if the device is busy with the internal write cycle, no Ack is returned and the bus master goes back
to Step 1. If the device has terminated the internal write cycle, it responds with an Ack, indicating that the
device is ready to receive the second part of the instruction (the first byte of this instruction having been sent
during Step 1).
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ST25DV04KC ST25DV16KC ST25DV64KC
I²C read operations
Note:
There is no need of polling when writing in dynamic registers or in mailbox, since programming time is null.
Figure 34. Write cycle polling flowchart using ACK
Write cycle
in progress
Start condition
Device select
with RW = 0
NO
ACK
returned
YES
First byte of instruction
with RW = 0 already
decoded by the device
NO
Next
Operation is
addressing the
memory
YES
Send Address
and Receive ACK
Stop
NO
6.5
StartCondition
YES
Data for the
Write operation
Device select
with RW = 1
Continue the
Write operation
Continue the
Random Read operation
I²C read operations
Read operation in user memory is performed successfully only if:
•
Area to which the byte belongs is not read protected by the I2CSS register.
•
Area to which the byte belongs is read protected by the I2CSS register, but I²C security session is open.
Read operations in system memory and dynamic registers are done independently of any protection mechanism,
except I2C_PWD register which needs I²C security session to be open first.
Read operation in fast transfer mode’s mailbox is performed successfully only if fast transfer mode is activated.
If read is not successful, ST25DVxxKC releases the bus and I²C host reads byte value FFh.
After the successful completion of a read operation, the device’s internal address counter is incremented by one,
to point to the next byte address.
After an unsuccessful read operation, ST25DVxxKC enters in I²C dead state: internal address counter is not
incremented, and ST25DVxxKC is waiting for a full new I²C instruction.
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I²C read operations
6.5.1
Random address read
A dummy write is first performed to load the address into this address counter (as shown in Figure 35. Read
mode sequences) but without sending a Stop condition. Then, the bus master sends another Start condition (aka
reStart), and repeats the device select code, with the Read/Write bit (RW) set to 1. The device acknowledges this,
and outputs the contents of the addressed byte. The bus master must not acknowledge the byte, and terminates
the transfer with a Stop condition.
6.5.2
Current address read
For the Current address read operation, following a Start condition, the bus master only sends a device select
code with the Read/Write bit (RW) set to 1. The device acknowledges this, and outputs the byte addressed by
the internal address counter. The counter is then incremented. The bus master terminates the transfer with a Stop
condition, as shown in the figure below, without acknowledging the byte.
Figure 35. Read mode sequences
ACK
NO ACK
Current address read
Data out
Stop
Start
Dev sel
R/W
ACK
ACK
ACK
ACK
NO ACK
Random address read
Byte addr
Dev sel *
R/W
ACK
ACK
ACK
Data out
Stop
Byte addr
Start
Start
Dev sel *
R/W
NO ACK
Sequential current read
Data out 1
Data out N
Stop
Start
Dev sel
R/W
ACK
ACK
ACK
ACK
ACK
Sequential random read
Byte addr
R/W
ACK
Byte addr
Dev sel *
Start
Start
Dev sel *
Data out1
R/W
NO ACK
Stop
Data out N
6.5.3
Sequential read access
This operation can be used after a Current address read or a Random address read. The bus master does
acknowledge the data byte output, and sends additional clock pulses so that the device continues to output the
next byte in sequence. To terminate the stream of bytes, the bus master must not acknowledge the last byte, and
must generate a Stop condition, as shown in Figure 35. Read mode sequences.
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I²C password management
The output data comes from consecutive addresses, with the internal address counter automatically incremented
after each byte output.
Sequential read in user memory:
•
Sequential read can cross area borders. Device continue to output data bytes until the internal address
counter is reaching a non readable address (either address that don't exist or if read protected with I2C
security session closed).
•
When internal address counter reach a non readable address, device releases the SDA line and continues
to output FFh.
•
There is no roll over at the end of user memory. When internal address counter reaches end of user
memory, device continue to output bytes located in Dynamic registers area, until it reaches a non readable
address.
Sequential read in system memory:
•
There is no roll over after reaching end of system memory (ST25DVxxKC returns only FFh after last system
memory byte address).
Sequential read in dynamic registers:
•
It is possible to read sequentially dynamic register and fast transfer mode’s mailbox (contiguous I2C
addresses). There is no roll over at the end of dynamic registers area.
Sequential read in mailbox:
•
There is no roll over at the end of the mailbox (ST25DVxxKC returns only FFh after last mailbox memory
byte address).
6.5.4
Acknowledge in read mode
For all Read commands, the device waits, after each byte read, for an acknowledgement during the ninth bit time.
If the bus master does not drive serial data (SDA) low during this time, the device terminates the data transfer and
switches to its Standby mode.
6.6
I²C password management
The controls I²C security session using an I²C 64-bit password. This I²C password is managed with two I²C
dedicated commands: I²C present password and I²C write password.
6.6.1
I2C present password command description
The I2C present password command is used in I2C mode to present the password to the ST25DVxxKC. This is
used to open I2C security session or to allow I2C password modification (see Section 5.6 Data protection for
detailed explanation about password usage).
Following a Start condition, the bus master sends a device select code with the Read/ Write bit (R W ) reset to 0
and the Chip Enable bit E2 at 1 and E1 at 1. The device acknowledges this, as shown in Figure 36. I2C Present
Password Sequence, and waits for two I2C password address bytes, 09h and 00h. The device responds to each
address byte with an acknowledge bit, and then waits for the eight password data bytes, the validation code, 09h,
and a resend of the eight password data bytes. The most significant byte of the password is sent first, followed by
the least significant bytes.
It is necessary to send the 64-bit password twice to prevent any data corruption during the sequence. If the two
64-bit passwords sent are not exactly the same, the ST25DVxxKC does not start the internal comparison.
When the bus master generates a Stop condition, immediately after the Ack bit (during the tenth bit time slot), the
ST25DVxxKC compares the 64 received data bits with the 64 bits of the stored I2C password. If the values match,
the I2C security session is open, and the I2C_SSO_Dyn register is set to 01h. If the values do not match, the I2C
security session is closed and I2C_SSO_dyn register is set to 00h.
I2C_SSO_Dyn is a Dynamic register, it can be checked via I2C host to know If I2C security session is open.
DS13519 - Rev 4
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ST25DV04KC ST25DV16KC ST25DV64KC
I²C password management
Figure 36. I2C Present Password Sequence
Start
Ack
Password
Address 09h
R/W
Ack
Ack
Password
[63:56]
Validation
code 09h
Ack
Ack
Password
[63:56]
Password
Address 00h
Ack
Ack
Password
[47:40]
Password
[55:48]
Ack
Password
[55:48]
Ack
Password
[47:40]
Ack
Password
[39:32]
Ack
Ack
Password
[39:32]
Password
[31:24]
Ack
Ack
Password
[23:16]
Password
[31:24]
Ack
Password
[15:08]
Ack
Password
[7:0]
Password
[15:8]
Ack
Password
[7:0]
Ack generated during 9th bit time slot.
6.6.2
Ack
Ack
Password
[23:16]
Stop
Ack
Device
select code
I2C write password command description
The I2C write password command is used to update the I2C password value (register I2C_PWD). It cannot be
used to update any of the RF passwords. After the write cycle, the new I2C password value is automatically
activated. The I2C password value can only be modified after issuing a valid I2C present password command.
Following a Start condition, the bus master sends a device select code with the Read/Write bit (RW) reset to 0
and the Chip Enable bit E2 at 1 and E1 at 1. The device acknowledges this, as shown in Figure 37. I2C Write
Password Sequence, and waits for the two I2C password address bytes, 09h and 00h. The device responds
to each address byte with an acknowledge bit, and then waits for the four password data bytes, the validation
code, 07h, and a resend of the eight password data bytes. The most significant byte of the password is sent first,
followed by the least significant bytes.
It is necessary to send twice the 64-bit password to prevent any data corruption during the write sequence. If the
two 64-bit passwords sent are not exactly the same, the ST25DVxxKC does not modify the I2C password value.
When the bus master generates a Stop condition immediately after the Ack bit (during the tenth bit time slot), the
internal write cycle is triggered. A Stop condition at any other time does not trigger the internal write cycle.
During the internal write cycle, the serial data (SDA) signal is disabled internally, and the device does not respond
to any requests.
Caution:
I2C write password command data transits via the 256-byte fast transfer mode's buffer. Consequently fast
transfer mode must be deactivated before issuing a write password command, otherwise command is NotACK
(after address LSB), and programming is not done and device goes in standby mode.
Figure 37. I2C Write Password Sequence
Ack
Validation
code 07h
Password
Address 09h
Ack
Password
[63:56]
Password
Address 00h
Ack
Password
[55:48]
Ack
Password
[47:40]
Ack
Ack
Ack
Password
[31:24]
Password
[39:32]
Password
[23:16]
Password
[15:08]
Ack
Ack
Password
[7:0]
R/W
Ack
Password
[63:56]
Ack
Ack
Password
[55:48]
Password
[47:40]
Ack generated during 9th bit time slot.
DS13519 - Rev 4
Ack
Ack
Password
[39:32]
Ack
Password
[31:24]
Ack
Ack
Password
[23:16]
Password
[15:08]
Ack
Ack
Password
[7:0]
Stop
Start
Device
select code
Ack
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ST25DV04KC ST25DV16KC ST25DV64KC
RF operations
7
RF operations
Contactless exchanges are performed in RF mode as specified by ISO/IEC 15693 or NFC Forum Type 5.
The ST25DVxxKC communicates via the 13.56 MHz carrier electromagnetic wave on which incoming data are
demodulated from the received signal amplitude modulation (ASK: amplitude shift keying). The received ASK
wave is 10% or 100% modulated with a data rate of 1.6 kbit/s using the 1/256 pulse coding mode or a data rate of
26 kbit/s using the 1/4 pulse coding mode.
Outgoing data are generated by the ST25DVxxKC load variation using Manchester coding with one or two
subcarrier frequencies at 423 kHz and 484 kHz. Data are transferred from the ST25DVxxKC at 6.6 kbit/s in low
data rate mode and 26 kbit/s in high data rate mode. The ST25DVxxKC supports the 53 kbit/s in high data rate
mode in one subcarrier frequency at 423 kHz.
The ST25DVxxKC follows ISO/IEC 15693 or NFC Forum Type 5 recommendation for radio-frequency power and
signal interface and for anticollision and transmission protocol.
7.1
RF communication
7.1.1
Access to a ISO/IEC 15693 device
The dialog between the “RF reader” and the ST25DVxxKC takes place as follows:
These operations use the RF power transfer and communication signal interface described below (see Power
transfer, Frequency and Operating field). This technique is called RTF (Reader talk first).
•
activation of the ST25DVxxKC by the RF operating field of the reader,
•
transmission of a command by the reader (ST25DVxxKC detects carrier amplitude modulation)
•
transmission of a response by the ST25DVxxKC (ST25DVxxKC modulates is load clocked at subcarrier
rate)
Operating field
The ST25DVxxKC operates continuously between the minimum and maximum values of the electromagnetic field
H defined in Table 256. RF characteristics. The Reader has to generate a field within these limits.
Power transfer
Power is transferred to the ST25DVxxKC by radio frequency at 13.56 MHz via coupling antennas in the
ST25DVxxKC and the Reader. The RF operating field of the reader is transformed on the ST25DVxxKC antenna
to an AC voltage which is rectified, filtered and internally regulated. During communications, the amplitude
modulation (ASK) on this received signal is demodulated by the ASK demodulator
Frequency
The ISO 15693 standard defines the carrier frequency (fC) of the operating field as 13.56 MHz ±7 kHz.
7.2
RF communication and energy harvesting
As the current consumption can affect the AC signal delivered by the antenna, RF communications with
ST25DVxxKC are not guaranteed during voltage delivery on the energy harvesting analog output V_EH.
7.3
Fast transfer mode mailbox access in RF
Thanks to dedicated commands, the RF interface has the possibility to check Mailbox availability, and the
capability to access it directly to put or get a message from it (see Section 5.1 Fast transfer mode (FTM) for
specific features).
DS13519 - Rev 4
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ST25DV04KC ST25DV16KC ST25DV64KC
RF protocol description
7.4
RF protocol description
7.4.1
Protocol description
The transmission protocol (or simply “the protocol”) defines the mechanism used to exchange instructions and
data between the VCD (Vicinity Coupling Device) and the ST25DVxxKC in both directions. It is based on the
concept of “VCD talks first”.
This means that a ST25DVxxKC does not start transmitting unless it has received and properly decoded an
instruction sent by the VCD. The protocol is based on an exchange of:
•
a request from the VCD to the ST25DVxxKC,
•
a response from the ST25DVxxKC to the VCD.
Each request and each response are contained in a frame. The frame are delimited by a Start of Frame (SOF)
and End of Frame (EOF).
The protocol is bit-oriented. The number of bits transmitted in a frame is a multiple of eight (8), that is an integer
number of bytes.
A single-byte field is transmitted least significant bit (LSBit) first. A multiple-byte field is transmitted least
significant byte (LSByte) first and each byte is transmitted least significant bit (LSBit) first.
Figure 38. ST25DVxxKC protocol timing
VCD
Request
frame
Request
frame
Response
frame
ST25DVxxKC
Timing
7.4.2
t1
Response
frame
t2
t1
t2
ST25DVxxKC states referring to RF protocol
The ST25DVxxKC can be in one of four states:
•
Power-off
•
Ready
•
Quiet
•
Selected
Transitions between these states are specified in Figure 39. ST25DVxxKC state transition diagram and
Table 95. ST25DVxxKC response depending on Request_flags.
Power-off state
The ST25DVxxKC is in the Power-off state when it does not receive enough energy from the VCD.
Ready state
The ST25DVxxKC is in the Ready state when it receives enough energy from the VCD. When in the Ready state,
the ST25DVxxKC answers any request where the Select_flag is not set.
DS13519 - Rev 4
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ST25DV04KC ST25DV16KC ST25DV64KC
RF protocol description
Quiet state
When in the Quiet state, the ST25DVxxKC answers any request with the Address_flag set, except for Inventory
requests.
Selected state
In the Selected state, the ST25DVxxKC answers any request in all modes (see Section 7.4.3 Modes):
•
Request in Select mode with the Select_flag set
•
Request in Addressed mode if the UID matches
•
Request in Non-Addressed mode as it is the mode for general requests
Table 95. ST25DVxxKC response depending on Request_flags
Address_flag
Flags
Select_flag
1
0
1
0
Addressed
Non addressed
Selected
Non selected
ST25DVxxKC in Ready or Selected
state (Devices in Quiet state do not
answer)
-
X
-
X
ST25DVxxKC in Selected state
-
X
X
-
ST25DVxxKC in Ready, Quiet or
Selected state (the device which
matches the UID)
X
-
-
X
Error (03h) or no response (command
dependent)
X
-
X
-
Figure 39. ST25DVxxKC state transition diagram
Power off
Out of field
after tRF_OFF
Ready
Inventory
)
ID
t(U
ad
y
uie
re
o
tt
ay
q
St
Re
se
1.
Out of RF field
after tRF_OFF
Select (UID)
Stay quiet(UID)
Any other command where the
Address_Flag is set AND where
the Inventory_Flag is not set
Any other command
where Select_Flag
is not set
)
e
ID
er
(U
wh or
ct
y et )
le
ad s
Se
re g is UID
o
t t Fla (#
se t_ ith
Re elec ct w
S ele
S
Out of RF field
after tRF_OFF
Quiet
In RF field
Selected
Any other command
The ST25DVxxKC returns to the Power Off state if the tag is out of the RF field for at least tRF_OFF.
The intention of the state transition method is that only one ST25DVxxKC should be in the Selected state at a
time.
DS13519 - Rev 4
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ST25DV04KC ST25DV16KC ST25DV64KC
RF protocol description
When the Select_flag is set to 1, the request shall NOT contain a unique ID.
When the address_flag is set to 0, the request shall NOT contain a unique ID.
7.4.3
Modes
The term “mode” refers to the mechanism used in a request to specify the set of ST25DVxxKC devices that shall
execute the request.
Addressed mode
When the Address_flag is set to 1 (Addressed mode), the request contains the Unique ID (UID) of the addressed
ST25DVxxKC.
Any ST25DVxxKC that receives a request with the Address_flag set to 1 compares the received Unique ID to its
own. If it matches, then the ST25DVxxKC executes the request (if possible) and returns a response to the VCD
as specified in the command description.
If the UID does not match, then it remains silent.
Non-addressed mode (general request)
When the Address_flag is cleared to 0 (Non-Addressed mode), the request does not contain a Unique ID.
Select mode
When the Select_flag is set to 1 (Select mode), the request does not contain a unique ID. The ST25DVxxKC in
the Selected state that receives a request with the Select_flag set to 1 executes it and returns a response to the
VCD as specified in the command description.
Only the ST25DVxxKC in the Selected state answers a request where the Select_flag is set to 1.
The system design ensures that only one ST25DVxxKC can be in the Select state at a time.
7.4.4
Request format
The request consists of:
•
an SOF,
•
flags,
•
a command code,
•
parameters and data,
•
a CRC,
•
an EOF.
Table 96. General request format
SOF
7.4.5
Request_flags
Command code
Parameters
Data
2 byte CRC
EOF
Request flags
In a request, the “flags” field specifies the actions to be performed by the ST25DVxxKC and whether
corresponding fields are present or not.
The flags field consists of eight bits. Bit 3 (Inventory_flag) of the request flag defines the contents of the four
MSBs (bits 5 to 8). When bit 3 is reset (0), bits 5 to 8 define the ST25DVxxKC selection criteria. When bit 3 is set
(1), bits 5 to 8 define the ST25DVxxKC Inventory parameters.
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ST25DV04KC ST25DV16KC ST25DV64KC
RF protocol description
Table 97. Definition of request flags 1 to 4
Bit No
Flag
Level
Description
0
A single subcarrier frequency is used by the ST25DVxxKC
1
Two subcarriers are used by the ST25DVxxKC
0
Low data rate is used
1
High data rate is used
0
The meaning of flags 5 to 8 is described in Table 98
1
The meaning of flags 5 to 8 is described in Table 99
Bit 1
Subcarrier_flag (1)
Bit 2
Data_rate_flag (2)
Bit 3
Inventory_flag
Bit 4
Protocol_extension 0
_flag
1
No Protocol format extension
Protocol format extension. Reserved for future use.
1. Subcarrier_flag refers to the ST25DVxxKC-to-VCD communication.
2. Data_rate_flag refers to the ST25DVxxKC-to-VCD communication.
Table 98. Request flags 5 to 8 when inventory_flag, Bit 3 = 0
Bit nb
Flag
Level
0
The request is executed by any ST25DVxxKC according to
the setting of Address_flag
1
The request is executed only by the ST25DVxxKC in Selected
state
0
The request is not addressed. UID field is not present. The
request is executed by all ST25DVxxKCs.
1
The request is addressed. UID field is present. The request is
executed only by the ST25DVxxKC whose UID matches the
UID specified in the request.
0
Option not activated.
1
Option activated.
0
-
Select flag (1)
Bit 5
Bit 6
Address flag
Bit 7
Option flag
Bit 8
RFU
Description
1. If the Select_flag is set to 1, the Address_flag is set to 0 and the UID field is not present in the request.
Table 99. Request flags 5 to 8 when inventory_flag, Bit 3 = 1
DS13519 - Rev 4
Bit nb
Flag
Bit 5
AFI flag
Bit 6
Nb_slots flag
Bit 7
Option flag
0
-
Bit 8
RFU
0
-
Level
Description
0
AFI field is not present
1
AFI field is present
0
16 slots
1
1 slot
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ST25DV04KC ST25DV16KC ST25DV64KC
RF protocol description
7.4.6
Response format
The response consists of:
•
an SOF
•
flags
•
parameters and data
•
a CRC
•
an EOF
Table 100. General response format
SOF
7.4.7
Response_flags
Parameters
Data
2 byte CRC
EOF
Response flags
In a response, the flags indicate how actions have been performed by the ST25DVxxKC and whether
corresponding fields are present or not. The response flags consist of eight bits.
Table 101. Definitions of response flags 1 to 8
Bit Nb
7.4.8
Flag
Level
Description
0
No error
1
Error detected. Error code is in the “Error” field.
ResponseBuffer
Validity_flag
0
Not supported, always set to 0
Bit 3
Final
response_flag
0
Not supported, always set to 0
Bit 4
Extension flag
0
Not supported, always set to 0
Bit 6-5
Block security
status length_flag
0
Not supported, always set to 0
Bit 7
Waiting time
extension
request_flag
0
Not supported, always set to 0
Bit 8
RFU
0
-
Bit 1
Error_flag
Bit 2
Response and error code
If the Error_flag is set by the ST25DVxxKC in the response, the Error code field is present and provides
information about the error that occurred.
Error codes not specified in Table 102 are reserved for future use.
DS13519 - Rev 4
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ST25DV04KC ST25DV16KC ST25DV64KC
Timing definition
Table 102. Response error code definition
Error code
7.5
Meaning
01h
Command is not supported.
02h
Command is not recognized (format error).
03h
The option is not supported.
0Fh
Error with no information given.
10h
The specified block is not available.
11h
The specified block is already locked and thus cannot be locked again.
12h
The specified block is locked and its contents cannot be changed.
13h
The specified block was not successfully programmed.
14h
The specified block was not successfully locked.
15h
The specified block is protected in read.
Timing definition
t1: ST25DVxxKC response delay
Upon detection of the rising edge of the EOF received from the VCD, the ST25DVxxKC waits for a t1nom time
before transmitting its response to a VCD request or switching to the next slot during an inventory process. Values
of t1 are given in Table 103. Timing values.
t2: VCD new request delay
t2 is the time after which the VCD may send an EOF to switch to the next slot when one or more ST25DVxxKC
responses have been received during an Inventory command. It starts from the reception of the EOF from the
ST25DVxxKCs.
The EOF sent by the VCD may be either 10% or 100% modulated regardless of the modulation index used for
transmitting the VCD request to the ST25DVxxKC.
t2 is also the time after which the VCD may send a new request to the ST25DVxxKC, as described in
Figure 38. ST25DVxxKC protocol timing.
Values of t2 are given in Table 103.
t3: VCD new request delay when no response is received from the ST25DVxxKC
t3 is the time after which the VCD may send an EOF to switch to the next slot when no ST25DVxxKC response
has been received.
The EOF sent by the VCD may be either 10% or 100% modulated regardless of the modulation index used for
transmitting the VCD request to the ST25DVxxKC.
From the time the VCD has generated the rising edge of an EOF:
•
If this EOF is 100% modulated, the VCD waits for a time at least equal to t3min for 100% modulation before
sending a new EOF.
•
If this EOF is 10% modulated, the VCD waits for a time at least equal to t3min for 10% modulation before
sending a new EOF.
DS13519 - Rev 4
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ST25DV04KC ST25DV16KC ST25DV64KC
Timing definition
Table 103. Timing values
Minimum (min) values
100% modulation
10% modulation
Nominal (nom) values
Maximum (max) values
t1
4320 / fc = 318.6 µs
4352 / fc = 320.9 µs
4384 / fc = 323.3 µs (1)
t2
4192 / fc = 309.2 µs
No tnom
No tmax
No tnom
No tmax
t3
t1max(2) + tSOF (3)
t1max(2) + tNRT(4) + t2min
1. VCD request is interpreted during the first milliseconds following the RF field rising.
2. t1max does not apply for write-alike requests. Timing conditions for write-alike requests are defined in the
command description.
3. tSOF is the time taken by the ST25DVxxKC to transmit an SOF to the VCD. tSOF depends on the current
data rate: High data rate or Low data rate.
4. tNRT is the nominal response time of the ST25DVxxKC. tNRT depends on VICC to ST25DVxxKC data rate
and subcarrier modulation mode.
Note:
DS13519 - Rev 4
The tolerance of specific timings is ± 32/fC.
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ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
7.6
RF commands
7.6.1
RF command code list
The ST25DVxxKC supports the following legacy and extended RF command set:
•
Inventory, used to perform the anticollision sequence.
•
Stay Quiet, used to put the ST25DVxxKC in quiet mode, where it does not respond to any inventory
command.
•
Select, used to select the ST25DVxxKC. After this command, the ST25DVxxKC processes all Read/Write
commands with Select_flag set.
•
Reset To Ready, used to put the ST25DVxxKC in the ready state.
•
Read Single Block and Extended Read Single Block, used to output the 32 bit of the selected block and
its locking status.
•
Write Single Block and Extended Write Single Block, used to write and verify the new content for an
update of a 32 bit block, provided that it is not in a locked memory area.
•
Read Multiple Blocks and Extended Read Multiple Block, used to read the selected blocks in an unique
area, and send back their value.
•
Write Multiple Blocks and Extended Write Multiple Block, used to write and verify the new content for an
update of up to 4 blocks located in the same memory area, which was not previously locked for writing.
•
Write AFI, used to write the 8-bit value in the AFI register.
•
Lock AFI, used to lock the AFI register.
•
Write DSFID, used to write the 8-bit value in the DSFID register.
•
Lock DSFID, used to lock the DSFID register.
•
Get System information and Extended Get System Information, used to provide the system information
value.
•
Get System information, used to provide the standard system information values.
•
Extended Get System Information, used to provide the extended system information values.
•
Write Password, used to update the 64-bit of the selected areas or configuration password, but only after
presenting the current one.
•
Lock Block and Extended Lock block, used to write the CC file blocks security status bits (Protect the CC
File content against writing).
•
Present Password, enables the user to present a password to open a security session.
•
Fast Read Single Block and Fast Extended Read Single Block, used to output the 32 bits of the selected
block and its locking status at doubled data rate.
•
Fast Read Multiple Blocks and Fast Extended Read Multiple Blocks, used to read the selected blocks in
a single area and send back their value at doubled data rate.
•
Read Message, used to output up to 256 byte of the Mailbox.
•
Read Message Length, used to output the Mailbox message length.
•
Fast Read Message, used to output up to 256 byte of the mailbox, at double data rate.
•
Write Message, used to write up to 256 byte in the Mailbox.
•
Fast Read Message Length, used to ouput the mailbox length, at double data rate.
•
Fast Write Message, used to write up to 256 bytes in the mailbox, with answer at double data rate.
•
Read Configuration, used to read static configuration registers.
•
Write Configuration, used to write static configuration registers.
•
Read Dynamic Configuration, used to read dynamic register.
•
Write Dynamic Configuration , used to write dynamic register.
•
Fast Read Dynamic Configuration, used to read dynamic register, at double data rate.
•
Fast Write Dynamic Configuration, used to write dynamic register, with answer at double data rate.
•
Manage GPO, used to drive GPO output value when corresponding GPO mode is enabled.
7.6.2
Command codes list
The ST25DVxxKC supports the commands described in this section. Their codes are given in Table 104.
DS13519 - Rev 4
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ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Table 104. Command codes
Command
code standard
Command
code custom
Function
Function
01h
Inventory
A0h
Read Configuration
02h
Stay Quiet
A1h
Write Configuration
20h
Read Single Block
A9h
Manage GPO
21h
Write Single Block
AAh
Write Message
22h
Lock Block
ABh
Read Message Length
23h
Read Multiple Blocks
ACh
Read Message
24h
Write Multiple Blocks
ADh
Read Dynamic Configuration
25h
Select
AEh
Write Dynamic Configuration
26h
Reset to Ready
B1h
Write Password
27h
Write AFI
B3h
Present Password
28h
Lock AFI
C0h
Fast Read Single Block
29h
Write DSFID
C3h
Fast Read Multiple Blocks
2Ah
Lock DSFID
CDh
Fast Read Dynamic configuration
2Bh
Get System Info
CEh
Fast Write Dynamic Configuration
2Ch
Get Multiple Block Security Status
-
-
30h
Extended Read Single Block
C4h
Fast Extended Read Single Block
31h
Extended Write Single Block
C5h
Fast Extended Read Multiple Block
32h
Extended Lock block
CAh
Fast Write Message
33h
Extended Read Multiple Blocks
CBh
Fast Read Message Length
34h
Extended Write Multiple Blocks
CCh
Fast Read Message
3Bh
Extended Get System Info
-
-
3Ch
Extended Get Multiple Block Security Status
-
-
7.6.3
General command rules
In case of a valid command, the following paragraphs describe the expected behaviour for each command.
But in case of an invalid command, in a general manner, the ST25DVxxKC behaves as follows:
1.
If flag usage is incorrect, the error code 03h is issued only if the right UID is used in the command, otherwise
no response is issued.
2.
The error code 02h is issued if the custom command is used with the manufacturer code different from the
ST one.
Another case is if I2C is busy. In this case, any RF command (except Inventory, Select, Stay quiet and Reset to
ready) gets 0Fh error code as response only:
•
If select flag and address flags are not set at the same time (except if ST25DVxxKC is in quiet state)
•
If select flag is set and ST25DVxxKC is in selected state.
For all other commands, if I2C is busy, no response is issued by ST25DVxxKC.
DS13519 - Rev 4
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ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
7.6.4
Inventory
Upon receiving the Inventory request, the ST25DVxxKC runs the anticollision sequence. The Inventory_flag is set
to 1. The meaning of flags 5 to 8 is shown in Table 99. Request flags 5 to 8 when inventory_flag, Bit 3 = 1.
The request contains:
•
the flags
•
the Inventory command code (001)
•
the AFI if the AFI flag is set
•
the mask length
•
the mask value if mask length is different from 0
•
the CRC
The ST25DVxxKC does not generate any answer in case of error.
Table 105. Inventory request format
Request
SOF
Request_flags
Inventory
Optional AFI
Mask length
Mask value
CRC16
Request
EOF
-
8 bits
01h
8 bits
8 bits
0 - 64 bits
16 bits
-
The response contains:
•
the flags
•
the Unique ID
Table 106. Inventory response format
Response SOF
-
Response_flags
8 bits
DSFID
8 bits
UID
64 bits
CRC16
16 bits
Response EOF
-
During an Inventory process, if the VCD does not receive an RF ST25DVxxKC response, it waits for a time t3
before sending an EOF to switch to the next slot. t3 starts from the rising edge of the request EOF sent by the
VCD.
•
If the VCD sends a 100% modulated EOF, the minimum value of t3 is:
t3min = 4384/fC (323.3µs) + tSOF
•
If the VCD sends a 10% modulated EOF, the minimum value of t3 is:
t3min = 4384/fC (323.3µs) + tNRT + t2min
where:
•
tSOF is the time required by the ST25DVxxKC to transmit an SOF to the VCD,
•
tNRT is the nominal response time of the ST25DVxxKC.
tNRT and tSOF are dependent on the ST25DVxxKC-to-VCD data rate and subcarrier modulation mode.
Note:
In case of error, no response is sent by ST25DVxxKC.
7.6.5
Stay Quiet
On receiving the Stay Quiet command, the ST25DVxxKC enters the Quiet state if no error occurs, and does NOT
send back a response. There is NO response to the Stay Quiet command even if an error occurs.
The Option_flag is not supported. The Inventory_flag must be set to 0.
When in the Quiet state:
•
the ST25DVxxKC does not process any request if the Inventory_flag is set,
•
the ST25DVxxKC processes any Addressed request.
The ST25DVxxKC exits the Quiet state when:
•
it is reset (power off),
DS13519 - Rev 4
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ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
•
•
receiving a Select request. It then goes to the Selected state,
receiving a Reset to Ready request. It then goes to the Ready state.
Table 107. Stay Quiet request format
Request SOF
Request flags
-
Stay Quiet
8 bits
02h
UID
64 bits
CRC16
Request EOF
16 bits
-
The Stay Quiet command must always be executed in Addressed mode (Select_flag is reset to 0 and
Address_flag is set to 1).
Figure 40. Stay Quiet frame exchange between VCD and ST25DVxxKC
Stay Quiet
request
SOF
VCD
EOF
ST25DVxxKC
7.6.6
Read Single Block
On receiving the Read Single Block command, the ST25DVxxKC reads the requested block and sends back its
32-bit value in the response. The Option_flag is supported, when set response include the Block Security Status.
The Inventory_flag must be set to 0.
Block number is coded on 1 Byte and only first 256 blocks of ST25DV16KC and ST25DV64KC can be addressed
using this command.
Table 108. Read Single Block request format
Request SOF
-
Request_flags
8 bits
Read Single Block
20h
UID (1)
64 bits
Block number
8 bits
CRC16
16 bits
Request EOF
-
1. This the field is optional.
Request parameters:
•
Request flags
•
UID (optional)
•
Block number
Table 109. Read Single Block response format when Error_flag is NOT set
Response SOF
-
Response_flags
8 bits
Block security status (1)
8 bits
Data
32 bits
CRC16
16 bits
Response EOF
-
1. This field is optional.
Response parameters:
•
Block security status if Option_flag is set (see Table 110. Block security status
•
Four bytes of block data
DS13519 - Rev 4
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ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Table 110. Block security status
b7
b6
b5
b4
b3
b2
b1
b0
Reserved for future use.
0: Current block not locked
All at 0.
1: Current block locked
Table 111. Read Single Block response format when Error_flag is set
Response SOF
Response_flags
-
Error code
8 bits
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set
–
03h: command option not supported
–
0Fh: error with no information
–
10h: the specified block is not available
–
15h: the specified block is read-protected
Figure 41. Read Single Block frame exchange between VCD and ST25DVxxKC
VCD
SOF
Read Single Block
request
ST25DVxxKC
7.6.7
EOF
t1
SOF
Read Single Block
response
EOF
Extended Read Single Block
On receiving the Extended Read Single Block command, the ST25DVxxKC reads the requested block and sends
back its 32-bit value in the response.
When the Option_flag is set, the response includes the Block Security Status.
Block number is coded on 2 Bytes so all memory blocks of ST25DV16KC and ST25DV64KC can be addressed
using this command.
Table 112. Extended Read Single Block request format
Request SOF
-
Request_flags
8 bits
Extended Read Single Block
30h
UID (1)
64 bits
Block number
16 bits
CRC16
16 bits
Request EOF
-
1. This field is optional.
Request parameters:
•
Request flags
•
UID (optional)
•
Block number (from LSB byte to MSB byte)
DS13519 - Rev 4
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ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Table 113. Extended Read Single Block response format when Error_flag is NOT set
Response SOF
-
Block security status (1)
Response_flags
8 bits
Data
8 bits
32 bits
CRC16
Response EOF
16 bits
-
1. This field is optional.
Response parameters:
•
Block security status if Option_flag is set (see Table 114)
•
Four bytes of block data
Table 114. Block security status
b7
b6
b5
b4
b3
b2
b1
b0
Reserved for future use.
0: Current block not locked
All at 0.
1: Current block locked
Table 115. Extended Read Single Block response format when Error_flag is set
Response SOF
Response_flags
-
Error code
8 bits
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set
–
03h: command option not supported or no response
–
0Fh: error with no information
–
10h: the specified block is not available
–
15h: the specified block is read-protected
Figure 42. Extended Read Single Block frame exchange between VCD and ST25DVxxKC
VCD
SOF
ST25DVxxKC
7.6.8
Extended Read
Single Block
request
EOF
t1
SOF
Extended Read
Single Block
response
EOF
Write Single Block
On receiving the Write Single Block command, the ST25DVxxKC writes the data contained in the request to the
targeted block and reports whether the write operation was successful in the response. When the Option_flag is
set, wait for EOF to respond. The Inventory_flag must be set to 0.
During the RF write cycle Wt, there should be no modulation (neither 100% nor 10%), otherwise the
ST25DVxxKC may not program correctly the data into the memory. The Wt time is equal to t1nom + N × 302
µs (N is an integer).
Block number is coded on 1 Byte and only first 256 blocks of ST25DV16KC and ST25DV64KC can be addressed
using this command.
DS13519 - Rev 4
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ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Table 116. Write Single Block request format
Request SOF
-
Request_flags
8 bits
Write Single Block
21h
UID (1)
64 bits
Block number
8 bits
Data
CRC16
32 bits
16 bits
Request EOF
-
1. This field is optional.
Request parameters:
•
Request flags
•
UID (optional)
•
Block number
•
Data
Table 117. Write Single Block response format when Error_flag is NOT set
Response SOF
Response_flags
-
CRC16
8 bits
Response EOF
16 bits
-
Response parameter:
•
No parameter. The response is sent back after the writing cycle.
Table 118. Write Single Block response format when Error_flag is set
Response SOF
Response_flags
-
Error code
8 bits
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set
–
03h: command option not supported
–
0Fh: error with no information given
–
10h: the specified block is not available
–
12h: the specified block is locked or protected and its contents cannot be changed
–
13h: the specified block was not successfully programmed
Note:
For more details, see Figure 9. Memory organization.
Figure 43. Write Single Block frame exchange between VCD and ST25DVxxKC
VCD
ST25DVxxKC
ST25DVxxKC
DS13519 - Rev 4
SOF
Write Single
Block request
EOF
t1
SOF
Write Single
Block response
Wt
EOF
SOF
Write sequence
when error
Write Single
Block response
EOF
page 91/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
7.6.9
Extended Write Single Block
On receiving the Extended Write Single command, the ST25DVxxKC writes the data contained in the request to
the targeted block and reports whether the write operation was successful in the response. When the Option_flag
is set, wait for EOF to respond.
The Inventory_flag must be set to 0.
During the RF write cycle Wt, there should be no modulation (neither 100% nor 10%), otherwise the
ST25DVxxKC may not program correctly the data into the memory. The Wt time is equal to t1nom + N × 302
µs (N is an integer).
Block number is coded on 1 Byte and only first 256 blocks of ST25DV16KC and ST25DV64KC can be addressed
using this command.
Table 119. Extended Write Single request format
Request SOF
Request_flags
Extended Write Single Block
UID (1) Block number
-
8 bits
31h
64 bits 16 bits
Data
CRC16 Request EOF
32 bits 16 bits
-
1. This field is optional.
Request parameters:
•
Request flags
•
UID (optional)
•
Block number (from LSB byte to MSB byte)
•
Data (from LSB byte to MSB byte)
Table 120. Extended Write Single response format when Error_flag is NOT set
Response SOF
Response_flags
-
CRC16
8 bits
Response EOF
16 bits
-
Response parameter:
•
No parameter. The response is sent back after the writing cycle.
Table 121. Extended Write Single response format when Error_flag is set
Response SOF
-
Response_flags
8 bits
Error code
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set:
–
03h: command option not supported
–
0Fh: error with no information given
–
10h: the specified block is not available
–
12h: the specified block is locked and its contents cannot be changed
–
13h: the specified block was not successfully programmed
DS13519 - Rev 4
page 92/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Figure 44. Extended Write Single frame exchange between VCD and ST25DVxxKC
SOF
VCD
Extended Write
Single request
EOF
t1
ST25DVxxKC
SOF
Wt
ST25DVxxKC
7.6.10
Extended Write
Single response
Write sequence
when error
EOF
SOF
Extended Write
Single response
EOF
Lock Block
On receiving the Lock block request, the ST25DVxxKC locks the single block value permanently and protects its
content against new writing.
This command is only applicable for the blocks 0 and 1 which may include a CC file.
For a global protection of a area, update accordingly the RFAiSS bits in the system area. The Option_flag is
supported, when set wait for EOF to respond.
The Inventory_flag must be set to 0.
During the RF write cycle Wt, there should be no modulation (neither 100% nor 10%), otherwise the
ST25DVxxKC may not lock correctly the single block value in memory. The Wt time is equal to t1nom + N ×
302 µs (N is an integer).
Table 122. Lock block request format
Request SOF
-
Request_flags
Lock block
8 bits
22h
UID (1)
block number
64 bits
CR7C16
8 bits
Request EOF
16 bits
-
1. This field is optional.
Request parameter:
•
Request Flags
•
UID (optional)
•
Only block numbers 0 and 1 are allowed to protect the CCFile in case of NDEF (from LSB byte to MSB byte)
Table 123. Lock block response format when Error_flag is NOT set
Response SOF
Response_flags
-
CRC16
8 bits
Response EOF
16 bits
-
Response parameter:
•
No parameter
Table 124. Lock block response format when Error_flag is set
Response SOF
-
DS13519 - Rev 4
Response_flags
8 bits
Error code
8 bits
CRC16
16 bits
Response EOF
-
page 93/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Response parameter:
•
Error code as Error_flag is set
–
03h: command option not supported
–
10h: block not available
–
11h: the specified block is already locked and thus cannot be locked again
–
14h: the specified block was not successfully locked
Figure 45. Lock Block frame exchange between VCD and ST25DVxxKC
SOF
VCD
Lock Block
request
EOF
t1
ST25DVxxKC
Wt
ST25DVxxKC
7.6.11
Lock Block
response
SOF
EOF
SOF
Lock sequence
when error
Lock Block
response
EOF
Extended Lock block
On receiving the extended Lock block request, the ST25DVxxKC locks the single block value permanently and
protects its content against new writing.
This command is only applicable for the blocks 0 and 1 which may include a CC file.
For a global protection of a area, update accordingly the AiSS bits in the system area. When the Option_flag is
set, wait for EOF to respond.
The Inventory_flag must be set to 0.
During the RF write cycle Wt, there should be no modulation (neither 100% nor 10%), otherwise the
ST25DVxxKC may not lock correctly the single block value in memory. The Wt time is equal to t1nom + N ×
302 µs (N is an integer).
Table 125. Extended Lock block request format
Request SOF
-
Request_flags
8 bits
Extended Lock block
32h
UID (1)
64 bits
block number
16 bits
CRC16
16 bits
Request EOF
-
1. The field is optional.
Request parameter:
•
Request Flags
•
UID (optional)
•
Only block numbers 0 and 1 are allowed to protect the CCFile in case of NDEF (from LSB byte to MSB byte)
Table 126. Extended Lock block response format when Error_flag is NOT set
Response SOF
-
DS13519 - Rev 4
Response_flags
8 bits
CRC16
16 bits
Response EOF
-
page 94/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Response parameter:
•
No parameter
Table 127. Extended Lock block response format when Error_flag is set
Response SOF
-
Response_flags
Error code
8 bits
CRC16
8 bits
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set
–
03h: command option not supported
–
10h: block not available
–
11h: the specified block is already locked and thus cannot be locked again
–
14h: the specified block was not successfully locked
Figure 46. Extended Lock block frame exchange between VCD and ST25DVxxKC
SOF
VCD
Extended
Lock block
request
EOF
t1
ST25DVxxKC
Wt
ST25DVxxKC
7.6.12
Extended
Lock block
response
SOF
EOF
SOF
Lock sequence
when error
Extended
Lock block
response
EOF
Read Multiple Blocks
When receiving the Read Multiple Block command, the ST25DVxxKC reads the selected blocks and sends back
their value in multiples of 32 bits in the response. The blocks are numbered from 00h to FFh in the request and
the value is minus one (–1) in the field. For example, if the “Number of blocks” field contains the value 06h, seven
blocks are read. The maximum number of blocks is fixed at 256. Read Multiple Blocks command can cross areas
borders, and returns all blocks until reaching a non readable block (block read protected or out of memory). When
the Option_flag is set, the response returns the Block Security Status.
The Inventory_flag must be set to 0.
Block number is coded on 1 Byte and only first 256 blocks of ST25DV16KC and ST25DV64KC can be addressed
using this command.
Table 128. Read Multiple Block request format
Request SOF Request_flags
-
8 bits
Read Multiple
Block
23h
UID (1)
First block
number
64 bits 8 bits
Number of blocks CRC16 Request EOF
8 bits
16 bits
-
1. The field is optional.
DS13519 - Rev 4
page 95/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Request parameters:
•
Request flags
•
UID (optional)
•
First block number
•
Number of blocks
Table 129. Read Multiple Block response format when Error_flag is NOT set
Response_
Response SOF
-
flags
Block security
status (1)
8 bits (2)
8 bits
Data
CRC16
32 bits(2)
Response EOF
16 bits
-
1. The field is optional.
2. Repeated as needed.
Response parameters:
•
Block security status if Option_flag is set (see Table 130. Block security status
•
N blocks of data
Table 130. Block security status
b7
b6
b5
b4
b3
b2
b1
b0
Reserved for future use.
0: Current block not locked
All at 0.
1: Current block locked
Table 131. Read Multiple Block response format when Error_flag is set
Response SOF
Response_flags
-
Error code
8 bits
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set:
–
03h: command option is not supported
–
0Fh: error with no information given
–
10h: the specified block is not available
–
15h: the specified block is read-protected
Figure 47. Read Multiple Block frame exchange between VCD and ST25DVxxKC
VCD
ST25DVxxKC
DS13519 - Rev 4
SOF
Read Multiple
Block request
EOF
t1
SOF
Read Multiple
Block response
EOF
page 96/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
7.6.13
Extended Read Multiple Blocks
When receiving the Extended Read multiple block command, the ST25DVxxKC reads the selected blocks and
sends back their value in multiples of 32 bits in the response. The blocks are numbered from 00h to last block of
memory in the request and the value is minus one (-1) in the field. For example, if the “Number of blocks” field
contains the value 06h, seven blocks are read. The maximum number of blocks is fixed at 2047. Extended Read
Multiple Blocks command can cross areas borders, and returns all blocks until reaching a non readable block
(block read protected or out of memory). When the Option_flag is set, the response returns the Block Security
Status.
The Inventory_flag must be set to 0.
Block number is coded on 2 Bytes so all memory blocks of ST25DV16KC and ST25DV64KC can be addressed
using this command.
Table 132. Extended Read Multiple Block request format
Request
SOF
Request_flags
Extended
Read
Multiple
Block
UID (1)
First block
number
Number of
blocks
CRC16
Request
EOF
-
8 bits
33h
64 bits
16 bits
16 bits
16 bits
-
1. This field is optional.
Request parameters:
•
Request flags
•
UID (optional)
•
First block number (from LSB byte to MSB byte)
•
Number of blocks (from LSB byte to MSB byte)
Table 133. Extended Read Multiple Block response format when Error_flag is NOT set
Response_
Response SOF
-
flags
Block security
status (1)
Data
CRC16
Response EOF
8 bits
8 bits (2)
32 bits (2)
16 bits
-
1. This field is optional.
2. Repeated as needed.
Response parameters:
•
Block security status if Option_flag is set (see Table 130)
•
N blocks of data
Table 134. Block security status
b7
b6
b5
b4
b3
b2
b1
b0
Reserved for future use.
0: Current block not locked
All at 0
1: Current block locked
Table 135. Extended Read Multiple Block response format when Error_flag is set
Response SOF
-
DS13519 - Rev 4
Response_flags
8 bits
Error code
8 bits
CRC16
16 bits
Response EOF
-
page 97/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Response parameter:
•
Error code as Error_flag is set:
–
03h: command option is not supported
–
0Fh: error with no information given
–
10h: the specified block is not available
–
15h: the specified block is read-protected
Figure 48. Extended Read Multiple Block frame exchange between VCD and ST25DVxxKC
VCD
SOF
Extended
Read Multiple
Block request
EOF
ST25DVxxKC
7.6.14
Extended
Read Multiple
Block response
SOF
t1
EOF
Write Multiple Blocks
On receiving the Write Multiple Block command, the ST25DVxxKC writes the data contained in the request to
the requested blocks, and reports whether the write operation were successful in the response. ST25DVxxKC
supports up to 4 blocks, data field must be coherent with the number of blocks to program.
The number of blocks in the request is one less than the number of blocks that the ST25DVxxKC shall write (for
instance Number of block = 2 means 3 blocks to be written).
If some blocks overlaps areas, or overlap end of user memory, the ST25DVxxKC returns an error code and
none of the blocks are programmed. When the Option_flag is set, wait for EOF to respond. During the RF write
cycle Wt, there should be no modulation (neither 100% nor 10%), otherwise the ST25DVxxKC may not program
correctly the data into the memory. The Wt time is equal to t1nom + m × 302 μs < 20 ms. (m is an integer, it is
function of Nb number of blocks to be programmed).
The Inventory_flag must be set to 0.
Block number is coded on 1 Byte and only first 256 blocks of ST25DV16KC and ST25DV64KC can be addressed
using this command.
Table 136. Write Multiple Block request format
Request
SOF
Request_flags
Write
Multiple
Block
UID (1)
First Block
number
Number of
block (2)
-
8 bits
24h
64 bits
8 bits
8 bits
Data
Block length
(3)
CRC16
Request
EOF
16 bits
-
1. This field is optional.
2. The number of blocks in the request is one less than the number of blocks that the VICC shall write.
3. Repeated as needed
Request parameters:
•
Request flags
•
UID (optional)
•
First Block number
•
Number of blocks
•
Data
DS13519 - Rev 4
page 98/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Table 137. Write Multiple Block response format when Error_flag is NOT set
Response SOF
Response_flags
-
CRC16
8 bits
Response EOF
16 bits
-
Response parameter:
•
No parameter. The response is sent back after the writing cycle.
Table 138. Write Multiple Block response format when Error_flag is set
Response SOF
-
Response_flags
Error code
8 bits
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set:
–
03h: command option is not supported
–
0Fh: error with no information given
–
10h: the specified block is not available
–
12h: the specified block is locked and its contents cannot be changed
–
13h: the specified block was not successfully programmed
Figure 49. Write Multiple Block frame exchange between VCD and ST25DVxxKC
VCD
SOF
Write Multiple
block request
ST25DVxxKC
ST25DVxxKC
7.6.15
EOF
t1
SOF
Write Multiple
block response
Wt
EOF
SOF
Write sequence
when error
Write Multiple
block response
EOF
Extended Write Multiple Blocks
On receiving the Extended Write multiple block command, the writes the data contained in the request to the
targeted blocks and reports whether the write operation were successful in the response. ST25DVxxKC supports
up to 4 blocks, data field must be coherent with number of blocks to program.
If some blocks overlaps areas, or overlap end of user memory the ST25DVxxKC returns an error code and none
of the blocks are programmed.
The number of blocks in the request is one less than the number of blocks that the ST25DVxxKC shall write (for
instance Number of block = 2 means 3 blocks to be written).
When the Option_flag is set, wait for EOF to respond. During the RF write cycle Wt, there should be no
modulation (neither 100% nor 10%), otherwise the ST25DVxxKC may not program correctly the data into the
memory. The Wt time is equal to t1nom + m × 302 μs < 20 ms (m is an integer function of Nb number of blocks to
be programmed).
The inventory_flag must be set to 0.
Block number is coded on 2 Bytes so all memory blocks of ST25DV16KC and ST25DV64KC can be addressed
using this command.
DS13519 - Rev 4
page 99/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Table 139. Extended Write Multiple Block request format
Request
SOF
-
Request_flags
Extended
Write multiple
block
UID (1)
8 bits
34h
64 bits 16 bits
First Block
number
Number of
block (2)
Data
Block
length (3)
16 bits
Request
EOF
CRC16
16 bits
-
1. This field is optional.
2. The number of blocks in the request is one less than the number of blocks that the VICC shall write.
3. Repeated as needed
Request parameters:
•
Request flags
•
UID (optional)
•
First block number (from LSB byte to MSB byte)
•
Number of block (from LSB byte to MSB byte)
•
Data (from first to last blocks, from LSB bytes to MSB bytes)
Table 140. Extended Write Multiple Block response format when Error_flag is NOT set
Response SOF
Response_flags
-
CRC16
8 bits
Response EOF
16 bits
-
Response parameter:
•
No parameter. The response is sent back after the writing cycle.
Table 141. Extended Write Multiple Block response format when Error_flag is set
Response SOF
-
Response_flags
8 bits
Error code
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set:
–
03h: command option is not supported
–
0Fh: error with no information given
–
10h: the specified block is not available
–
12h: the specified block is locked and its contents cannot be changed
–
13h: the specified block was not successfully programmed
DS13519 - Rev 4
page 100/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Figure 50. Extended Write Multiple Block frame exchange between VCD and
SOF
VCD
Extended Write
Multiple Block
request
EOF
t1
ST25DVxxKC
SOF
Wt
ST25DVxxKC
7.6.16
Extended Write
Multiple Block
response
Write sequence
when error
EOF
SOF
Extended Write
Multiple Block
response
EOF
Select
When receiving the Select command:
•
If the UID is equal to its own UID, the ST25DVxxKC enters or stays in the Selected state and sends a
response.
•
If the UID does not match its own UID, the selected ST25DVxxKC returns to the Ready state and does not
send a response.
The ST25DVxxKC answers an error code only if the UID is equal to its own UID. If not, no response is generated.
If an error occurs, the ST25DVxxKC remains in its current state.
The Option_flag is not supported, and the Inventory_flag must be set to 0.
Table 142. Select request format
Request SOF
Request_flags
-
8 bits
Select
25h
UID
64 bits
CRC16
Request EOF
16 bits
-
Request parameter:
•
UID
Table 143. Select Block response format when Error_flag is NOT set
Response SOF
Response_flags
-
CRC16
8 bits
Response EOF
16 bits
-
Response parameter:
•
No parameter
Table 144. Select response format when Error_flag is set
Response SOF
-
Response_flags
8 bits
Error code
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set:
–
03h: the option is not supported
–
0Fh: error with no information given
DS13519 - Rev 4
page 101/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Figure 51. Select frame exchange between VCD and ST25DVxxKC
VCD
SOF
Select request
EOF
t1
ST25DVxxKC
7.6.17
SOF
Select response
EOF
Reset to Ready
On receiving a Reset to Ready command, the ST25DVxxKC returns to the Ready state if no error occurs. In the
Addressed mode, the ST25DVxxKC answers an error code only if the UID is equal to its own UID. If not, no
response is generated.
The Option_flag is not supported, and the Inventory_flag must be set to 0.
Table 145. Reset to Ready request format
Request SOF
Request_flags
-
8 bits
UID (1)
Reset to Ready
26h
CRC16
64 bits
Request EOF
16 bits
-
1. This field is optional.
Request parameter:
•
UID (optional)
Table 146. Reset to Ready response format when Error_flag is NOT set
Response SOF
Response_flags
-
CRC16
8 bits
Response EOF
16 bits
-
Response parameter:
•
No parameter
Table 147. Reset to ready response format when Error_flag is set
Response SOF
-
Response_flags
8 bits
Error code
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set:
–
03h: the option is not supported
–
0Fh: error with no information given
DS13519 - Rev 4
page 102/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Figure 52. Reset to Ready frame exchange between VCD and ST25DVxxKC
VCD
SOF
Reset to Ready
request
EOF
t1
ST25DVxxKC
7.6.18
Reset to Ready
response
SOF
EOF
Write AFI
On receiving the Write AFI request, the ST25DVxxKC programs the 8-bit AFI value to its memory. When the
Option_flag is set, wait for EOF to respond.
The Inventory_flag must be set to 0.
During the RF write cycle Wt, there should be no modulation (neither 100% nor 10%), otherwise the
ST25DVxxKC may not write correctly the AFI value into the memory. The Wt time is equal to t1nom + N ×
302 µs (N is an integer).
Table 148. Write AFI request format
Request SOF
-
Request_flags
8 bits
Write AFI
27h
UID (1)
64 bits
AFI
CRC16
8 bits
16 bits
Request EOF
-
1. This field is optional.
Request parameter:
•
Request flags
•
UID (optional)
•
AFI
Table 149. Write AFI response format when Error_flag is NOT set
Response SOF
-
Response_flags
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
No parameter
Table 150. Write AFI response format when Error_flag is set
Response_
Response SOF
-
DS13519 - Rev 4
flags
8 bits
Error code
8 bits
CRC16
16 bits
Response EOF
-
page 103/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Response parameter:
•
Error code as Error_flag is set
–
03h: command option is not supported
–
0Fh: error with no information given
–
12h: the specified block is locked and its contents cannot be changed
–
13h: the specified block was not successfully programmed
Figure 53. Write AFI frame exchange between VCD and ST25DVxxKC
VCD
SOF
Write AFI
request
EOF
t1
ST25DVxxKC
Wt
ST25DVxxKC
7.6.19
Write AFI
response
SOF
Write sequence
when error
EOF
SOF
Write AFI
response
EOF
Lock AFI
On receiving the Lock AFI request, the ST25DVxxKC locks the AFI value permanently. When the Option_flag is
set, wait for EOF to respond.
The Inventory_flag must be set to 0.
During the RF write cycle Wt, there should be no modulation (neither 100% nor 10%), otherwise the
ST25DVxxKC may not lock correctly the AFI value in memory. The Wt time is equal to t1nom + N × 302 µs
(N is an integer).
Table 151. Lock AFI request format
Request SOF
Request_flags
-
8 bits
Lock AFI
28h
UID (1)
64 bits
CRC16
16 bits
Request EOF
-
1. This field is optional.
Request parameter:
•
Request Flags
•
UID (optional)
Table 152. Lock AFI response format when Error_flag is NOT set
Response SOF
-
Response_flags
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
No parameter
DS13519 - Rev 4
page 104/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Table 153. Lock AFI response format when Error_flag is set
Response SOF
Response_flags
-
Error code
8 bits
CRC16
8 bits
Response EOF
16 bits
-
Response parameter:
•
Error code as Error_flag is set
–
03h: command option is not supported
–
0Fh: error with no information given
–
11h: the specified block is already locked and thus cannot be locked again
–
14h: the specified block was not successfully locked
Figure 54. Lock AFI frame exchange between VCD and ST25DVxxKC
VCD
SOF
Lock AFI
request
EOF
t1
ST25DVxxKC
Wt
ST25DVxxKC
7.6.20
Lock AFI
response
SOF
Lock sequence
when error
EOF
SOF
Lock AFI
response
EOF
Write DSFID
On receiving the Write DSFID request, the ST25DVxxKC programs the 8-bit DSFID value to its memory. When
the Option_flag is set, wait for EOF to respond.
The Inventory_flag must be set to 0.
During the RF write cycle Wt, there should be no modulation (neither 100% nor 10%), otherwise the
ST25DVxxKC may not write correctly the DSFID value in memory. The Wt time is equal to t1nom + N × 302
µs (N is an integer).
Table 154. Write DSFID request format
Request SOF
-
Request_flags
8 bits
Write DSFID
29h
UID (1)
64 bits
DSFID
8 bits
CRC16
16 bits
Request EOF
-
1. This field is optional.
Request parameter:
•
Request flags
•
UID (optional)
•
DSFID
Table 155. Write DSFID response format when Error_flag is NOT set
Response SOF
-
DS13519 - Rev 4
Response_flags
8 bits
CRC16
16 bits
Response EOF
-
page 105/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Response parameter:
•
No parameter
Table 156. Write DSFID response format when Error_flag is set
Response SOF
Response_flags
-
Error code
8 bits
CRC16
8 bits
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set
–
03h: command option is not supported
–
0Fh: error with no information given
–
12h: the specified block is locked and its contents cannot be changed
–
13h: the specified block was not successfully programmed
Figure 55. Write DSFID frame exchange between VCD and ST25DVxxKC
VCD
Write DSFID
request
SOF
EOF
t1
ST25DVxxKC
Wt
ST25DVxxKC
7.6.21
Write DSFID
response
SOF
Write sequence
when error
EOF
SOF
Write DSFID
response
EOF
Lock DSFID
On receiving the Lock DSFID request, the ST25DVxxKC locks the DSFID value permanently. When the
Option_flag is set, wait for EOF to respond.
The Inventory_flag must be set to 0.
During the RF write cycle Wt, there should be no modulation (neither 100% nor 10%), otherwise the
ST25DVxxKC may not lock correctly the DSFID value in memory. The Wt time is equal to t1nom + N × 302
µs (N is an integer).
Table 157. Lock DSFID request format
Request SOF
-
Request_flags
8 bits
Lock DSFID
2Ah
UID (1)
64 bits
CRC16
16 bits
Request EOF
-
1. This field is optional.
Request parameter:
•
Request flags
•
UID (optional)
DS13519 - Rev 4
page 106/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Table 158. Lock DSFID response format when Error_flag is NOT set
Response SOF
Response_flags
-
CRC16
8 bits
Response EOF
16 bits
-
Response parameter:
•
No parameter.
Table 159. Lock DSFID response format when Error_flag is set
Response SOF
Response_flags
-
Error code
8 bits
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set:
–
03h: command option is not supported
–
0Fh: error with no information given
–
11h: the specified block is already locked and thus cannot be locked again
–
14h: the specified block was not successfully locked
Figure 56. Lock DSFID frame exchange between VCD and ST25DVxxKC
VCD
ST25DVxxKC
ST25DVxxKC
DS13519 - Rev 4
SOF
Lock DSFID
request
EOF
t1
Lock DSFID
response
SOF
Wt
EOF
SOF
Lock sequence
when error
Lock DSFID
response
EOF
page 107/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
7.6.22
Get System Info
When receiving the Get System Info command, the ST25DVxxKC sends back its information data in the
response.
The Option_flag is not supported. The Inventory_flag must be set to 0. The Get System Info can be issued in both
Addressed and Non Addressed modes.
Table 160. Get System Info request format
Request SOF
-
Request_flags
8 bits
UID (1)
Get System Info
2Bh
CRC16
64 bits
Request EOF
16 bits
-
1. This field is optional.
Request parameter:
•
Request flags
•
UID (optional)
Table 161. Get System Info response format Error_flag is NOT set
Device
Response
SOF
Response
flags
ST25DV16KC
ST25DV64KC -
Information
flags
0Bh
00h
ST25DV04KC
0Fh
UID DSFID AFI
64
8
8
bits bits
bits
Mem.
Size
Response
EOF
IC ref. CRC16
NA (1)
51h
037Fh
50h
16
bits
-
1. Field not present in this configuration
Response parameters:
•
Information flags set to 0Bh/0Fh. DSFID, AFI and IC reference fields are present.
•
UID code on 64 bits
•
DSFID value
•
AFI value
•
MemSize: Block size in bytes and memory size in number of blocks (only present for ST25DV04KC
configurations)
Table 162. Memory size
MSB
LSB
16
14 13
9 8
1
RFU
Block size in byte
Number of blocks
0h
03h
7Fh
•
ST25DVxxKC IC reference: the 8 bits are significant.
Table 163. Get System Info response format when Error_flag is set
Response SOF
-
DS13519 - Rev 4
Response_flags
01h
Error code
8 bits
CRC16
16 bits
Response EOF
-
page 108/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Response parameter:
•
Error code as Error_flag is set:
–
03h: Option not supported
–
0Fh: error with no information given
Figure 57. Get System Info frame exchange between VCD and ST25DVxxKC
VCD
Get System info
request
SOF
EOF
t1
ST25DVxxKC
7.6.23
SOF
Get System info
response
EOF
Extended Get System Info
When receiving the Extended Get System Info command, the ST25DVxxKC sends back its information data in the
response.
The Option_flag is not supported. The Inventory_flag must be set to 0. The Extended Get System Info can be
issued in both Addressed and Non Addressed modes.
Table 164. Extended Get System Info request format
Request SOF
Request_flags
Extended Get System Info
Parameter request field
UID (1) CRC16 Request EOF
-
8 bits
0xx1xxxxb
8 bits
64 bits 16 bits
-
1. This field is optional.
•
•
•
DS13519 - Rev 4
Request flags
Request parameters
UID (optional)
page 109/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Table 165. Parameter request list
Bit
Flag name
b1
DSFID
b2
AFI
b3
VICC memory size
b4
IC reference
b5
MOI
b6
VICC Command list
b7
CSI Information
Extended Get System
b8
Info parameter Field
Value
Description
0
No request of DSFID
1
Request of DSFID
0
No request of AFI
1
Request of AFI
0
No request of data field on VICC memory size
1
Request of data field on VICC memory size
0
No request of Information on IC reference
1
Request of Information on IC reference
1
Information on MOI always returned in response flag
0
No request of Data field of all supported commands
1
Request of Data field of all supported commands
0
No request of CSI list
1
Request of CSI list
One byte length of Extended Get System
0
Info parameter field
Table 166. Extended Get System Info response format when Error_flag is NOT set
Response
SOF
-
Response_flags
00h
Information
flags
8 bits(1)
UID
DSFID (1) (2) AFI (1) (2)
64 bits 8 bits
8 bits
Other Field (1)
(2)
up to 64 bits (3)
Response
EOF
CRC16
16 bits
-
1. See Table 167. Response Information Flag .
2. This field is optional.
3. Number of bytes is function of parameter list selected.
Response parameters:
•
Information flag defining which fields are present
•
UID code on 64 bits
•
DSFID value (if requested in Parameters request field)
•
AFI value (if requested in Parameters request field)
•
Other fields:
–
VICC Memory size (if requested in Parameters request field)
–
ICRef(if requested in Parameters request field)
–
DS13519 - Rev 4
VICC Command list (if requested in Parameters request field)
page 110/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Table 167. Response Information Flag
Bit
Meaning if bit is set
b1
DSFID
b2
AFI
b3
VICC memory size
b4
IC reference
b5
MOI
b6
VICC Command list
b7
b8
Comment
0
DSFID field is not present
1
DSFID field is present
0
AFI field is not present
1
AFI field is present
0
Data field on VICC memory size is not present.
1
Data field on VICC memory size is present.
0
Information on IC reference field is not present.
1
Information on IC reference field is present
0
1 byte addressing
1
2 byte addressing
0
Data field of all supported commands is not present
1
Data field of all supported commands is present
CSI Information
0
CSI list is not present
Info flag filed
0
One byte length of Info flag field
Table 168. Response other field: ST25DVxxKC VICC memory size
MSB
LSB
24
22 21
RFU
17 16
01
Block size in byte
Number of blocks
007Fh (ST25DV04KC)
0h
03h
01FFh (ST25DV16KC)
07FFh (ST25DV64KC)
Table 169. Response other field: ST25DVxxKC IC Ref
1 byte
ICRef
50h (ST25DV04KC)
51h (ST25DV16KC)
51h (ST25DV64KC)
Table 170. Response other field: ST25DVxxKC VICC command list
MSB
LSB
32
25 24
Byte 4
00h
DS13519 - Rev 4
17 16
Byte3
3Fh
09 08
Byte 2
3Fh
01
Byte 1
FFh
page 111/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Table 171. Response other field: ST25DVxxKC VICC command list Byte 1
Bit
Meaning if bit is set
Comment
b1
Read single block is supported
-
b2
Write single block is supported
-
b3
Lock single block is supported
-
b4
Read multiple block is supported
-
b5
Write multiple block is supported
-
b6
Select is supported
including Select state
b7
Reset to Ready is supported
-
b8
Get multiple block security status is supported
-
Table 172. Response other field: ST25DVxxKC VICC command list Byte 2
Bit
Meaning if bit is set
Comment
b1
Write AFI is supported
-
b2
Lock AFI is supported
-
b3
Write DSFID is supported
-
b4
Lock DSFID is supported
-
b5
Get System Information is supported
-
b6
Custom commands are supported
-
b7
RFU
0 shall be returned
b8
RFU
0 shall be returned
Table 173. Response other field: ST25DVxxKC VICC command list Byte 3
Bit
DS13519 - Rev 4
Meaning if bit is set
Comment
b1
Extended read single block is supported
-
b2
Extended write single block is supported
-
b3
Extended lock single block is supported
-
b4
Extended read multiple block is supported
-
b5
Extended write multiple block is supported
-
b6
Extended Get Multiple Security Status is supported
-
b7
RFU
0 shall be returned
b8
RFU
0 shall be returned
page 112/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Table 174. Response other field: ST25DVxxKC VICC command list Byte 4
Bit
Meaning if bit is set
Comment
b1
Read Buffer is supported
It means Response Buffer is supported.
b2
Select Secure State is supported
It means VCD or Mutual authentication are supported.
b3
Final Response always includes crypto result
It means that flag b3 is set in the Final response.
b4
AuthComm crypto format is supported
-
b5
SecureComm crypto format is supported
-
b6
KeyUpdate is supported
-
b7
Challenge is supported
-
b8
If set to 1 a further byte is transmitted
0 must be returned.
Table 175. Extended Get System Info response format when Error_flag is set
Response SOF
Response_flags
-
Error code
01h
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set:
–
03h: Option not supported
–
0Fh: error with no information given
Figure 58. Extended Get System Info frame exchange between VCD and ST25DVxxKC
VCD
SOF
Extended Get
System Info
request
ST25DVxxKC
7.6.24
EOF
t1
SOF
Extended Get
System Info
response
EOF
Get Multiple Block Security Status
When receiving the Get Multiple Block Security Status command, the sends back its security status for each
address block: 0 when block is writable else 1 when block is locked for writing. The blocks security status are
defined by the area security status (and by LCK_CCFILE register for blocks 0 and 1). The blocks are numbered
from 00h up to the maximum memory block number in the request, and the value is minus one (–1) in the field.
For example, a value of “06”, in the “Number of blocks” field requests, returns the security status of seven blocks.
This command does not respond an error if number of blocks overlap areas or overlap the end of the user
memory.
The number of blocks is coded on 1 Byte and only first 256 blocks of ST25DV16KC and ST25DV64KC can be
addressed using this command.
The Option_flag is not supported. The Inventory_flag must be set to 0.
DS13519 - Rev 4
page 113/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Table 176. Get Multiple Block Security Status request format
Request SOF Request_flags
Get Multiple Block
UID (1)
Security Status
-
2Ch
8 bits
First block
number
Number of
blocks
64 bits 8 bits
CRC16 Request EOF
8 bits
16 bits
-
1. This field is optional.
Request parameter:
•
Request flags
•
UID (optional)
•
First block number
•
Number of blocks
Table 177. Get Multiple Block Security Status response format when Error_flag is NOT set
Response SOF
Response_flags
-
Block security status
8 bits
8 bits
(1)
CRC16
Response EOF
16 bits
-
1. Repeated as needed.
Response parameters:
•
Block security status
Table 178. Block security status
b7
b6
b5
b4
b3
b2
b1
b0
Reserved for future use
0: Current block not locked
All at 0
1: Current block locked
Table 179. Get Multiple Block Security Status response format when Error_flag is set
Response SOF
Response_flags
-
Error code
8 bits
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set:
–
03h: the option is not supported
–
0Fh: error with no information given
–
10h: the specified block is not available
Figure 59. Get Multiple Block Security Status frame exchange between VCD and
VCD
ST25DVxxKC
DS13519 - Rev 4
SOF
Get Multiple Block
Security request
status
EOF
t1
SOF
Get Multiple Block
Security response
status
EOF
page 114/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
7.6.25
Extended Get Multiple Block Security Status
When receiving the Extended Get Multiple Block Security Status command, the ST25DVxxKC sends back the
security status for each address block: 0 when the block is writable else 1 when block is locked for writing. The
block security statuses are defined by the area security status. The blocks are numbered from 00h up to the
maximum memory block number in the request, and the value is minus one (–1) in the field. For example, a value
of '06' in the “Number of blocks” field requests to return the security status of seven blocks.
This command does not respond an error if number of blocks overlap areas or overlap the end of the user
memory.
The number of blocks is coded on 2 Bytes so all memory blocks of ST25DV16KC and ST25DV64KC can be
addressed using this command.
The Option_flag is not supported. The Inventory_flag must be set to 0.
Table 180. Extended Get Multiple Block Security Status request format
Request
SOF
Request_flags
Extended
Get Multiple
Block
Security
Status
-
8 bits
3Ch
UID(1)
First block
number
Number of
blocks
CRC16
Request
EOF
64 bits
16 bits
16 bits
16 bits
-
1. This field is optional.
Request parameter:
•
Request flags
•
UID (optional)
•
First block number (from LSB byte to MSB byte)
•
Number of blocks (from LSB byte to MSB byte)
Table 181. Extended Get Multiple Block Security Status response format when Error_flags NOT set
Response SOF
-
Response_flags
Block security status
CRC16
8 bits (1)
8 bits
Response EOF
16 bits
-
1. Repeated as needed.
Response parameters:
•
Block security status
Table 182. Block security status
b7
b6
b5
b4
b3
b2
Reserved for future use
b1
b0
0: Current block not locked
All at 0
1: Current block locked
Table 183. Extended Get Multiple Block Security Status response format when Error_flag is set
Response SOF
-
DS13519 - Rev 4
Response_flags
8 bits
Error code
8 bits
CRC16
16 bits
Response EOF
-
page 115/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Response parameter:
•
Error code as Error_flag is set:
–
03h: the option is not supported
–
0Fh: error with no information given
–
10h: the specified block is not available
Figure 60. Extended Get Multiple Block Security Status frame exchange between VCD and ST25DVxxKC
VCD
ST25DVxxKC
DS13519 - Rev 4
SOF
Extended Get
Multiple Block
Security request
status
EOF
t1
SOF
Extended Get
Multiple Block
Security response
status
EOF
page 116/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
7.6.26
Read Configuration
On receiving the Read Configuration command, the ST25DVxxKC reads the static system configuration register
at the Pointer address and sends back its 8-bit value in the response.
The Option_flag is not supported. The Inventory_flag must be set to 0.
Table 184. Read Configuration request format
Request SOF
Request_flags
-
8 bits
Read Configuration
A0h
IC Mfg code
02h
UID (1)
Pointer
CRC16
64 bits
8 bits
16 bits
Request EOF
-
1. This field is optional.
Note:
Please refer to Table 13. System configuration memory map for details on register addresses.
Request parameters:
•
System configuration register pointer
•
UID (optional)
Table 185. Read Configuration response format when Error_flag is NOT set
Response SOF
Response_flags
-
Register value
8 bits
8 bits
CRC16
Response EOF
16 bits
-
Response parameters:
•
One byte of data: system configuration register
Table 186. Read Configuration response format when Error_flag is set
Response SOF
Response_flags
-
Error code
8 bits
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set
–
02h: command not recognized
–
03h: the option is not supported
–
10h: block not available
–
0Fh: error with no information given
Figure 61. Read Configuration frame exchange between VCD and ST25DVxxKC
VCD
ST25DVxxKC
DS13519 - Rev 4
SOF
Read
Configuration
request
EOF
t1
SOF
Read
Configuration
response
EOF
page 117/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
7.6.27
Write Configuration
The Write Configuration command is used to write static system configuration register. The Write Configuration
must be preceded by a valid presentation of the RF configuration password (00) to open the RF configuration
security session.
On receiving the Write Configuration command, the ST25DVxxKC writes the data contained in the request to the
system configuration register at the Pointer address and reports whether the write operation was successful in the
response or not.
When the Option_flag is set, wait for EOF to respond. The Inventory_flag is not supported.
During the RF write cycle Wt, there should be no modulation (neither 100% nor 10%), otherwise the
ST25DVxxKC may not program correctly the data into the Configuration byte. The Wt time is equal to t1nom
+ N × 302 µs (N is an integer).
Table 187. Write Configuration request format
Request
SOF
-
Request_flags
8 bits
Write
Configuration
A1h
IC Mfg
code
02h
Register
value(2)
UID (1) Pointer
64 bits 8 bits
Request
EOF
CRC16
8 bits
16 bits
-
1. This field is optional.
2. Before updating the register value, check the meaning of each bit in previous sections.
Request parameters:
•
Request flags
•
Register pointer
•
Register value
•
UID (optional)
Table 188. Write Configuration response format when Error_flag is NOT set
Response SOF
Response_flags
-
Note:
8 bits
CRC16
16 bits
Response EOF
-
Please refer to Table 13. System configuration memory map for details on register addresses.
Response parameter:
•
No parameter. The response is sent back after the writing cycle.
Table 189. Write configuration response format when Error_flag is set
Response SOF
-
Response_flags
8 bits
Error code
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set:
–
02h: command not recognized
–
03h: command option is not supported
–
0Fh: error with no information given
–
10h: block not available
–
12h: block already locked, content can't change
–
13h: the specified block was not successfully programmed
DS13519 - Rev 4
page 118/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Figure 62. Write Configuration exchange between VCD and ST25DVxxKC
SOF
VCD
Write
Configuration
request
EOF
t1
ST25DVxxKC
Write Configuration
sequence when error
EOF
Write
Configuration
response
SOF
Wt
ST25DVxxKC
7.6.28
Write
Configuration
response
SOF
EOF
Read Dynamic Configuration
On receiving the Read Dynamic Configuration command, the ST25DVxxKC reads the Dynamic register address
indicated by the pointer and sends back its 8-bit value in the response.
The Option_flag is not supported. The Inventory_flag must be set to 0.
Table 190. Read Dynamic Configuration request format
Read Dynamic
Configuration
Request SOF Request_flags
-
8 bits
ADh
IC Mfg code UID (1) Pointer address CRC16 Request EOF
02h
64 bits 8 bits
16 bits
-
1. This field is optional.
Request parameters:
•
UID (Optional)
Table 191. Read Dynamic Configuration response format when Error_flag is NOT set
Response SOF
-
Response_flags
8 bits
Data
8 bits
CRC16
16 bits
Response EOF
-
Response parameters:
•
One byte of data
Note:
Please refer to Table 13. System configuration memory mapfor details on register addresses.
Table 192. Read Dynamic Configuration response format when Error_flag is set
Response SOF
-
Response_flags
8 bits
error code
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set:
–
02h: command not recognized
–
03h: command option not supported
–
0Fh: error given with no information
–
10h: block not available
DS13519 - Rev 4
page 119/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Figure 63. Read Dynamic Configuration frame exchange between VCD and ST25DVxxKC
VCD
Read Dynamic
Configuration
request
SOF
EOF
ST25DVxxKC
7.6.29
t1
Read Dynamic
Configuration
response
SOF
EOF
Write Dynamic Configuration
On receiving the Write Dynamic Configuration command, the ST25DVxxKC updates the Dynamic register
addressed by the pointer.
The Option_flag is not supported. The Inventory_flag must be set to 0.
Table 193. Write Dynamic Configuration request format
Request
SOF
-
Request_flags
8 bits
Write Dynamic
Configuration
AEh
IC Mfg
code
02h
UID (1)
Pointer
address
64 bits 8 bits
Register
value
8 bits
Request
EOF
CRC16
16 bits
-
1. This field is optional.
Request parameters:
•
Request flags
•
UID (Optional)
•
Pointer address
•
Register value
Table 194. Write Dynamic Configuration response format when Error_flag is NOT set
Response SOF
Response_flags
-
CRC16
8 bits
Response EOF
16 bits
-
Response parameters:
•
No parameter. The response is sent back after t1.
Table 195. Write Dynamic Configuration response format when Error_flag is set
Response SOF
-
Response_flags
8 bits
error code
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set:
–
02h: command not recognized
–
03h: command option not supported
–
0Fh: error with no information given
–
10h: block not available
DS13519 - Rev 4
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ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Figure 64. Write Dynamic Configuration frame exchange between VCD and ST25DVxxKC
VCD
7.6.30
Write Dynamic
Configuration
request
SOF
EOF
ST25DVxxKC
t1
SOF
Write Dynamic
Configuration
response
EOF
Write Dynamic
Configuration sequence
when no error
ST25DVxxKC
t1
SOF
Write Dynamic
Configuration
response
EOF
Write Dynamic
Configuration sequence
when error
Manage GPO
On receiving the Manage GPO command. Depending on the command argument, the ST25DVxxKC force the
GPO output level if RF_USER interrupt is enabled, or send a pulse on GPO output if RF_INTERRUPT is enabled.
If neither RF_USER nor RF_INTERRUPT was enabled, the command is not executed and ST25DVxxKC
responds an Error code “0F”.
The IT duration is defined by IT_TIME bits 4 to 2 of GPO2 static register and occurs just after the command
response.
For the 12- pin package ST25DVxxKC version (CMOS GPO output):
•
Set means that the GPO pin is driven to a High level (VDCG).
•
Reset pulls the GPO pin to a low level (VSS).
•
The IT corresponds to a transmission of a positive pulse on the GPO pin.
For the 12 pin package ST25DVxxKC version (open drain GPO output):
•
Set means that the GPO pin is driven to a low level (VSS).
•
Reset releases the GPO (High impedance). Thanks to an external pull-up, the high level is recovered.
•
IT corresponds to the GPO pin driven to ground during the IT duration, then pin is released.
Option_flag is not supported. The Inventory_flag must be set to 0.
Table 196. Manage GPO request format
Request SOF
-
Request_ flags
8 bits
Manage GPO
A9h
IC Mfg code
02h
UID (1)
64 bits
GPO VAL(2)
8 bits
CRC16
16 bits
Request EOF
-
1. This field is optional.
2. See Table 197. GPOVAL
Table 197. GPOVAL
GPOVAL
IT
0xxxxxx0b
RF_USER enabled
Pin pull to 0
0xxxxxx1b
RF_USER enabled
Pin released (HZ)
1xxxxxxxb
RF_INTERRUPT enabled
GPO pin pulled to 0 during IT Time then released (HZ)
Any other conditions
DS13519 - Rev 4
GPO pin output
GPO released (Hz)
page 121/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Request parameters:
•
Request flag
•
UID (optional)
•
Data: Define static or dynamic Interrupt
Table 198. Manage GPO response format when Error_flag is NOT set
Response SOF
Response_flags
-
CRC16
8 bits
Response EOF
16 bits
-
Response parameter:
•
No parameter. The response is sent back after the write cycle.
Table 199. ManageGPO response format when Error_flag is set
Response SOF
-
Response_flags
8 bits
Error code
CRC16
8 bits
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set:
–
02h: command not recognized
–
13h: the specified block was not successfully programmed (this error is generated if the ManageGPO
GPOVAL value is not in line with the GPO interrupts setting as specified in Table 197. GPOVAL)
Figure 65. Manage GPO frame exchange between VCD and ST25DVxxKC
SOF
VCD
ManageGPO
request
t1
ST25DVxxKC
7.6.31
EOF
SOF
ManageGPO
response
EOF
Write Message
On receiving the Write Message command, the ST25DVxxKC puts the data contained in the request into the
Mailbox buffer, update the MB_LEN_Dyn register, and set bit RF_PUT_MSG in MB_CTRL_Dyn register. It then
reports if the write operation was successful in the response. The ST25DVxxKC Mailbox contains up to 256 data
bytes which are filled from the first location '00'. MSGlength parameter of the command is the number of Data
bytes minus - 1 (00 for 1 byte of data, FFh for 256 bytes of data). Write Message could be executed only when
Mailbox is accessible by RF (fast transfer mode is enabled, previous RF message was read or time-out occurs,
no I2C message to be read). User can check it by reading b1 of MB_CTRL_Dyn “HOST_PUT_MSG” which must
be reset to “0”. The Option_flag is not supported. (refer to Section 5.1 Fast transfer mode (FTM)).
Table 200. Write Message request format
Request
SOF
-
Request_
flags
8 bits
Write
Message
AAh
IC Mfg
code
02h
UID (1) MSGLength
64 bits 1 byte
Message
Data
(MSGLength + 1)
bytes
Request
EOF
CRC16
16 bits
-
1. This field is optional.
DS13519 - Rev 4
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ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Request parameters:
•
Request flags
•
UID (optional)
•
Message Length
•
Message Data
Table 201. Write Message response format when Error_flag is NOT set
Response SOF
Response_flags
-
CRC16
8 bits
Response EOF
16 bits
-
Response parameter:
•
No parameter. The response is sent back after the write cycle.
Table 202. Write Message response format when Error_flag is set
Response SOF
Response_flags
-
Error code
8 bits
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set:
–
02h: command not recognized
–
03h: command option not supported
–
0Fh: error with no information given
Figure 66. Write Message frame exchange between VCD and ST25DVxxKC
VCD
7.6.32
SOF
Write Message
request
EOF
ST25DVxxKC
t1
SOF
Write Message
response
EOF
ST25DVxxKC
t1
SOF
Write Message
response
EOF
Write sequence
when error
Read Message Length
On receiving the Read Message Length command, the ST25DVxxKC reads the MB_LEN_Dyn register which
contains the Mailbox message length and sends back its 8-bit value in the response.
The value of MB_LEN_Dyn returned is the (size of the message length in Bytes - 1).
The Option_flag is not supported. The Inventory_flag must be set to 0.
DS13519 - Rev 4
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ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Table 203. Read Message Length request format
Request SOF
Request_flags
-
8 bits
Read Message Length
IC Mfg code
ABh
02h
UID (1)
CRC16
64 bits
16 bits
Request EOF
-
1. The field is optional.
Request parameters:
•
UID (Optional)
Table 204. Read Message Length response format when Error_flag is NOT set
Response SOF
-
Response_flags
8 bits
Data
8 bits
CRC16
16 bits
Response EOF
-
Response parameters:
•
One byte of data: MB_LEN_Dyn register value
Table 205. Read Message Length response format when Error_flag is set
Response SOF
Response_flags
-
error code
8 bits
CRC16
8 bits
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set:
–
02h: command not recognized
–
03h: command option not supported
–
0Fh: error given with no information
Figure 67. Read Message Length frame exchange between VCD and ST25DVxxKC
VCD
ST25DVxxKC
7.6.33
SOF
Read Message
Length request
EOF
t1
SOF
Read Message
Length response
EOF
Read Message
On receiving the Read Message command, the ST25DVxxKC reads up to 256 byte in the Mailbox from the
location specified by MBpointer and sends back their value in the response. First MailBox location is '00’. When
Number of bytes is set to 00h and MBPointer is equals to 00h, the MB_LEN bytes of the full message are
returned. Otherwise, Read Message command returns (Number of Bytes + 1) bytes (i.e. 01h returns 2 bytes, FFh
returns 256 bytes).
An error is reported if (Pointer + Nb of bytes + 1) is greater than the message length. RF Reading of the last byte
of the mailbox message automatically clears b1 of MB_CTRL_Dyn “HOST_PUT_MSG”, and allows RF to put a
new message.
The Option_flag is not supported. The Inventory_flag must be set to 0.
DS13519 - Rev 4
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ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Table 206. Read Message request format
Request
SOF
-
Request_flags
8 bits
Read
Message
ACh
IC Mfg
code
02h
UID (1) MBpointer
64 bits 8 bits
Number of
Bytes
8 bits
Request
EOF
CRC16
16 bits
-
1. This field is optional.
Request parameters:
•
Request flag
•
UID (Optional)
•
Pointer (start at 00h)
•
Number of bytes is one less then the requested data
Table 207. Read Message response format when Error_flag is NOT set
Response SOF
-
Response_flags
8 bits
Mailbox content
(Number of bytes + 1) bytes
(1)
CRC16
16 bits
Response EOF
-
1. Number of message Bytes when Number of Bytes is set to 00h.
Response parameters:
•
(number of data + 1 ) data bytes
Response parameter:
•
Error code as Error_flag is set:
–
02h: command not recognized
–
03h: command option not supported
–
0Fh: error with no information given
Figure 68. Read Message frame exchange between VCD and ST25DVxxKC
VCD
SOF
ST25DVxxKC
7.6.34
Read Message
request
EOF
t1
SOF
Read Message
response
EOF
Fast Read Message
On receiving the Fast Read Message command, the ST25DVxxKC reads up to 256 byte in the Mailbox from
the location specified by MBpointer and sends back their value in the response. First MailBox location is '00’.
When Number of bytes is set to 00h and MBPointer is equals to 00h, the MB_LEN bytes of the full message are
returned. Otherwise, Fast Read Message command returns (Number of Bytes + 1) bytes (i.e. 01h returns 2 bytes,
FFh returns 256 bytes).
An error is reported if (Pointer + Nb of bytes + 1) is greater than the message length..
RF Reading of the last byte of mailbox message automatically clears b1 of MB_CTRL_Dyn “HOST_PUT_MSG”
and allows RF to put a new message.
The data rate of the response is multiplied by 2 compated to Read Message.
DS13519 - Rev 4
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ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
The subcarrier_flag should be set to 0, otherwise the ST25DVxxKC answers with an error code. The Option_flag
is not supported, and the Inventory_flag must be set to 0.
Table 208. Fast Read Message request format
Request
SOF
Request_flags
Fast Read
Message
IC Mfg
code
-
8 bits
CCh
02h
UID(1) MBpointer
64 bits
8 bits
Number of
Bytes
CRC16
Request
EOF
8 bits
16 bits
-
1. This field is optional
Request parameters:
•
Request flag
•
UID (Optional)
•
Pointer (start at 00h)
•
Number of bytes is one less than the requested data
Table 209. Fast Read Message response format when Error_flag is NOT set
Response SOF
Response_flags
-
8 bits
Mailbox content
(Number of bytes + 1)
bytes(1)
CRC16
Response EOF
16 bits
64 bits
1. Number of message Bytes when Number of Bytes is set to 00h
Response parameters:
•
(number of bytes + 1) data bytes
Response parameter:
•
Error code as Error_flag is set:
–
02h: command not recognized
–
03h: command option not supported
–
0Fh: error with no information given
Figure 69. Fast Read Message frame exchange between VCD and ST25DVxxKC
VCD
ST25DVxxKC
7.6.35
SOF
Fast Read
Message request
EOF
t1
SOF
Fast Read
Message response
EOF
Write Password
On receiving the Write Password command, the ST25DVxxKC uses the data contained in the request to write
the password and reports whether the operation was successful in the response. It is possible to modify a
Password value only after issuing a valid Present password command (of the same password number). When
the Option_flag is set, wait for EOF to respond. Refer to Section 5.6 Data protection for details on password
Management. The Inventory_flag must be set to 0.
During the RF write cycle time, Wt, there must be no modulation at all (neither 100% nor 10%), otherwise the
ST25DVxxKC may not correctly program the data into the memory.
DS13519 - Rev 4
page 126/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
The Wt time is equal to t1nom + N × 302 µs (N is an integer). After a successful write, the new value of the
selected password is automatically activated. It is not required to present the new password value until the
ST25DVxxKC power-down.
Caution:
If ST25DVxxKC is powered through VCC, removing VCC during Write Password command can abort the
command. As a consequence, before writing a new password, RF user should check if VCC is ON, by reading
EH_CTRL_Dyn register bit 3 (VCC_ON), and eventually ask host to maintain or to shut down VCC, during the
Write Password command in order to avoid password corruption.
To make the application more robust, it is recommended to use addressed or selected mode during write
password operations to get the traceability of which tags/UID have been programmed
Table 210. Write Password request format
Request
SOF
Request_flags
Write
password
IC Mfg code
UID (1)
Password
number
Data
CRC16
Request
EOF
-
8 bits
B1h
02h
64 bits
8 bits
64 bits
16 bits
-
1. This field is optional.
Request parameter:
•
Request flags
•
UID (optional)
•
Password number:
–
00h = RF configuration password RF_PWD_0,
–
01h = RF_PWD_1,
–
02h = RF_PWD_2,
–
03h = RF_PWD_3,
–
other = Error
•
Data
Table 211. Write Password response format when Error_flag is NOT set
Response SOF
Response_flags
-
CRC16
8 bits
Response EOF
16 bits
-
Response parameter:
•
no parameter.
Table 212. Write Password response format when Error_flag is set
Response SOF
-
Response_flags
8 bits
Error code
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set:
–
02h: command not recognized
–
03h: command option not supported
–
10h: the password number is incorrect
–
12h: update right not granted, Present Password command not previously executed successfully
–
13h: the specified block was not successfully programmed
DS13519 - Rev 4
page 127/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Figure 70. Write Password frame exchange between VCD and ST25DVxxKC
SOF
VCD
Write
Password
request
EOF
t1
ST25DVxxKC
Wt
ST25DVxxKC
7.6.36
Write
Password
response
SOF
EOF
SOF
Write sequence
when error
Write
Password
response
EOF
Present Password
On receiving the Present Password command, the ST25DVxxKC compares the requested password with the
data contained in the request and reports if the operation has been successful in the response. Refer to
Section 5.6 Data protection for details on password Management. After a successful command, the security
session associate to the password is open as described in Section 5.6 Data protection.
The Option_flag is not supported, and the Inventory_flag must be set to 0.
Table 213. Present Password request format
Request
SOF
-
Request_flags
8 bits
Present
Password
B3h
IC Mfg
code
02h
Password
number
UID (1)
64 bits 8 bits
Request
EOF
Password CRC16
64 bits
16 bits
-
1. This field is optional.
Request parameter:
•
Request flags
•
UID (optional)
•
Password Number:
–
00h = RF configuration password RF_PWD_0
–
01h = RF_PWD_1
–
02h = RF_PWD_2
–
03h = RF_PWD_3
–
other = Error
•
Password
Table 214. Present Password response format when Error_flag is NOT set
Response SOF
-
Response_flags
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
No parameter. The response is sent back after the write cycle.
DS13519 - Rev 4
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ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Table 215. Present Password response format when Error_flag is set
Response SOF
Response_flags
-
Error code
8 bits
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set:
–
02h: command not recognized
–
03h: command option not supported
–
0Fh: the present password is incorrect
–
10h: the password number is incorrect
Figure 71. Present Password frame exchange between VCD and ST25DVxxKC
VCD
SOF
Present
Password
request
EOF
t1
ST25DVxxKC
7.6.37
Present
Password
response
SOF
EOF
Fast Read Single Block
On receiving the Fast Read Single Block command, the ST25DVxxKC reads the requested block and sends back
its 32-bit value in the response. When the Option_flag is set, the response includes the Block Security Status. The
data rate of the response is multiplied by 2.
The subcarrier_flag should be set to 0, otherwise the ST25DVxxKC answers with an error code.
The Inventory_flag must be set to 0.
Block number is coded on 1 Byte and only first 256 blocks of ST25DV16KC and ST25DV64KC can be addressed
using this command.
Table 216. Fast Read Single Block request format
Request SOF Request_flags
Fast Read Single Block
IC Mfg code UID (1) Block number CRC16 Request EOF
-
C0h
02h
8 bits
64 bits 8 bits
16 bits
-
1. This field is optional.
Request parameters:
•
Request flags
•
UID (optional)
•
Block number
Table 217. Fast Read Single Block response format when Error_flag is NOT set
Response SOF
-
Response_flags
8 bits
Block security status (1)
8 bits
Data
32 bits
CRC16
16 bits
Response EOF
-
1. This field is optional.
Response parameters:
DS13519 - Rev 4
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ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
•
•
Block security status if Option_flag is set (see Table 218)
Four bytes of block data
Table 218. Block security status
b7
b6
b5
b4
b3
b2
b1
b0
Reserved for future use
0: Current Block not locked
All at 0
1: Current Block locked
Table 219. Fast Read Single Block response format when Error_flag is set
Response SOF
Response_flags
-
Error code
8 bits
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set:
–
02h: command not recognized
–
03h: command option not supported
–
0Fh: error with no information given
–
10h: the specified block is not available
–
15h: the specified block is read-protected
Figure 72. Fast Read Single Block frame exchange between VCD and ST25DVxxKC
VCD
SOF
Fast Read
Single Block
request
EOF
t1
ST25DVxxKC
7.6.38
SOF
Fast Read
Single Block
response
EOF
Fast Extended Read Single Block
On receiving the Fast Extended Read Single Block command, the ST25DVxxKC reads the requested block and
sends back its 32-bit value in the response. When the Option_flag is set, the response includes the Block Security
Status. The data rate of the response is multiplied by 2.
The subcarrier_flag should be set to 0, otherwise the ST25DVxxKC answers with an error code.
The Inventory_flag must be set to 0.
Block number is coded on 2 Bytes so all memory blocks of ST25DV16KC and ST25DV64KC can be addressed
using this command
Table 220. Fast Extended Read Single Block request format
Request
SOF
-
Request_flags
Fast
Extended
Read Single
Block
IC Mfg code
UID (1)
Block
number
CRC16
Request
EOF
8 bits
C4h
02h
64 bits
16 bits
16 bits
-
1. This field is optional.
DS13519 - Rev 4
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ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Request parameters:
•
Request flags
•
UID (optional)
•
Block number (from LSB byte to MSB byte)
Table 221. Fast Extended Read Single Block response format when Error_flag is NOT set
Response SOF
Block security status (1)
Response_flags
-
8 bits
8 bits
Data
32 bits
CRC16
16 bits
Response EOF
-
1. This field is optional.
Response parameters:
•
Block security status if Option_flag is set (see the table below)
•
Four bytes of block data
Table 222. Block security status
b7
b6
b5
b4
b3
b2
b1
b0
Reserved for future use
0: Current Block not locked
All at 0
1: Current Block locked
Table 223. Fast Extended Read Single Block response format when Error_flag is set
Response SOF
Response_flags
-
Error code
8 bits
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set:
–
02h: command not recognized
–
03h: command option not supported
–
0Fh: error with no information given
–
10h: the specified block is not available
–
15h: the specified block is read-protected
Figure 73. Fast Extended Read Single Block frame exchange between VCD and ST25DVxxKC
VCD
ST25DVxxKC
DS13519 - Rev 4
SOF
Fast Extended
Read Single Block
request
EOF
t1
SOF
Fast Extended
Read Single Block
response
EOF
page 131/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
7.6.39
Fast Read Multiple Blocks
On receiving the Fast Read Multiple Blocks command, the ST25DVxxKC reads the selected blocks and sends
back their value in multiples of 32 bits in the response. The blocks are numbered from 00h up to the last block of
user memory in the request, and the value is minus one (–1) in the field. For example, if the “Number of blocks”
field contains the value 06h, seven blocks are read. The maximum number of blocks is fixed to 256. Fast Read
Multiple Blocks command can cross areas borders, and returns all blocks until reaching a non readable block
(block read protected or out of memory).
When the Option_flag is set, the response includes the Block Security Status. The data rate of the response is
multiplied by 2.
The subcarrier_flag should be set to 0, otherwise the ST25DVxxKC answers with an error code.
The Inventory_flag must be set to 0.
Block number is coded on 1 Byte and only first 256 blocks of ST25DV16KC and ST25DV64KC can be addressed
using this command.
Table 224. Fast Read Multiple Block request format
Request
SOF
-
Request_flags
Fast Read
Multiple Block
8 bits
C3h
IC Mfg
code
UID (1)
02h
First block
number
64 bits 8 bits
Number of
blocks
8 bits
Request
EOF
CRC16
16 bits
-
1. This field is optional.
Request parameters:
•
Request flag
•
UID (Optional)
•
First block number
•
Number of blocks
Table 225. Fast Read Multiple Block response format when Error_flag is NOT set
Response SOF
-
Block security status (1)
Response_flags
8 bits (2)
8 bits
Data
32 bits(2)
CRC16
16 bits
Response EOF
-
1. This field is optional.
2. Repeated as needed.
Response parameters:
•
Block security status if Option_flag is set (see Table 226)
•
N block of data
Table 226. Block security status if Option_flag is set
b7
b6
b5
b4
b3
b2
b1
b0
Reserved for future use
0: Current not locked
All at 0
1: Current locked
Table 227. Fast Read Multiple Block response format when Error_flag is set
Response SOF
-
DS13519 - Rev 4
Response_flags
8 bits
Error code
8 bits
CRC16
16 bits
Response EOF
-
page 132/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Response parameter:
•
Error code as Error_flag is set:
–
02h: command not recognized
–
0Fh: error with no information given
–
03h: the option is not supported
–
10h: block address not available
–
15h: block read-protected
Figure 74. Fast Read Multiple Block frame exchange between VCD and ST25DVxxKC
VCD
SOF
Fast Read
Multiple block
request
EOF
t1
ST25DVxxKC
7.6.40
SOF
Fast Read
Multiple block
response
EOF
Fast Extended Read Multiple Block
On receiving the Fast Extended Read Multiple Block command, the ST25DVxxKC reads the selected blocks and
sends back their value in multiples of 32 bits in the response. The blocks are numbered from 00h to up to the
last block of memory in the request and the value is minus one (–1) in the field. For example, if the “Number of
blocks” field contains the value 06h, seven blocks are read. The maximum number of blocks is fixed to 2047. Fast
Extended Read Multiple Blocks command can cross areas borders, and returns all blocks until reaching a non
readable block (block read protected or out of memory).
When the Option_flag is set, the response includes the Block Security Status. The data rate of the response is
multiplied by 2.
The subcarrier_flag should be set to 0, otherwise the ST25DVxxKC answers with an error code.
The Inventory_flag must be set to 0.
Block number is coded on 2 Bytes so all memory blocks of ST25DV16KC and ST25DV64KC can be addressed
using this command.
Table 228. Fast Extended Read Multiple Block request format
Request
SOF
-
Request_flags
8 bits
Fast Extended
Read Multiple
Block
C5h
IC Mfg
code
02h
UID (1)
First block
number
64 bits 16 bits
Block
Number
16 bits
Request
EOF
CRC16
16 bits
-
1. This field is optional.
Request parameters:
•
Request flag
•
UID (Optional)
•
First block number (from LSB byte to MSB byte)
•
Number of blocks (from LSB byte to MSB byte)
DS13519 - Rev 4
page 133/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Table 229. Fast Extended Read Multiple Block response format when Error_flag is NOT set
Response SOF
Block security status (1)
Response_flags
-
8 bits
8
Data
bits(2)
32
bits(2)
CRC16
16 bits
Response EOF
-
1. This field is optional.
2. Repeated as needed
Response parameters:
•
Block security status if Option_flag is set (see Table 230)
•
N block of data
Table 230. Block security status if Option_flag is set
b7
b6
b5
b4
b3
b2
b1
b0
Reserved for future
0: Current not locked
use All at 0
1: Current locked
Table 231. Fast Read Multiple Block response format when Error_flag is set
Response SOF
Response_flags
-
Error code
8 bits
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set:
–
02h: command not recognized
–
03h: the option is not supported
–
0Fh: error with no information given
–
10h: block address not available
–
15h: block read-protected
Figure 75. Fast Extended Read Multiple Block frame exchange between VCD and ST25DVxxKC
VCD
SOF
ST25DVxxKC
7.6.41
Fast Extended
Read Multiple
Block request
EOF
t1
SOF
Fast Extended
Read Multiple
Block response
EOF
Fast Write Message
On receiving the Fast Write Message command, the ST25DVxxKC puts the data contained in the request into the
mailbox buffer, updates the Message Length register MB_LEN_Dyn, and set Mailbox loaded bit RF_PUT_MSG.
It then reports if the write operation was successful in the response. The ST25DVxxKC mailbox contains up to
256 data bytes which are filled from the first location '00'. MSGlength parameter of the command is the number
of Data bytes minus - 1 (00 for 1 byte of data, FFh for 256 bytes of data). Fast Write Message can be executed
only when Mailbox is accessible by RF (previous RF message was read or time-out occurs, no I2C message to be
read). User can check it by reading b1 of MB_CTRL_Dyn “HOST_PUT_MSG”, which must be reset to “0”. (refer
to Section 5.1 Fast transfer mode (FTM)).
•
The data rate of the response is multiplied by 2 compared to Write Message command.
DS13519 - Rev 4
page 134/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
•
•
•
The Option_flag is not supported.
The Inventory_flag must be set to 0.
The subcarrier_flag should be set to 0, otherwise the ST25DVxxKC answers with an error code.
Table 232. Fast Write Message request format
Request
SOF
-
Request_flags
8 bits
Fast Write
Message
CAh
IC Mfg
code
02h
UID (1) MSGLength
Message Data
(MsgLenght + 1)
bytes
64 bits 1 byte
Request
EOF
CRC16
16 bits
-
1. This field is optional.
Request parameters:
•
Request flag
•
UID (optional)
•
Message Lenght
•
Message Data
Table 233. Fast Write Message response format when Error_flag is NOT set
Response SOF
Response_flags
-
CRC16
8 bits
Response EOF
16 bits
-
Response parameters:
•
No parameter. The response is sent back after the write cycle.
Table 234. Fast Write Message response format when Error_flag is set
Response SOF
-
Response_flags
8 bits
Error code
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set:
–
02h: command not recognized
–
03h: command option not supported
–
0Fh: error with no information given
DS13519 - Rev 4
page 135/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Figure 76. Fast Write Message frame exchange between VCD and ST25DVxxKC
SOF
VCD
7.6.42
Fast Write
Message
request
EOF
ST25DVxxKC
t1
SOF
Fast Write
Message
response
EOF
Write sequence
when error
ST25DVxxKC
t1
SOF
Fast Write
Message
response
EOF
Write sequence
when no error
Fast Read Message Length
On receiving the Fast Read Message Length command, the ST25DVxxKC reads the MB_LEN_dyn register which
contains the mailbox message length and sends back its 8-bit value in the response.
The value of MB_LEN_Dyn returned is the (size of the message length in Bytes - 1).
The Option_flag is not supported. The Inventory_flag must be set to 0.
The subcarrier_flag should be set to 0, otherwise the ST25DVxxKC answers with an error code.
The data rate of the response is multiplied by 2 compared to Read Message Length command.
Table 235. Fast Read Message Length request format
Request SOF
-
Request_flags
Fast Read Message Length
8 bits
UID (1)
IC Mfg code
CBh
02h
CRC16
64 bits
16 bits
Request EOF
-
1. This field is optional.
Request parameters:
•
Request flag
•
UID (optional)
Table 236. Fast Read Message Length response format when Error_flag is NOT set
Response SOF
-
Response_flags
8 bits
Data
8 bits
CRC16
16 bits
Response EOF
-
Response parameters:
•
One byte of data: volatile Control register.
Table 237. Fast Read Message Length response format when Error_flag is set
Response SOF
-
DS13519 - Rev 4
Response_flags
8 bits
Error code
8 bits
CRC16
16 bits
Response EOF
-
page 136/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Response parameter:
•
Error code as Error_flag is set:
–
02h: command option not recognized
–
03h: command not supported
–
0Fh: error with no information given
Figure 77. Fast Read Message Length frame exchange between VCD and ST25DVxxKC
VCD
Fast Read
Message Length
request
SOF
EOF
t1
ST25DVxxKC
7.6.43
Fast Read
Message Length
response
SOF
EOF
Fast Read Dynamic configuration
On receiving the Fast Read Dynamic configuration command, the ST25DVxxKC reads the Dynamic register
address by the pointer and sends back its 8-bit value in the response.
The Option_flag is not supported. The Inventory_flag must be set to 0.
The subcarrier_flag should be set to 0, otherwise the ST25DVxxKC answers with an error code.
The data rate of the response is multiplied by 2 compared to Read Dynamic configuration command.
Table 238. Fast Read Dynamic configuration request format
Fast Read Dynamic
configuration
Request SOF Request_flags
-
8 bits
CDh
IC Mfg code UID (1) Pointer address CRC16 Request EOF
02h
64 bits 8 bits
16 bits
-
1. This field is optional.
Request parameters:
•
Request flag
•
UID (optional)
Table 239. Fast Read Dynamic configuration response format when Error_flag is NOT set
Response SOF
-
Response_flags
8 bits
Data
8 bits
CRC16
16 bits
Response EOF
-
Response parameters:
•
One byte of data
Table 240. Fast Read Dynamic configuration response format when Error_flag is set
Response SOF
-
DS13519 - Rev 4
Response_flags
8 bits
Error code
8 bits
CRC16
16 bits
Response EOF
-
page 137/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Response parameter:
•
Error code as Error_flag is set:
–
02h: command not recognized
–
03h: command option not supported
–
0Fh: error with no information given
–
10h: block not available
Figure 78. Fast Read Dynamic configuration frame exchange between VCD and ST25DVxxKC
VCD
SOF
Fast Read
Dynamic configuration
request
EOF
t1
ST25DVxxKC
7.6.44
SOF
Fast Read
Dynamic configuration
request
EOF
Fast Write Dynamic Configuration
On receiving the Fast Write Dynamic Configuration command, the ST25DVxxKC updates the Dynamic register
addressed by the pointer.
The Option_flag is not supported. The Inventory_flag must be set to 0.
The data rate of the response is multiplied by 2 compared to Write Dynamic Configuration command.
Table 241. Fast Write Dynamic Configuration request format
Request
SOF
-
Request_flags
8 bits
Fast Write
Dynamic
Configuration
CEh
IC Mfg
code
02h
UID (1)
Pointer
address
64 bits 8 bits
Register
Value
8 bits
Request
EOF
CRC16
16 bits
-
1. This field is optional.
Request parameters:
•
Request flag
•
UID (optional)
•
Pointer address
•
Register value
Table 242. Fast Write Dynamic Configuration response format when Error_flag is NOT set
Response SOF
-
Response_flags
8 bits
CRC16
16 bits
Response EOF
-
Response parameters:
•
No parameter. The response is sent back after t1.
DS13519 - Rev 4
page 138/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
Table 243. Fast Write Dynamic Configuration response format when Error_flag is set
Response SOF
-
Response_flags
8 bits
Error code
8 bits
CRC16
16 bits
Response EOF
-
Response parameter:
•
Error code as Error_flag is set:
–
02h: command not recognized
–
03h: command option not supported
–
0Fh: error with no information given
–
10h: block not available
Figure 79. Fast Write Dynamic Configuration frame exchange between VCD and ST25DVxxKC
VCD
DS13519 - Rev 4
SOF
Fast Write
Dynamic configuration EOF
request
ST25DVxxKC
t1
Fast Write
SOF Dynamic configuration EOF
request
Write sequence
when error
ST25DVxxKC
t1
Fast Write
SOF Dynamic configuration EOF
request
Write sequence
when no error
page 139/203
ST25DV04KC ST25DV16KC ST25DV64KC
Unique identifier (UID)
8
Unique identifier (UID)
The ST25DVxxKC is uniquely identified by a 64-bit unique identifier (UID). This UID complies with ISO/IEC 15963
and ISO/IEC 7816-6. The UID is a read-only code and comprises:
•
eight MSBs with a value of E0h
•
the IC manufacturer code “ST 02h” on 8 bits (ISO/IEC 7816-6/AM1)
•
a unique serial number on 48 bits
Table 244. UID format
MSB
63
56
0xE0
LSB
55
48
0x02
47
40
ST product code
(1)
39
0
Unique serial number
1. See Table 86. UID for ST product code value definition.
With the UID, each ST25DVxxKC can be addressed uniquely and individually during the anticollision loop and for
one-to-one exchanges between a VCD and an ST25DVxxKC.
DS13519 - Rev 4
page 140/203
ST25DV04KC ST25DV16KC ST25DV64KC
Device parameters
9
Device parameters
9.1
Maximum rating
Stressing the device above the rating listed in Table 245 may cause permanent damage to the device. These
are stress ratings only and operation of the device, at these or any other conditions above those indicated in
the operating sections of this specification, is not implied. Exposure to absolute maximum rating conditions for
extended periods may affect the device reliability. Device mission profile (application conditions) is compliant with
JEDEC JESD47 qualification standard. Extended mission profiles can be assessed on demand.
Refer also to the STMicroelectronics SURE Program and other relevant quality documents.
Table 245. Absolute maximum ratings
Symbol
Parameter
Range 6
TA
Min.
RF and
All packages
-40
85
°C
- 40
105
°C
RF interface
- 40
105
°C
I2C
- 40
125
°C
- 65
150
°C
I2C interfaces
UFDFPN8, UFDFPN12
Ambient operating temperature
Range 8
SO8N, TSSOP
Max. Unit
RF and
I2C interfaces
interface
TSTG
Storage temperature
TLEAD
Lead temperature during soldering
see note (1)
°C
VIO
I2C input or output range
- 0.50 6.5
V
VCC
I2C supply voltage
- 0.50 6.5
V
IOL_MAX_SDA
DC output current on pin SDA (when equal to 0)
-
5
mA
IOL_MAX_GPO
DC output current on pin GPO (when equal to 0)
-
1.5
mA
-
11
V
UFDFPN8 (MLP8),SO8N, TSSOP8, UFDFPN12, WLCSP10
VMAX_1
RF input voltage amplitude peak to peak between AC0 and AC1, VSS pin left
VMAX_2
AC voltage between AC0 and VSS, or AC1 and VSS (2)
VESD
Electrostatic discharge voltage (human body model) (3)
floating(2)
VAC0 - VAC1
VAC0 - VSS,
or VAC1 - VSS
All pins
- 0.50 5.5
-
V
2000 V
1. Compliant with JEDEC Std J-STD-020C (for small body, Sn-Pb or Pb assembly), the ST ECOPACK
7191395 specification, and the European directive on Restrictions on Hazardous Substances (RoHS)
2002/95/EU.
2. Evaluated By Characterization – Not tested in production.
3. AEC-Q100-002 (compliant with JEDEC Std JESD22-A114, C1 = 100 pF, R1 = 1500 Ω, R2 = 500 Ω)
DS13519 - Rev 4
page 141/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C DC and AC parameters
9.2
I²C DC and AC parameters
This section summarizes the operating and measurement conditions, and the DC and AC characteristics of the
device in I2C mode. The parameters in the DC and AC characteristic tables that follow are derived from tests
performed under the measurement conditions summarized in the relevant tables. Designers should check that the
operating conditions in their circuit match the measurement conditions when relying on the quoted parameters.
Table 246. I²C operating conditions
Symbol
Parameter
Min.
Max.
Unit
VCC
Supply voltage
1.8
5.5
V
All packages
-40
85
°C
UFDFPN8, UFDFPN12
-40
105
°C
SO8N, TSSOP8
-40
125
°C
Range 6
TA
Ambient operating temperature
Range 8
Table 247. AC test measurement conditions
Symbol
Parameter
Min.
Max.
Unit
CL
Load capacitance
100
tr, tf
Input rise and fall times
-
Vhi-lo
Input levels
0.2VCC to 0.8VCC
V
Vref(t)
Input and output timing reference levels
0.3VCC to 0.7VCC
V
pF
50
ns
Figure 80. AC test measurement I/O waveform
Input and Output
Timing Reference Levels
Input Levels
0.8VCC
0.7VCC
0.3VCC
0.2VCC
Table 248. Input parameters
Symbol
Parameter
Min.
Max.
Unit
CIN
Input capacitance (SDA)
-
8
pF
CIN
Input capacitance (other pins)
-
6
pF
tNS (1)
Pulse width ignored (Input filter on SCL and SDA)
-
80
ns
1. Evaluated By Characterization – Not tested in production.
DS13519 - Rev 4
page 142/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C DC and AC parameters
Table 249. I²C DC characteristics up to 85 °C
Symbol
ILI
ILO
Parameter
Test condition
Min.
Typ.
Max.
Unit
-
0.03
±0.1
µA
-
0.1
±0.5
μA
-
0.03
±0.1
µA
-
116
160
-
220
240
-
510
550
-
116
160
-
220
240
-
510
550
-
110
210
-
110
220
-
130
250
-
170
200
-
280
300
-
520
600
VCC = 1.8 V
-
0.84
1.5
VCC = 3.3 V
-
1.3
2
VCC = 5.5 V
-
1.7
3
VCC = 1.8 V
-
72
100
VCC = 3.3 V
-
76
100
VCC = 5.5 V
-
87
120
VCC = 1.8 V
-0.45
-
0.25 VCC
VCC = 3.3 V
-0.45
-
0.3 VCC
VCC = 5.5 V
-0.45
-
0.3 VCC
VCC = 3.3 V
-0.45
-
0.2 VCC
Input leakage current
VIN = VSS or VCC
(SCL, SDA)
device in Standby mode
Input leakage current (LPD)
VIN = VSS device in Standby mode
Output leakage current
SDA in Hi-Z, external voltage
(SDA)
applied on SDA: VSS or VCC
VCC = 1.8 V, fC = 1MHz
(rise/fall time < 50 ns)
ICC_E2
Operating supply current (device
select E2 address) read (1)
VCC = 3.3 V, fC = 1MHz
(rise/fall time < 50 ns)
VCC = 5.5 V, fC = 1MHz
(rise/fall time < 50 ns)
VCC = 1.8 V, fC = 1MHz
(rise/fall time < 50 ns)
ICC_MB
Operating supply current (device
select MB address) read(1)
VCC = 3.3 V, fC = 1MHz
(rise/fall time < 50 ns)
VCC = 5.5 V, fC = 1MHz
(rise/fall time < 50 ns)
VCC = 1.8 V, fC = 1MHz
(rise/fall time < 50 ns)
ICC0
Operating supply current (device
select E2 address) write(1)
VCC = 3.3 V, fC = 1MHz
(rise/fall time < 50 ns)
VCC = 5.5 V, fC = 1MHz
(rise/fall time < 50 ns)
VCC = 1.8 V, fC = 1MHz
(rise/fall time < 50 ns)
ICC0_MB
Operating supply current (device
select MB address) write(1)
VCC = 3.3 V, fC = 1MHz
(rise/fall time < 50 ns)
VCC = 5.5 V, fC = 1MHz
(rise/fall time < 50 ns)
ICC1
(LPD = 1)
ICC1_PON
(LPD = 0)
VIL
VIL_LPD
DS13519 - Rev 4
Low power down supply current
Static standby supply current after
power ON or device select stop or
time out
Input low voltage (SDA, SCL)
Input low voltage (LPD)
µA
µA
µA
µA
μA
µA
V
V
page 143/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C DC and AC parameters
Symbol
VIH
VIH_LPD
VOL_SDA
Parameter
Test condition
Input high voltage (SDA, SCL)
Input high voltage (LPD)
Output low voltage SDA (1 MHz)
VCC_Power_up Device select acknowledge
Min.
Typ.
Max.
VCC = 1.8 V
0.75 VCC
-
VCC+ 1
VCC = 3.3 V
0.75 VCC
-
VCC+ 1
VCC = 5.5 V
0.75 VCC
-
VCC+ 1
VCC = 1.8 V
0.85 VCC
-
VCC+ 1
VCC = 3.3 V
0.85 VCC
-
VCC+ 1
VCC = 5.5 V
0.85 VCC
-
VCC+ 1
IOL = 1 mA, VCC = 1.8 V
-
0.05
0.4
IOL = 2.1 mA, VCC = 3.3 V
-
0.075
0.4
IOL = 3 mA, VCC = 5.5 V
-
0.09
0.4
kHz(2)
-
1.48
1.7
V
Min.
Typ.
Max.
Unit
-
0.03
±0.1
-
0.1
±0.5
-
0.03
±0.1
-
126
180
-
230
260
-
510
550
-
126
180
-
230
260
-
510
550
-
120
220
-
120
230
-
140
260
-
180
220
fC = 100
Unit
V
V
V
1. SCL, SDA connected to Ground or VCC. SDA connected to VCC through a pull-up resistor.
2. Evaluated by Characterization – Not tested in production.
Table 250. I2C DC characteristics up to 125 °C
Symbol
ILI
ILO
Parameter
Test condition
Input leakage current
VIN = VSS or VCC
(SCL, SDA)
device in Standby mode
Input leakage current (LPD)
VIN = VSS device in Standby mode
Output leakage current
SDA in Hi-Z, external voltage
(SDA)
applied on SDA: VSS or VCC
VCC = 1.8 V, fC = 1MHz
(rise/fall time < 50 ns)
ICC_E2
Operating Supply current (Device
select E2 Address) Read (1)
VCC = 3.3 V, fC = 1MHz
(rise/fall time < 50 ns)
VCC = 5.5 V, fC = 1MHz
(rise/fall time < 50 ns)
VCC = 1.8 V, fC = 1MHz
(rise/fall time < 50 ns)
ICC_MB
Operating Supply current (Device
select MB Address) Read(1)
VCC = 3.3 V, fC = 1MHz
(rise/fall time < 50 ns)
VCC = 5.5 V, fC = 1MHz
(rise/fall time < 50 ns)
VCC = 1.8 V, fC = 1MHz
(rise/fall time < 50 ns)
ICC0
Operating Supply current (Device
select E2 Address) Write(1)
VCC = 3.3 V, fC = 1MHz
(rise/fall time < 50 ns)
VCC = 5.5 V, fC = 1MHz
(rise/fall time < 50 ns)
ICC0_MB
DS13519 - Rev 4
Operating Supply current (Device
select MB Address) Write(1)
VCC = 1.8 V, fC = 1MHz
(rise/fall time < 50 ns)
µA
µA
µA
µA
µA
µA
page 144/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C DC and AC parameters
Symbol
Parameter
Test condition
VCC = 3.3 V, fC = 1MHz
ICC0_MB
(rise/fall time < 50 ns)
Operating Supply current (Device
select MB Address) Write(1)
VCC = 5.5 V, fC = 1MHz
(LPD = 1)
ICC1_PON
(LPD = 0)
VIL
VIL_LPD
VIH
VIH_LPD
VOL_SDA
VCC_Power_up
Max.
-
290
320
600
VCC = 1.8 V
-
2.5
5
VCC = 3.3 V
-
3
6
VCC = 5.5 V
-
4
7
VCC = 1.8 V
-
78
110
VCC = 3.3 V
-
82
110
VCC = 5.5 V
-
95
130
VCC = 1.8 V
-0.45
-
0.25 VCC
VCC = 3.3 V
-0.45
-
0.3 VCC
VCC = 5.5 V
-0.45
-
0.3 VCC
VCC = 3.3 V
-0.45
-
0.2 VCC
VCC = 1.8 V
0.75 VCC
-
VCC+1
VCC = 3.3 V
0.75 VCC
-
VCC+1
VCC = 5.5 V
0.75 VCC
-
VCC+1
VCC = 1.8 V
0.85
VCC+1
-
VCC+1
VCC = 3.3 V
0.85
VCC+1
-
VCC+1
VCC = 5.5 V
0.85
VCC+1
-
VCC+1
IOL = 1 mA, VCC = 1.8 V
-
0.05
0.4
IOL = 2.1 mA, VCC = 3.3 V
-
0.08
0.4
IOL = 3 mA, VCC = 5.5 V
-
0.1
0.4
-
1.48
1.7
Static Standby supply current after
power ON or device select stop or
time out
Input low voltage (SDA, SCL)
Input low voltage (LPD)
Input high voltage (SDA, SCL)
Input high voltage (LPD)
Device Select Acknowledge
fC = 100
KHz(2)
Unit
µA
520
Low power down supply current
Output low voltage SDA (1 MHz)
Typ.
-
(rise/fall time < 50 ns)
ICC1
Min.
μA
µA
V
V
V
V
V
V
1. SCL, SDA connected to Ground or VCC. SDA connected to VCC through a pull-up resistor.
2. Evaluated by Characterization – Not tested in production.
DS13519 - Rev 4
page 145/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C DC and AC parameters
Table 251. I2C AC characteristics up to 85 °C
Test conditions specified in Table 246. I²C operating conditions
Symbol
Alt.
Parameter
Min.
Max.
Unit
fC
fSCL
Clock frequency
0.05
1000
kHz
tCHCL
tHIGH
Clock pulse width high(1)
0.26
25000(2)
µs
tCLCH
tLOW
Clock pulse width low(1)
0.5
25000 (3)
µs
35
-
ms
tSTART_OUT
-
I²C timeout on Start
tXH1XH2
tR
Input signal rise time(1)
-(4)
-(4)
ns
tXL1XL2
tF
Input signal fall time(1)
- (4)
-(4)
ns
tDL1DL2
tF
SDA (out) fall
20
120
ns
tDXCX
tSU:DAT
Data in set up time(1)
0
-
ns
tCLDX
tHD:DAT
Data in hold time
0
-
ns
tCLQX
tDH
Data out hold time(5)
100
-
ns
tCLQV
tAA
Clock low to next data valid (access
-
450
ns
tCHDX
tSU:STA
Start condition set up time(7)
250
-
ns
tDLCL
tHD:STA
Start condition hold time
0.25
35000(8)
µs
tCHDH
tSU:STO
Stop condition set up time
250
-
ns
tDHDL
tBUF
Time between Stop condition and next Start
condition
1400
-
ns
tW
-
I²C write time (9)
-
5
ms
tbootDC
-
RF OFF and LPD = 0(1)
-
0.6
ms
-
0.6
ms
tbootLPD
-
RF
condition(1)
time(1)
OFF(1)
time)(6)
1. Evaluated by Characterization – Not tested in production.
2. tCHCL timeout.
3. tCLCH timeout.
4. There is no min. or max. values for the input signal rise and fall times. It is however recommended by the
I2C specification that the input signal rise and fall times be less than 120 ns when fC < 1 MHz.
5. To avoid spurious Start and Stop conditions, a minimum delay is placed between SCL=1 and the falling or
rising edge of SDA.
6. tCLQV is the time (from the falling edge of SCL) required by the SDA bus line to reach 0.8VCC in a
compatible way with the I2C specification (which specifies tSU:DAT (min) = 100 ns), assuming that the
Rbus × Cbus time constant is less than 150 ns (as specified in the Figure 82. I2C Fast mode (fC = 1 MHz):
maximum Rbus value versus bus parasitic capacitance (Cbus).
7. For a reStart condition, or following a write cycle.
8. tDLCL timeout
9. I2C write time for 1 Byte, up to 16 Bytes in EEPROM (user memory) provided they are all located in the
same memory row, that is the most significant memory address bits (b16-b4) are the same.
DS13519 - Rev 4
page 146/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C DC and AC parameters
Table 252. I2C AC characteristics up to 125 °C
Test conditions specified in Table 246. I²C operating conditions
Symbol
Alt.
fC
fSCL
tCHCL
tCLCH
Parameter
Min.
Max.
Unit
Clock frequency
0.05
1000
kHz
tHIGH
Clock pulse width high
0.26
25000 (1)
µs
tLOW
Clock pulse width low
0.5
25000 (2)
µs
35
-
ms
tSTART_OUT
-
I²C timeout on Start
tXH1XH2
tR
Input signal rise time(3)
-(4)
-(4)
ns
tXL1XL2
tF
Input signal fall time(3)
- (4)
- (4)
ns
tDL1DL2
tF
time(3)
20
120
ns
tDXCX
tSU:DAT
Data in set up time(3)
0
-
ns
tCLDX
tHD:DAT
Data in hold time
0
-
ns
tCLQX
tDH
100
-
ns
tCLQV
tAA
-
450
ns
tCHDX
tSU:STA
Start condition set up time(7)
250
-
ns
tDLCL
tHD:STA
Start condition hold time
0.25
35000 (8)
µs
tCHDH
tSU:STO
Stop condition set up time
250
-
ns
tDHDL
tBUF
Time between Stop condition and next Start
condition
1400
-
ns
tW
-
I²C write time (9)
-
5.5
ms
tbootDC
-
RF OFF and LPD = 0(3)
-
-
ms
-
0.6
ms
tboot_LPD
-
SDA (out) fall
condition(3)
Data out hold time(5)
Clock low to next data valid (access
RF
OFF(3)
time)(6)
1. tCHCL timeout.
2. tCLCH timeout.
3. Evaluated by Characterization – Not tested in production.
4. There is no min. or max. values for the input signal rise and fall times. It is however recommended by the
I2C specification that the input signal rise and fall times be less than 120 ns when fC < 1 MHz.
5. To avoid spurious Start and Stop conditions, a minimum delay is placed between SCL=1 and the falling or
rising edge of SDA.
6. tCLQV is the time (from the falling edge of SCL) required by the SDA bus line to reach 0.8VCC in a
compatible way with the I2C specification (which specifies tSU:DAT (min) = 100 ns), assuming that the Rbus ×
Cbus time constant is less than 150 ns (as specified in the Figure 82. I2C Fast mode (fC = 1 MHz): maximum
Rbus value versus bus parasitic capacitance (Cbus) ).
7. For a restart condition, or following a write cycle.
8. tDLCL timeout.
9. I2 write time for 1 Byte, up to 16 Bytes in EEPROM (user memory) provided they are all located in the same
memory row, that is the most significant memory address bits (b16-b4) are the same.
DS13519 - Rev 4
page 147/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C DC and AC parameters
Figure 81. I2C AC waveforms
tXL1XL2
tXH1XH2
tCHCL
tCLCH
SCL
tDLCL
tXL1XL2
SDA In
tCHDX
tXH1XH2
SDA
Input
Start
condition
tCLDX
tDXCX
SDA
Change
tCHDH
tDHDL
Stop
Start
condition condition
SCL
SDA In
tW
tCHDH
tCHDX
Stop
condition
Write cycle
Start
condition
tCHCL
SCL
tCLQV
tCLQX
Data valid
Data valid
SDA Out
tDL1DL2
MS71328
Figure 82 indicates how the value of the pull-up resistor can be calculated. In most applications, though, this
method of synchronization is not employed, and so the pull-up resistor is not necessary, provided that the bus
master has a push-pull (rather than open drain) output.
Figure 82. I2C Fast mode (fC = 1 MHz): maximum Rbus value versus bus parasitic capacitance (Cbus)
V CC
Bus line pull-up resistor (KW)
100
R bus
R
10
4
bu s ×
C
bu s =
1
The Rbus x Cbus time constant
must be below 150 ns.
The time constant line is
represented on the left.
50 n
s
Here,
R bu s × C = 120 ns
I²C bus
master
SCL
ST25DV
SDA
C bus
bu s
1
10
30
100
Bus line capacitor (pF)
DS13519 - Rev 4
page 148/203
ST25DV04KC ST25DV16KC ST25DV64KC
GPO characteristics
9.3
GPO characteristics
This section summarizes the operating and measurement conditions of the GPO feature. The parameters in the
DC and AC characteristic tables that follow are derived from tests performed under the measurement conditions
summarized in the relevant tables.
Table 253. GPO DC characteristics up to 85 °C
Symbol
Parameter
VOL_GPO_CMOS
Output low voltage (GPO
CMOS)
VOH_GPO_CMOS
VOL_GPO_OD
Output high voltage (GPO
CMOS)
Output low voltage (GPO
open drain)
Condition
Min
Typ
Max
Unit
VDCG = 1.8 V, IOL = 0.5 mA
-
-
0.4
V
VDCG = 3.3 V, IOL = 0.5 mA
-
-
0.4
V
VDCG = 5.5 V, IOL = 0.5 mA
-
-
0.4
V
VDCG = 1.8 V, IOL = 0.5 mA
VDCG-0.4
-
-
V
VDCG = 3.3 V, IOL = 0.5 mA
VDCG-0.4
-
-
V
VDCG = 5.5 V, IOL = 0.5 mA
VDCG-0.4
-
-
V
IOL = 1 mA, VCC = 1.8 V
-
0.28
0.4
IOL = 1 mA, VCC = 3.3 V
-
0.2
0.4
IOL = 1 mA, VCC = 5.5 V
-
0.2
0.4
-0.15
0.06
0.15
µA
-
-
0.1
µA
IL_GPO_OD
Output leakage current
(GPO open drain)
GPO in Hi-Z, external voltage applied on:
ILI_VDCG
Input leakage (VDCG)
VDCG = 5.5 V
GPO, VSS or VCC
V
Table 254. GPO DC characteristics up to 125 °C
Symbol
VOL_GPO_CMOS
VOH_GPO_CMOS
VOL_GPO_OD
Parameter
Output low voltage (GPO
CMOS)
Output high voltage (GPO
CMOS)
Output low voltage (GPO
open drain)
Condition
Min
Typ
Max
Unit
VDCG = 1.8 V, IOL = 0.5 mA
-
-
0.4
V
VDCG = 3.3 V, IOL = 0.5 mA
-
-
0.4
V
VDCG = 5.5 V, IOL = 0.5 mA
-
-
0.4
V
VDCG = 1.8 V, IOL = 0.5 mA
VDCG-0.4
-
-
V
VDCG = 3.3 V, IOL = 0.5 mA
VDCG-0.4
-
-
V
VDCG = 5.5 V, IOL = 0.5 mA
VDCG-0.4
-
-
V
IOL = 1 mA, VCC = 1.8 V
-
0.28
0.4
IOL = 1 mA, VCC = 3.3 V
-
0.22
0.4
IOL = 1 mA, VCC = 5.5 V
-
0.21
0.4
-0.15
0.06
0.15
µA
-
-
0.1
µA
IL_GPO_OD
Output leakage current
(GPO open drain)
GPO in Hi-Z, external voltage applied on:
ILI_VDCG
Input leakage (VDCG)
VDCG = 5.5 V
GPO, VSS or VCC
V
Table 255. GPO AC characteristics
Symbol
Parameter
Test condition
Min.
Max
Unit
tr_GPO_CMOS
Output rise
time(1)
CL = 30 pF, VDCG = 1.8 V to 5.5 V
-
50
ns
tf_GPO_CMOS
Output fall time(1)
CL = 30 pF, VDCG=1.8 V to 5.5 V
-
50
ns
1. Evaluated by Characterization – Not tested in production.
DS13519 - Rev 4
page 149/203
ST25DV04KC ST25DV16KC ST25DV64KC
RF electrical parameters
9.4
RF electrical parameters
This section summarizes the operating and measurement conditions, and the DC and AC characteristics of the
device in RF mode.
The parameters in the DC and AC characteristics tables that follow are derived from tests performed under the
Measurement Conditions summarized in the relevant tables. Designers should check that the operating conditions
in their circuit match the measurement conditions when relying on the quoted parameters.
Table 256. RF characteristics
Symbol
Parameter
Condition
Min
Typ
Max
Unit
fCC
External RF signal frequency
-
13.553
13.56
13.567
MHz
H_ISO
Operating field according to ISO(1)
150
-
5000
mA/m
10
-
30
95
-
100
10% carrier modulation index
MICARRIER
MI=(A-B)/(A+B)
100% carrier modulation index
Range 6
TA = -40 °C to 85 °C
Range 8
TA = -40 °C to 105 °C
150 mA/m > H_ISO > 1000 mA/m
MI=(A-B)/(A+B)
(2)
%
tMIN CD
Minimum time from carrier generation to
first data(1)
From H-field min
-
-
1
ms
fSH
Subcarrier frequency high(1)
FCC/32
-
423.75
-
kHz
fSL
low(1)
FCC/28
-
484.28
-
kHz
Subcarrier frequency
t1
Time for ST25DVxxKC response(1)
4352/FC
318.6
320.9
323.3
µs
t2
Time between commands(1)
4192/FC
309
311.5
314
µs
t3
Time between commands(1)
4384/FC
323.3
-
-
µs
Wt_Block
RF User memory write time (including
internal Verify) (1)(3)
1 Block
-
5.2
-
ms
4 Blocks
-
19.7
-
ms
Wt_Byte
RF system memory write time including
internal Verify)(1)(3)
1 Byte
-
4.9
-
ms
Wt_MB
RF Mailbox write time (from VCD request
SOF to ST25DVxxKC response EOF)(1)(3)
256 Byte
-
80.7
-
ms
Read_MB
RF Mailbox read time (from VCD request
SOF to ST25DVxxKC response EOF) (1)(3)
256 Byte
-
81
-
ms
CTUN
Internal tuning capacitor(2)
f = 13.56 MHz
-
28.5
-
pF
VBACK
Backscattered level as defined by ISO test
-
10
-
-
mV
RF input voltage amplitude between AC0
and AC1, VSS pin left floating, VAC0-VAC1
peak to peak(1)
Inventory and Read operations
-
4.8
-
V
VMIN_1
Write operations
-
5.25
-
V
VMIN_2
AC voltage between AC0 and VSS or
between AC1 and VSS (1)
Inventory and Read operations
-
2.25
-
V
Write operations
-
2.7
-
V
tBootRF
Without DC supply (No VCC)(1)
Set up time
-
0.6
-
ms
Chip reset
2
-
-
ms
tRF_OFF
RF OFF
time(1)
1. Evaluated by Characterization – Not tested in production.
2. Evaluated by Characterization – Tested in production by correlating industrial tester measure with
characterization results.
3. For VCD request coded in 1 out of 4 and ST25DVxxKC response in high data rate, single sub carrier.
DS13519 - Rev 4
page 150/203
ST25DV04KC ST25DV16KC ST25DV64KC
Thermal characteristics
Note:
All timing characterization where performed on a reference antenna with the following characteristics:
•
ISO antenna class 1
•
Tuning frequency = 13.7 MHz
Table 257. Operating conditions
Symbol
TA
Parameter
Ambient operating temperature
Min.
Max.
Range 6
-40
85
Range 8
-40
105
Unit
°C
Figure 83. ASK modulated signal shows an ASK modulated signal from the VCD to the ST25DVxxKC. The test
conditions for the AC/DC parameters are:
•
Close coupling condition with tester antenna (1 mm)
•
ST25DVxxKC performance measured at the tag antenna
•
ST25DVxxKC synchronous timing, transmit and receive
Figure 83. ASK modulated signal
t RFF
A
B
t RFR
f CC
t RFSBL
t M IN CD
9.5
Thermal characteristics
Table 258. Thermal characteristics
Symbol
Parameter
Thermal resistance junction-ambient
SO8N 4.9 x 6 mm, 1.27 mm pitch package(1)
ƟJA
Thermal resistance junction-ambient
TSSOP8 3 x 6.4 mm, 0.65 mm pitch package(1)
Thermal resistance junction-ambient
UFDFN8 2 × 3 mm, 0.5 mm pitch package(1)(2)
Value
Unit
219
255
°C/W
67
1. Jedec JESD51-7 2s2p board
2. Exposed pad soldered to board
DS13519 - Rev 4
page 151/203
ST25DV04KC ST25DV16KC ST25DV64KC
Package information
10
Package information
In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK packages,
depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product
status are available at: www.st.com. ECOPACK is an ST trademark.
10.1
SO8N package information
This SO8N is an 8-lead, 4.9 x 6 mm, plastic small outline, 150 mils body width, package.
Figure 84. SO8N – Outline
Package SO8N (package code O7)
A2
h x 45˚
A
c
b
ccc
e
D
0.25 mm
GAUGE PLANE
SEATING
PLANE
C
k
8
E1
1
E
A1
L
L1
1.
DS13519 - Rev 4
Drawing is not to scale.
page 152/203
ST25DV04KC ST25DV16KC ST25DV64KC
SO8N package information
Table 259. SO8N – Mechanical data
Symbol
inches (1)
millimeters
Min.
Typ.
Max.
Min.
Typ.
Max.
A
-
-
1.750
-
-
0.0689
A1
0.100
-
0.250
0.0039
-
0.0098
A2
1.250
-
-
0.0492
-
-
b
0.280
-
0.480
0.0110
-
0.0189
c
0.100
-
0.230
0.0039
-
0.0091
D(2)
4.800
4.900
5.000
0.1890
0.1929
0.1969
E
5.800
6.000
6.200
0.2283
0.2362
0.2441
E1(3)
3.800
3.900
4.000
0.1496
0.1535
0.1575
e
-
1.270
-
-
0.0500
-
h
0.250
-
0.500
0.0098
-
0.0197
k
0°
-
8°
0°
-
8°
L
0.400
-
1.270
0.0157
-
0.0500
L1
-
1.040
-
-
0.0409
-
ccc
-
-
0.100
-
-
0.0039
1. Values in inches are converted from mm and rounded to four decimal digits.
2. Dimension “D” does not include mold flash, protrusions or gate burrs. Mold flash, protrusions or gate burrs shall not exceed
0.15 mm per side
3. Dimension “E1” does not include interlead flash or protrusions. Interlead flash or protrusions shall not exceed 0.25 mm per
side.
Note:
The package top may be smaller than the package bottom. Dimensions D and E1 are determinated at the
outermost extremes of the plastic body exclusive of mold flash, tie bar burrs, gate burrs and interleads flash,
but including any mismatch between the top and bottom of plastic body. Measurement side for mold flash,
protusions or gate burrs is bottom side.
Figure 85. SO8N - Recommended footprint
3.9
6.7
0.6 (x8)
1.27
1.
DS13519 - Rev 4
Dimensions are expressed in millimeters.
page 153/203
ST25DV04KC ST25DV16KC ST25DV64KC
TSSOP8 package information
10.2
TSSOP8 package information
This TSSOP is an 8-lead, 3 x 6.4 mm, 0.65 mm pitch, thin shrink small outline package.
Figure 86. TSSOP8 – Outline
D
8
Package TSSOP8 (package code 6P)
5
k
E1 E
A1
1
L
L1
4
A2
A
c
1.
6P_TSSOP8_ME_V3
e
b
Drawing is not to scale.
Table 260. TSSOP8 – Mechanical data
Symbol
inches (1)
millimeters
Min.
Typ.
Max.
Min.
Typ.
Max.
A
-
-
1.200
-
-
0.0472
A1
0.050
-
0.150
0.0020
-
0.0059
A2
0.800
1.000
1.050
0.0315
0.0394
0.0413
b
0.190
-
0.300
0.0075
-
0.0118
c
0.090
-
0.200
0.0035
-
0.0079
D
2.900
3.000
3.100
0.1142
0.1181
0.1220
e
-
0.650
-
-
0.0256
-
E
6.200
6.400
6.600
0.2441
0.2520
0.2598
E1
4.300
4.400
4.500
0.1693
0.1732
0.1772
L
0.450
0.600
0.750
0.0177
0.0236
0.0295
L1
-
1.000
-
-
0.0394
-
k
0°
-
8°
0°
-
8°
aaa
-
-
0.100
-
-
0.0039
1. Values in inches are converted from mm and rounded to four decimal digits.
2. Dimension “D” does not include mold flash, protrusions or gate burrs. Mold flash, protrusions or gate burrs shall not exceed
0.15 mm per side
3. Dimension “E1” does not include interlead flash or protrusions. Interlead flash or protrusions shall not exceed 0.25 mm per
side.
Note:
DS13519 - Rev 4
The package top may be smaller than the package bottom. Dimensions D and E1 are determinated at the
outermost extremes of the plastic body exclusive of mold flash, tie bar burrs, gate burrs and interleads flash,
but including any mismatch between the top and bottom of plastic body. Measurement side for mold flash,
protusions or gate burrs is bottom side.
page 154/203
ST25DV04KC ST25DV16KC ST25DV64KC
TSSOP8 package information
Figure 87. TSSOP8 – Recommended footprint
1.55
0.65
0.40
2.35
5.80
7.35
1.
DS13519 - Rev 4
6P_TSSOP8_FP_V2
Dimensions are expressed in millimeters.
page 155/203
ST25DV04KC ST25DV16KC ST25DV64KC
UFDFN8 package information
10.3
UFDFN8 package information
UFDFPN8 is an 8-lead, 2 × 3 mm, 0.5 mm pitch ultra thin profile fine pitch dual flat package.
Figure 88. UFDFN8 - Outline
N
D
A B
A
ccc C
Pin #1
ID marking
E
A1
C
eee C
Seating plane
A3
Side view
2x
aaa C
aaa C
2x
1 2
Top view
D2
e
1 2
L3
Datum A
b
L1
L L3
Pin #1
ID marking
E2
K
L
e/2
L1
e
Terminal tip
Detail “A”
Even terminal
ND-1 x e
Bottom view
1.
2.
3.
DS13519 - Rev 4
See Detail “A”
Max. package warpage is 0.05 mm.
Exposed copper is not systematic and can appear partially or totally according to the cross section.
Drawing is not to scale.
page 156/203
ST25DV04KC ST25DV16KC ST25DV64KC
UFDFN8 package information
Table 261. UFDFN8 - Mechanical data
inches (1)
millimeters
Symbol
Min
Typ
Max
Min
Typ
Max
A
0.450
0.550
0.600
0.0177
0.0217
0.0236
A1
0.000
0.020
0.050
0.0000
0.0008
0.0020
b(2)
0.200
0.250
0.300
0.0079
0.0098
0.0118
D
1.900
2.000
2.100
0.0748
0.0787
0.0827
D2
1.200
-
1.600
0.0472
-
0.0630
E
2.900
3.000
3.100
0.1142
0.1181
0.1220
E2
1.200
-
1.600
0.0472
-
0.0630
e
-
0.500
-
0.0197
K
0.300
-
-
0.0118
-
-
L
0.300
-
0.500
0.0118
-
0.0197
L1
-
-
0.150
-
-
0.0059
L3
0.300
-
-
0.0118
-
-
aaa
-
-
0.150
-
-
0.0059
bbb
-
-
0.100
-
-
0.0039
ccc
-
-
0.100
-
-
0.0039
ddd
-
-
0.050
-
-
0.0020
eee (3)
-
-
0.080
-
-
0.0031
1. Values in inches are converted from mm and rounded to 4 decimal digits.
2. Dimension b applies to plated terminal and is measured between 0.15 and 0.30 mm from the terminal tip.
3. Applied for exposed die paddle and terminals. Exclude embedding part of exposed die paddle from measuring.
DS13519 - Rev 4
page 157/203
ST25DV04KC ST25DV16KC ST25DV64KC
WLCSP10 package information
10.4
WLCSP10 package information
Figure 89. WLCSP - 10 balls, 1.649x1.483 mm, 0.4 mm pitch, wafer level chip scale package outline
bbb Z
I
DETAIL A
Orientation reference
X Y
D
H
e
J
E
e1
F
A
A3
aaa
(4X)
G
A2
SIDE VIEW
BOTTOM VIEW
TOP VIEW
BUMP
A1
eee Z
DETAIL A
ROTATED 90
Z
b(10x)
SEATING PLANE
ccc M Z X Y
ddd M Z
1.
2.
3.
4.
Drawing is not to scale.
Dimension is measured at the maximum bump diameter parallel to primary datum Z.
Primary datum Z and seating plane are defined by the spherical crowns of the bump.
Bump position designation per JESD 95-1, SPP-010.
Table 262. WLCSP - 10 balls, 1.649x1.483 mm, 0.4 mm pitch, wafer level chip scale mechanical data
DS13519 - Rev 4
inches (1)
millimeters
Symbol
Min
Typ
Max
Min
Typ
Max
A
0.265
0.295
0.325
0.0104
0.0116
0.0128
A1
-
0.095
-
-
0.0037
-
A2
-
0.175
-
-
0.0069
-
A3
-
0.025
-
-
0.0010
-
b
-
0.185
-
-
0.0073
-
D
-
1.649
1.669
-
0.0649
0.0657
E
-
1.483
1.503
-
0.0584
0.0592
e
-
0.400
-
-
0.0157
-
e1
-
0.800
-
-
0.0315
-
H
-
0.346
-
-
0.0136
-
I
-
1.039
-
-
0.0409
-
page 158/203
ST25DV04KC ST25DV16KC ST25DV64KC
WLCSP10 package information
inches (1)
millimeters
Symbol
Min
Typ
Max
Min
Typ
Max
J
-
0.200
-
-
0.0079
-
F
-
0.314
-
-
0.0124
-
G
-
0.342
-
-
0.0135
-
aaa
-
0.110
-
-
0.0043
-
bbb
-
0.110
-
-
0.0043
-
ccc
-
0.110
-
-
0.0043
-
ddd
-
0.060
-
-
0.0024
-
eee
-
0.060
-
-
0.0024
-
1. Values in inches are converted from mm and rounded to 4 decimal digits.
Figure 90. WLCSP - 10 balls, 1.649x1.483 mm, 0.4 mm pitch, wafer level chip scale recommended footprint
Dpad
Dsm
Table 263. WLCSP10 recommended PCB design rules
Dimension
DS13519 - Rev 4
Recommended values
Pitch
0.4 mm
Dpad
0,225 mm
Dsm
0.290 mm typ. (depends on soldermask registration tolerance)
Stencil opening
0.250 mm
Stencil thickness
0.100 mm
page 159/203
ST25DV04KC ST25DV16KC ST25DV64KC
UFDFPN12 package information
10.5
UFDFPN12 package information
UFDFPN12 is an 12-lead, 3 x 3 mm, 0.5 mm pitch ultra thin profile fine pitch dual flat package.
Figure 91. UFDFPN12 - Outline
Pin #1 ID marking
E2
E
e
D
D2
k
L
b
TOP VIEW
BOTTOM VIEW
A
SIDE VIEW
1.
Drawing is not to scale.
Table 264. UFDFPN12 - Mechanical data
Symbol
inches (1)
millimeters
Min
Typ
Max
Min
Typ
Max
A(2)
0.45
0.55
0.60
0.0177
0.0217
0.0236
b
0.20
0.25
0.30
0.0079
0.0098
0.0118
D
2.95
3.00
3.10
0.1161
0.1181
0.1220
D2
1.35
1.40
1.45
0.0531
0.0551
0.0571
e
0.50
0.0197
E
2.95
3.00
3.10
0.1161
0.1181
0.1220
E2
2.50
2.55
2.60
0.0984
0.1004
0.1024
L
0.25
0.30
0.35
0.0098
0.0118
0.0138
k
0.40
0.0157
1. Values in inches are converted from mm and rounded to 4 decimal digits.
2. Package total thickness.
DS13519 - Rev 4
page 160/203
ST25DV04KC ST25DV16KC ST25DV64KC
Ordering information
11
Ordering information
Table 265. Ordering information scheme
Example:
ST25DV
64K
C
- IE
6
D
3
Device type
ST25DV = Dynamic NFC/RFID tag based
on ISO 15693 and NFC T5T
Memory size
04K = 4 Kbits
16K = 16 Kbits
64K = 64 Kbits
Version
C
Device Features
IE = I2C and GPO open drain, fast transfer mode and energy harvesting
JF = I2C and GPO CMOS, fast transfer mode, energy harvesting and low power
mode
Device grade
6 = industrial: device tested with standard test flow over - 40 to 85 °C
8 = industrial device tested with standard test flow over -40 to 105 °C (UFDFPN8 and UFDFPN12
only) or over -40 to 125 °C (SO8N and TSSOP8 only, 105 °C only for RF interface)
Package
S = SO8N
T = TSSOP8
D = UFDFPN12
C = UFDFPN8
L = WLCSP (thin 10 balls) (Only for 04K version)
Capacitance
3 = 28.5 pF
Note:
DS13519 - Rev 4
Parts marked as “ES” or “E” are not yet qualified and therefore not approved for use in production. ST is
not responsible for any consequences resulting from such use. In no event will ST be liable for the customer
using any of these engineering samples in production. ST’s Quality department must be contacted prior to any
decision to use these engineering samples to run a qualification activity.
page 161/203
ST25DV04KC ST25DV16KC ST25DV64KC
Bit representation and coding for fast commands
Appendix A Bit representation and coding for fast commands
Data bits are encoded using Manchester coding, according to the following schemes. For the low data rate, same
subcarrier frequency or frequencies is/are used. In this case, the number of pulses is multiplied by 4 and all times
increase by this factor. For the Fast commands using one subcarrier, all pulse numbers and times are divided by
2.
A.1
Bit coding using one subcarrier
A.1.1
High data rate
For the fast commands, a logic 0 starts with four pulses at 423.75 kHz (fC/32) followed by an unmodulated time of
9.44 µs, as shown in Figure 92.
Figure 92. Logic 0, high data rate, fast commands
18.88 µs
For the Fast commands, a logic 1 starts with an unmodulated time of 9.44 µs followed by four pulses of 423.75
kHz (fC/32), as shown in Figure 93.
Figure 93. Logic 1, high data rate, fast commands
18.88 µs
A.1.2
Low data rate
For the Fast commands, a logic 0 starts with 16 pulses at 423.75 kHz (fC/32) followed by an unmodulated time of
37.76 µs, as shown in Figure 94.
Figure 94. Logic 0, low data rate, fast commands
75.52 µs
For the Fast commands, a logic 1 starts with an unmodulated time of 37.76 µs followed by 16 pulses at 423.75
kHz (fC/32), as shown in Figure 95.
DS13519 - Rev 4
page 162/203
ST25DV04KC ST25DV16KC ST25DV64KC
ST25DVxxKC to VCD frames
Figure 95. Logic 1, low data rate, fast commands
75.52 µs
Note:
For fast commands, bit coding using two subcarriers is not supported.
A.2
ST25DVxxKC to VCD frames
Frames are delimited by an SOF and an EOF. They are implemented using code violation. Unused options are
reserved for future use. For the low data rate, the same subcarrier frequency or frequencies is/are used. In this
case, the number of pulses is multiplied by 4. For the Fast commands using one subcarrier, all pulse numbers
and times are divided by 2.
A.3
SOF when using one subcarrier
A.3.1
High data rate
For the Fast commands, the SOF comprises an unmodulated time of 28.32 µs, followed by 12 pulses at 423.75
kHz (fC/32), and a logic 1 that consists of an unmodulated time of 9.44 µs followed by four pulses at 423.75 kHz,
as shown in Figure 96.
Figure 96. Start of frame, high data rate, one subcarrier, fast commands
56.64 µs
A.3.2
18.88 µs
Low data rate
For the Fast commands, the SOF comprises an unmodulated time of 113.28 µs, followed by 48 pulses at 423.75
kHz (fC/32), and a logic 1 that includes an unmodulated time of 37.76 µs followed by 16 pulses at 423.75 kHz, as
shown in Figure 97.
Figure 97. Start of frame, low data rate, one subcarrier, fast commands
226.56 µs
DS13519 - Rev 4
75.52 µs
page 163/203
ST25DV04KC ST25DV16KC ST25DV64KC
EOF when using one subcarrier
A.4
EOF when using one subcarrier
A.4.1
High data rate
For the Fast commands, the EOF comprises a logic 0 that includes four pulses at 423.75 kHz and an
unmodulated time of 9.44 µs, followed by 12 pulses at 423.75 kHz (fC/32) and an unmodulated time of 37.76
µs, as shown in Figure 98.
Figure 98. End of frame, high data rate, one subcarrier, fast commands
18.88 µs
A.4.2
56.64 µs
Low data rate
For the Fast commands, the EOF comprises a logic 0 that includes 16 pulses at 423.75 kHz and an unmodulated
time of 37.76 µs, followed by 48 pulses at 423.75 kHz (fC/32) and an unmodulated time of 113.28 µs, as shown in
Figure 99.
Figure 99. End of frame, low data rate, one subcarrier, fast commands
75.52 µs
Note:
DS13519 - Rev 4
226.56 µs
For SOF and EOF in fast commands, bit coding using two subcarriers is not supported.
page 164/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C sequences
Appendix B I²C sequences
B.1
Device select codes
Following table assumes default values for I2C_DEVICE_CODE[3:0] (1010b) and E0 (1b) bits. Device select
value should be adapted to I2C_DEVICE_CODE[3:0] and E0 values programmed into the I2C_CFG static register
if different from default factory values.
Table 266. Device select usage
Device select value
Hexadecimal
Binary
Comment
Device select generic
-
1010 E211 R/W
E2 = 0b User memory, Dynamic registers, FTM mailbox
E2 = 1b System memory
A6h
1010 0110b
User memory, Dynamic registers, FTM mailbox writing
A7h
1010 0111b
User memory, Dynamic registers, FTM mailbox reading
AEh
1010 1110b
System memory writing
AFh
1010 1111b
System memory reading
B.2
I²C Byte writing and polling
B.2.1
I²C byte write in user memory
Table 267. Byte Write in user memory when write operation allowed
Request/Response Frame
DS13519 - Rev 4
Master drives SDA
Slave drives SDA
Start A6h
-
-
ACK
ADDRESS_MSB
-
-
ACK
ADDRESS_LSB
-
-
ACK
DATA
-
-
ACK
Stop
-
Comment
Device select for writing
9th bit
Send Address MSB (1 Byte)
9th bit
Send Address LSB (1 Byte)
9th bit
Send Data (1 Byte)
9th bit
Start of Programming
page 165/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C Byte writing and polling
Table 268. Polling during programming after byte writing in user memory
Request/Response Frame
Comment
Master drives SDA
Slave drives SDA
Start A6h
-
Device select for writing
-
NoACK
9th bit Device Busy
Start A6h
-
Device select for writing
-
NoACK
9th bit Device Busy
...
...
... Device select for writing
...
...
... 9th bit Device Busy
Start A6h
-
Device select for writing
-
ACK
Stop
-
9th bit Device ready
Programing completed
End of Polling
Table 269. Byte Write in user memory when write operation is not allowed
Request/Response Frame
Master drives SDA
DS13519 - Rev 4
Slave drives SDA
Comment
Start A6h
-
Device select for writing
-
ACK
9th bit
ADDRESS_MSB
-
Send Address MSB (1 Byte)
-
ACK
9th bit
ADDRESS_LSB
-
Send Address LSB (1 Byte)
-
ACK
9th bit
DATA
-
Send Data
-
NoACK
9th bit: Write access not granted or FTM activated.
Stop
-
No Programming
Device return in Standby
page 166/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C Byte writing and polling
B.2.2
I²C byte writing in dynamic registers and polling
Table 270. Byte Write in Dynamic Register (if not Read Only)
Request/Response Frame
Master drives SDA
Slave drives SDA
Comment
Start A6h
-
Device select for writing
-
ACK
9th bit
ADDRESS_MSB
-
Send Address MSB (1 Byte)
-
ACK
9th bit
Dynamic Register ADDRESS_LSB
-
Send Address LSB (1 Byte)
Dynamic register are located from address
2000h to 2007h , some are only readable
-
ACK
9th bit
DATA
-
Send Data
-
ACK
9th bit
Stop
-
Immediate update of Dynamic register
Table 271. Polling during programming after byte write in Dynamic Register
Request/Response Frame
Master drives SDA
Slave drives SDA
Start A6h
-
-
ACK
Stop
-
Comment
Device select for writing
9th bit Device Busy
Dynamic register updates is immediate
End of Polling
Table 272. Byte Write in Dynamic Register if Read Only
Request/Response Frame
Master drives SDA
Slave drives SDA
Comment
Start A6h
-
Device select for writing
-
ACK
9th bit
20h
-
Send Address MSB (1 Byte)
-
NoACK
9th bit
Send Address LSB (1 Byte)
DS13519 - Rev 4
RO Dynamic Register ADDRESS_LSB -
Addresses 2001h, 2004h, 2005h and 2007h are Read Only
registers.
-
ACK
9th bit
DATA
-
Send Data
-
NoACK
9th bit
Stop
-
No Programming
Device return in Standby
page 167/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C Byte writing and polling
B.2.3
I2C byte write in mailbox and polling
Table 273. Byte Write in mailbox when mailbox is free from RF message and fast transfer mode is
activated
Request/Response Frame
Comment
Master drives SDA
Slave drives SDA
Start A6h
-
Device select for writing
-
ACK
9th bit
20h
-
Send mailbox address MSB (1 Byte)
-
ACK
9th bit
08h
-
-
ACK
9th bit
DATA
-
Send Data
-
ACK
9th bit
Stop
-
Immediate update of mailbox
Send Address LSB (1 Byte)
Write must be done at first address of mailbox
Table 274. Byte Write in mailbox when mailbox is not free from RF message fast transfer mode is not
activated
Request/Response Frame
DS13519 - Rev 4
Comment
Master drives SDA
Slave drives SDA
Start A6h
-
Device select for writing
-
ACK
9th bit
20h
-
Send mailbox address MSB (1 Byte)
-
ACK
9th bit
Send Address LSB (1 Byte)
08h
-
-
ACK
9th bit
DATA
-
Send Data
-
NoACK
Stop
-
Write must be done at first address of mailbox
9th bit Access
Mailbox busy or FTM not activated
No Programming
Device return in Standby
page 168/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C Byte writing and polling
B.2.4
I2C byte write and polling in system memory
Table 275. Byte Write in System memory if I2C security session is open and register is not RO
Request/Response Frame
Comment
Master drives SDA
Slave drives SDA
Start AEh
-
Device select for writing
-
ACK
9th bit
ADDRESS_MSB
-
Send Address MSB (1 Byte)
-
ACK
9th bit
ADDRESS_LSB
-
Send Address LSB (1 Byte)
-
ACK
9th bit
DATA
-
Send Data
-
ACK
9th bit
Stop
-
Start of Programming
Table 276. Polling during programing after byte write in System memory if I2C security session is open
and register is not RO
Request/Response Frame
DS13519 - Rev 4
Comment
Master drives SDA
Slave drives SDA
Start AEh
-
Device select for writing
-
NoACK
9th bit Device Busy
Start AEh
-
Device select for writing
-
NoACK
9th bit Device Busy
Start AEh
-
Device select for writing
-
...
9th bit
Start AEh
-
Device select for writing
-
ACK
Stop
-
9th bit Device ready
Programing completed
end of Polling
page 169/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C sequential writing and polling
Table 277. Byte Write in System memory if I2C security session is closed or register is RO
Request/Response Frame
Comment
Master drives SDA
Slave drives SDA
Start AEh
-
Device select for writing
-
ACK
9th bit
ADDRESS_MSB
-
Send Address MSB (1 Byte)
-
ACK
9th bit
ADDRESS_LSB
-
Send Address LSB (1 Byte)
-
ACK
9th bit
DATA
-
Send Data
-
NoACK
9th bit
Stop
-
B.3
I²C sequential writing and polling
B.3.1
I2C sequential write in user memory and polling
No Programming
Device return in Standby
Table 278. Sequential write User memory when write operation allowed and all bytes belong to same area
Request/Response Frame
DS13519 - Rev 4
Comment
Master drives SDA
Slave drives SDA
Start A6h
-
Device select for writing
-
ACK
9th bit
ADDRESS_MSB
-
Send Address MSB (1 Byte)
-
ACK
9th bit
ADDRESS_LSB
-
Send Address LSB (1 Byte)
-
ACK
9th bit
DATA 0
-
Send Data 0
-
ACK
9th bit
DATA 1
-
Send Data 1
-
ACK
9th bit
...
-
...
-
...
...
DATA n
-
-
ACK
9th bit
Stop
-
Start of Programming
Send Data n
n ≤ 256
page 170/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C sequential writing and polling
Table 279. Polling during programing after sequential write in User memory when write operation allowed
and all bytes belong to same area.
Request/Response Frame
Comment
Master drives SDA
Slave drives SDA
Start A6h
-
Device select for writing
-
NoACK
9th bit Device Busy
Start A6h
-
Device select for writing
-
NoACK
9th bit Device Busy
Start A6h
-
Device select for writing
-
...
9th bit Device Busy
Start A6h
-
Device select for writing
-
ACK
Stop
-
9th bit Device ready
Programing completed
End of Polling
Table 280. Sequential write in User memory when write operation allowed and crossing over area border
Request/Response Frame
DS13519 - Rev 4
Comment
Master drives SDA
Slave drives SDA
Start A6h
-
Device select for writing
-
ACK
9th bit
ADDRESS_MSB
-
Send Address MSB (1 Byte)
-
ACK
9th bit
ADDRESS_LSB
-
Send Address LSB (1 Byte)
-
ACK
9th bit
DATA 0
-
Send Data 0
-
ACK
9th bit
DATA 1
-
Send Data 1
-
ACK
9th bit
...
-
...
-
...
...
DATA n
-
-
NoACK
Stop
-
Send Data n
Address is located in next memory area
9th bit
No programming
Device return in Standby
page 171/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C sequential writing and polling
Table 281. Polling during programming after sequential write in User memory when write operation
allowed and crossing over area border
Master drives SDA
Slave drives SDA
Comment
Request/Response Frame
B.3.2
Start A6h
-
-
ACK
Stop
-
Device select for writing
9th bit Device ready
No programming
End of Polling
I2C sequential write in mailbox and polling
Table 282. Sequential write in mailbox when mailbox is free from RF message and fast transfer mode is
activated
Request/Response Frame
Comment
Master drives SDA
Slave drives SDA
Start A6h
-
Device select for writing
-
ACK
9th bit
ADDRESS_MSB
-
Send mailbox Address MSB (1 Byte)
-
ACK
9th bit
ADDRESS_LSB
-
Send mailbox Address LSB (1 Byte)
-
ACK
9th bit
DATA 0
-
Send Data 0
-
ACK
9th bit
DATA 1
-
Send Data 1
-
ACK
9th bit
...
-
...
-
...
...
DATA n
-
-
ACK
9th bit
Stop
-
Immediate mailbox content update
Send Data n
n ≤ 256
Table 283. Polling during programing after sequential write in mailbox
Request/Response Frame
DS13519 - Rev 4
Master drives SDA
Slave drives SDA
Start A6h
-
-
ACK
Stop
-
Comment
Device select for writing
9th bit Device ready
Mailbox is immediately updated
End of Polling
page 172/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C Read current address
B.4
I²C Read current address
B.4.1
I2C current address read in User memory
Table 284. Current byte Read in User memory if read operation allowed (depending on area protection and
RF user security session)
Request/Response Frame
Comment
Master drives SDA Slave drives SDA
Start A7h
-
Device select for reading
-
ACK
9th bit
DATA
Receive Data located on last pointed address+1, or at address 0 after power-up, in
user memory
NO_ACK
-
9th bit
Stop
-
End of Reading
Table 285. Current Read in User memory if read operation not allowed (depending on area protection and
RF user security session)
Request/Response Frame
Slave drives SDA
Start A7h
-
Device select for reading
-
ACK
9th bit
FFh
NO_ACK
Stop
DS13519 - Rev 4
Comment
Master drives SDA
Read of data not allowed
ST25DV release SDA
9th bit
-
End of Reading
page 173/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C random address read
B.5
I²C random address read
B.5.1
I2C random address read in user memory
Table 286. Random byte read in User memory if read operation allowed (depending on area protection and
RF user security session)
Request/Response Frame
Comment
Master drives SDA
Slave drives SDA
Start A6h
-
Device select for writing
-
ACK
9th bit
ADDRESS_MSB
-
Send Address MSB (1 Byte)
-
ACK
9th bit
ADDRESS_LSB
-
Send Address LSB (1 Byte)
-
ACK
9th bit
Start A7h
-
Device select for reading
-
ACK
9th bit
-
DATA
Receive Data
NO_ACK
-
9th bit
Stop
-
End of Reading
Table 287. Random byte read in User memory if operation not allowed (depending on area protection and
RF user security)
Request/Response Frame
DS13519 - Rev 4
Comment
Master drives SDA
Slave drives SDA
Start A6h
-
Device select for writing
-
ACK
9th bit
ADDRESS_MSB
-
Send Address MSB (1 Byte)
-
ACK
9th bit
ADDRESS_LSB
-
Send Address LSB (1 Byte)
-
ACK
9th bit
Start A7h
-
Device select for reading
-
ACK
9th bit
-
FFh
NO_ACK
-
9th bit
Stop
-
End of Reading
Read of data not allowed
release SDA
page 174/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C random address read
B.5.2
I2C Random address read in system memory
Table 288. Byte Read System memory (Static register or I2C Password after a valid Present I2C Password)
Request/Response Frame
B.5.3
Comment
Master drives SDA
Slave drives SDA
Start AEh
-
Device select for writing
-
ACK
9th bit
ADDRESS_MSB
-
Send Address MSB (1 Byte)
-
ACK
9th bit
ADDRESS_LSB
-
Send Address LSB (1 Byte)
-
ACK
9th bit
Start AFh
-
Device select for reading
-
ACK
9th bit
-
DATA
Receive Data
NO_ACK
-
9th bit
Stop
-
End of reading
I2C Random address read in dynamic registers
Table 289. Random byte read in Dynamic registers
Request/Response Frame
DS13519 - Rev 4
Comment
Master drives SDA
Slave drives SDA
Start A6h
-
Device select for writing
-
ACK
9th bit
20h
-
Send Address MSB (1 Byte)
-
ACK
9th bit
ADDRESS_LSB
-
Send Adress LSB (1 Byte)
-
ACK
9th bit
Start A7h
-
Device select for reading
-
ACK
9th bit
-
DATA
Receive Data
NO_ACK
-
9th bit
Stop
-
End of reading
page 175/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C sequential read
B.6
I²C sequential read
B.6.1
I2C sequential read in user memory
Table 290. Sequential Read User memory if read operation allowed (depending on area protection and RF
user security session) and all bytes belong to the same area
Request/Response Frame
DS13519 - Rev 4
Comment
Master drives SDA
Slave drives SDA
Start A6h
-
Device select for writing
-
ACK
9th bit
ADDRESS_MSB
-
Send Address MSB (1 Byte)
-
ACK
9th bit
ADDRESS_LSB
-
Send Address LSB (1 Byte)
-
ACK
9th bit
Start A7h0
-
Device select for reading
-
ACK
9th bit
-
DATA 0
Receive Data 0
ACK
-
9th bit
-
DATA 1
Receive Data 1
ACK
-
9th bit
-
...
...
...
-
...
-
DATA n
Receive Data n
NO_ACK
-
9th bit
Stop
-
End of Reading
page 176/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C sequential read
Table 291. Sequential Read User memory if read operation allowed (depending on area protection and RF
user security session) but crossing area border
Request/Response Frame
DS13519 - Rev 4
Comment
Master drives SDA
Slave drives SDA
Start A6h
-
Device select for writing
-
ACK
9th bit
ADDRESS_MSB
-
Send Address MSB (1 Byte)
-
ACK
9th bit
ADDRESS_LSB
-
Send Address LSB (1 Byte)
-
ACK
9th bit
Start A7h
-
Device select for reading
-
ACK
9th bit
-
DATA 0
Receive Data 0
ACK
-
9th bit
-
DATA 1
Receive Data 1
ACK
-
9th bit
-
...
...
...
-
...
-
DATA n
Receive Data last Address available
ACK
-
9th bit
-
FFh
ACK
-
9th bit
-
...
...
...
-
...
-
FFh
Stop
-
Data is located in next memory area
ST25DV release SDA
Data is located in next memory area
ST25DV release SDA
End of reading
page 177/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C sequential read
Table 292. Sequential Read User memory if read operation allowed (depending on area protection and RF
user security session)
Request/Response Frame
DS13519 - Rev 4
Comment
Master drives SDA
Slave drives SDA
Start A6h
-
Device select for writing
-
ACK
9th bit
ADDRESS_MSB
-
Send Address MSB (1 Byte)
-
ACK
9th bit
ADDRESS_LSB
-
Send Address LSB (1 Byte)
-
ACK
9th bit
Start A7h
-
Device select for reading
-
ACK
9th bit
-
FFh
ACK
-
9th bit
-
...
...
...
-
...
-
FFh
NO_ACK
-
9th bit
Stop
-
End of reading
ST25DV release SDA
Reading access not granted
ST25DV release SDA
Reading access not granted
page 178/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C sequential read
B.6.2
I2C sequential read in system memory
Table 293. Sequential in Read System memory (I2C security session open if reading I2C_PWD)
Request/Response Frame
DS13519 - Rev 4
Comment
Master drives SDA
Slave drives SDA
Start AEh
-
Device select for writing
-
ACK
9th bit
ADDRESS_MSB
-
Send Address MSB (1 Byte)
-
ACK
9th bit
ADDRESS_LSB
-
Send Address LSB (1 Byte)
-
ACK
9th bit
Start AF7h
-
Device select for reading
-
ACK
9th bit
-
DATA
Receive Data 0
ACK
-
9th bit
-
DATA
Receive Data 1
ACK
-
9th bit
-
...
...
...
-
...
-
DATA
Receive Data n
NO_ACK
-
9th bit
Stop
-
End of Reading
page 179/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C sequential read
Table 294. Sequential Read system memory when access is not granted (I2C password I2C_PWD)
Request/Response Frame
DS13519 - Rev 4
Comment
Master drives SDA
Slave drives SDA
Start AEh
-
Device select for writing
-
ACK
9th bit
90h
-
Send Address MSB (1 Byte)
-
ACK
9th bit
ADDRESS_LSB
-
Send Address LSB (1 Byte)
-
ACK
9th bit
Start AFh
-
Device select for reading
-
ACK
9th bit
-
DATA
Receive Data 0
-
FFh
ACK
-
9th bit
-
...
...
...
-
...
-
FFh
NO_ACK
-
9th bit
Stop
-
End of reading
ST25DV release SDA
Reading access is not granted
ST25DV release SDA
Reading access is not granted
page 180/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C sequential read
B.6.3
I2C sequential read in dynamic registers
Table 295. Sequential read in dynamic register
Request/Response Frame
Comment
Master drives SDA
Slave drives SDA
Start A6h
-
Device select for writing
-
ACK
9th bit
20h
-
Send Address MSB (1 Byte)
-
ACK
9th bit
Send Address LSB (1 Byte)
Dynamic register ADDRESS_LSB
-
Fynamic register are located form address
2000h to 2007
DS13519 - Rev 4
-
ACK
9th bit
Start A7h
-
Device select for reading
-
ACK
9th bit
-
DATA
Receive Data 0
ACK
-
9th bit
-
DATA
Receive Data 1
ACK
-
9th bit
-
...
...
...
-
...
-
Data
Receive Data n
NO_ACK
-
9th bit
Stop
-
End of reading
page 181/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C sequential read
Table 296. Sequential read in Dynamic register and mailbox continuously if fast transfer mode is activated
Request/Response Frame
Slave drives SDA
Start A6h
-
Device select for writing
-
ACK
9th bit
20h
-
Send Address MSB (1 Byte)
-
ACK
9th bit
Dynamic Register
ADDRESS_LSB
DS13519 - Rev 4
Comment
Master drives SDA
Send Address LSB (1 Byte)
-
Dynamic register are located from address
2000h to 2007h
-
ACK
9th bit
Start A7h
-
Device select for reading
-
ACK
9th bit
-
DATA 0
Receive Data 0
ACK
-
9th bit
-
DATA 1
Receive Data 1
ACK
-
9th bit
-
...
...
...
-
...
-
DATA n
ACK
-
9th bit
-
DATA n + 1
Mailbox byte 0
ACK
-
9th bit
-
DATA n + 2
Mailbox byte 1
ACK
-
9th bit
-
...
...
...
-
...
-
Data n + i
Mailbox byte i (i < 256)
NO_ACK
-
9th bit
Stop
-
End of reading
Receive Data n (n ≤ 8)
Last Dynamic register address 2007h
page 182/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C sequential read
B.6.4
I2C sequential read in mailbox
Table 297. Sequential in mailbox if fast transfer mode is activated
Request/Response Frame
DS13519 - Rev 4
Comment
Master drives SDA
Slave drives SDA
Start A6h
-
Device select for writing
-
ACK
9th bit
20h or 21h
-
-
ACK
ADDRESS_LSB
-
-
ACK
9th bit
Start A7h
-
Device select for reading
-
ACK
9th bit
-
DATA 0
Receive Data 0
ACK
-
9th bit
-
DATA 1
Receive Data 1
ACK
-
9th bit
-
...
...
...
-
...
-
Data n
Receive Data n
NO_ACK
-
9th bit
Stop
-
End of reading
Send Address MSB (1 Byte)
2007h < @ 2108h
9th bit
Send Address LSB (1 Byte)
2007h < @ 2108h
page 183/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C sequential read
Table 298. Sequential read in mailbox if fast transfer mode is not activated
Request/Response Frame
DS13519 - Rev 4
Comment
Master drives SDA
Slave drives SDA
Start A6h
-
Device select for writing
-
ACK
9th bit
20h or 21h
-
-
ACK
ADDRESS_LSB
-
-
ACK
9th bit
Start A7h
-
Device select for reading
-
ACK
9th bit
-
FFh
release SDA
ACK
-
9th bit
-
FFh
release SDA
ACK
-
9th bit
Send Address MSB (1 Byte)
2007h < @ 2108h
9th bit
Send Address LSB (1 Byte)
2007h < @ 2108h
-
...
...
...
-
...
-
FFh
release SDA
NO_ACK
-
9th bit
Stop
-
End of reading
page 184/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C password relative sequences
B.7
I²C password relative sequences
B.7.1
I2C write password
Table 299. Write Password when I2C security session is already open and fast transfer mode is not
activated
Request/Response Frame
DS13519 - Rev 4
Comment
Master drives SDA
Slave drives SDA
Start AEh
-
Device select for writing
-
ACK
9th bit
09h
-
Send I2C_PWD MSB address
-
ACK
9th bit
00h
-
Send I2C_PWD LSB address
-
ACK
9th bit
I2C_PWD_BYTE_7
-
Send I2C_PWD MSB
-
ACK
9th bit
I2C_PWD_BYTE_6
DATA 0
Send Data
-
ACK
9th bit
...
-
...
-
...
...
I2C_PWD_BYTE_0
-
Send I2C_PWD LSB
-
ACK
9th bit
07h
-
Write password command
-
ACK
9th bit
I2C_PWD_BYTE_7
-
Send I2C_PWD MSB
-
ACK
9th bit
I2C_PWD_BYTE_6
DATA 0
Send Data
-
ACK
9th bit
...
-
...
-
...
...
I2C_PWD_BYTE_0
-
Send I2C_PWD LSB
-
ACK
9th bit
Stop
-
Start of I2C password programming
page 185/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C password relative sequences
Table 300. Write Password when I2C security session is not open or fast transfer mode activated
Request/Response Frame
DS13519 - Rev 4
Comment
Master drives SDA
Slave drives SDA
Start AEh
-
Device select for writing
-
ACK
9th bit
09h
-
Send I2C_PWD MSB address
-
ACK
9th bit
00h
-
Send I2C_PWD LSB address
-
NoACK
9th bit
Stop
-
No PWD Programming
Device return in Standby
page 186/203
ST25DV04KC ST25DV16KC ST25DV64KC
I²C password relative sequences
B.7.2
I2C present password
Table 301. Present Password (whatever status of I2C security session or fast transfer mode)
Request/Response Frame
DS13519 - Rev 4
Comment
Master drives SDA
Slave drives SDA
Start AEh
-
Device select for writing
-
ACK
9th bit
09h
-
Send I2C_PWD MSB address
-
ACK
9th bit
00h
-
Send I2C_PWD LSB address
-
ACK
9th bit
I2C_PWD_BYTE_7
-
Send I2C_PWD MSB
-
ACK
9th bit
I2C_PWD_BYTE_6
DATA 0
Send Data
-
ACK
9th bit
...
-
...
-
...
...
I2C_PWD_BYTE_0
-
Send I2C_PWD LSB
-
ACK
9th bit
09h
-
Present password command
-
ACK
9th bit
I2C_PWD_BYTE_7
-
Send I2C_PWD MSB
-
ACK
9th bit
I2C_PWD_BYTE_6
-
Send Data
-
ACK
9th bit
...
-
...
-
...
...
I2C_PWD_BYTE_0
-
Send I2C_PWD LSB
-
ACK
9th bit
Stop
-
ST25DV with active I2C_PWD.
Result is immediate.
page 187/203
ST25DV04KC ST25DV16KC ST25DV64KC
Revision history
Table 302. Document revision history
Date
Revision
Changes
23-Jun-2021
1
Initial release.
22-Jul-2021
2
Modified the title of the document.
Added WLCSP10 package
Updated:
09-Feb-2022
3
•
Features
•
Section 1.1 ST25DVxxKC block diagram
•
Section 1.2 ST25DVxxKC packaging
•
Section 2.2.2 Low power down (LPD)
•
Section 2.4.1 Driver supply voltage (VDCG)
•
Section 2.4.2 General purpose output (GPO)
Updated:
22-Jul-2022
DS13519 - Rev 4
4
•
Features
•
Figure 15. I²C “RFSwitchOff” command
•
Figure 16. I²C “RFSwitchOn” commandSection 6.3 Device addressing
•
Figure 81. I2C AC waveforms
•
Section 10.1 SO8N package information
•
Section 10.2 TSSOP8 package information
•
Table 265. Ordering information scheme
page 188/203
ST25DV04KC ST25DV16KC ST25DV64KC
Contents
Contents
1
2
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
1.1
ST25DVxxKC block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2
ST25DVxxKC packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Signal descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1
2.2
2.3
Serial link (SCL, SDA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1.1
Serial clock (SCL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1.2
Serial data (SDA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Power control (VCC, LPD, VSS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.2.1
Supply voltage (VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.2.2
Low power down (LPD). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.2.3
Ground (VSS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
RF link (AC0 AC1). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.3.1
2.4
2.5
3
4
Process control (VDCG, GPO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.4.1
Driver supply voltage (VDCG). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.4.2
General purpose output (GPO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Energy harvesting analog output (V_EH). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Power management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
3.1
Wired interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.2
Contactless interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Memory management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
4.1
Memory organization overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.2
User memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.2.1
5
Antenna coil (AC0, AC1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
User memory areas. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.3
System configuration area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4.4
Dynamic configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.5
Fast transfer mode mailbox . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
ST25DVxxKC specific features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
5.1
Fast transfer mode (FTM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5.1.1
DS13519 - Rev 4
Fast transfer mode registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
page 189/203
ST25DV04KC ST25DV16KC ST25DV64KC
Contents
5.1.2
5.2
5.3
RF management feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
5.2.1
RF management registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
5.2.2
RF management feature description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Interface arbitration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5.3.1
5.4
5.5
5.6
5.7
6
Fast transfer mode usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Interface Arbitration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
GPO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5.4.1
ST25DVxxKC interrupt capabilities on RF events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5.4.2
ST25DVxxKC interrupt capabilities on I2C events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
5.4.3
GPO and power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
5.4.4
GPO registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
5.4.5
Configuring GPO. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Energy harvesting (EH) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
5.5.1
Energy harvesting registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
5.5.2
Energy harvesting feature description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
5.5.3
EH delivery state diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
5.5.4
EH delivery sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Data protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
5.6.1
Data protection registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
5.6.2
Passwords and security sessions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
5.6.3
User memory protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
5.6.4
System memory protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Device parameter registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
I²C operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
6.1
6.2
DS13519 - Rev 4
I²C protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
6.1.1
Start condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
6.1.2
Stop condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
6.1.3
Acknowledge bit (ACK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
6.1.4
Data input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
I²C timeout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
6.2.1
I2C timeout on Start condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
6.2.2
I2C timeout on clock period . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
page 190/203
ST25DV04KC ST25DV16KC ST25DV64KC
Contents
6.3
Device addressing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
6.4
I²C Write operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
6.5
6.6
7
6.4.1
I2C Byte write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
6.4.2
I2C Sequential write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
6.4.3
Minimizing system delays by polling on ACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
I²C read operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
6.5.1
Random address read. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
6.5.2
Current address read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
6.5.3
Sequential read access. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
6.5.4
Acknowledge in read mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
I²C password management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
6.6.1
I2C present password command description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
6.6.2
I2C write password command description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
RF operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
7.1
RF communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
7.1.1
Access to a ISO/IEC 15693 device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
7.2
RF communication and energy harvesting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
7.3
Fast transfer mode mailbox access in RF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
7.4
RF protocol description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
7.4.1
Protocol description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
7.4.2
ST25DVxxKC states referring to RF protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
7.4.3
Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
7.4.4
Request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
7.4.5
Request flags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
7.4.6
Response format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
7.4.7
Response flags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
7.4.8
Response and error code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
7.5
Timing definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
7.6
RF commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
DS13519 - Rev 4
7.6.1
RF command code list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
7.6.2
Command codes list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
7.6.3
General command rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
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Contents
DS13519 - Rev 4
7.6.4
Inventory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
7.6.5
Stay Quiet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
7.6.6
Read Single Block. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
7.6.7
Extended Read Single Block. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
7.6.8
Write Single Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
7.6.9
Extended Write Single Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
7.6.10
Lock Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
7.6.11
Extended Lock block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
7.6.12
Read Multiple Blocks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
7.6.13
Extended Read Multiple Blocks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
7.6.14
Write Multiple Blocks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
7.6.15
Extended Write Multiple Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
7.6.16
Select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
7.6.17
Reset to Ready . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
7.6.18
Write AFI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
7.6.19
Lock AFI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
7.6.20
Write DSFID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
7.6.21
Lock DSFID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
7.6.22
Get System Info . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
7.6.23
Extended Get System Info . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
7.6.24
Get Multiple Block Security Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
7.6.25
Extended Get Multiple Block Security Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
7.6.26
Read Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
7.6.27
Write Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
7.6.28
Read Dynamic Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
7.6.29
Write Dynamic Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
7.6.30
Manage GPO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
7.6.31
Write Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
7.6.32
Read Message Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
7.6.33
Read Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
7.6.34
Fast Read Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
7.6.35
Write Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
7.6.36
Present Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
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Contents
7.6.37
Fast Read Single Block. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
7.6.38
Fast Extended Read Single Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
7.6.39
Fast Read Multiple Blocks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
7.6.40
Fast Extended Read Multiple Block. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
7.6.41
Fast Write Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
7.6.42
Fast Read Message Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
7.6.43
Fast Read Dynamic Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
7.6.44
Fast Write Dynamic Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
8
Unique identifier (UID) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
9
Device parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
10
11
9.1
Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
9.2
I²C DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
9.3
GPO characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
9.4
RF electrical parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
9.5
Thermal characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Package information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
10.1
SO8N package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
10.2
TSSOP8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
10.3
UFDFN8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
10.4
WLCSP10 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
10.5
UFDFPN12 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Appendix A Bit representation and coding for fast commands . . . . . . . . . . . . . . . . . . . . . . 162
A.1
Bit coding using one subcarrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
A.1.1
High data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
A.1.2
Low data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
A.2
ST25DVxxKC to VCD frames . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
A.3
SOF when using one subcarrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
A.4
DS13519 - Rev 4
A.3.1
High data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
A.3.2
Low data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
EOF when using one subcarrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
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A.4.1
High data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
A.4.2
Low data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Appendix B I²C sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
B.1
Device select codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
B.2
I²C Byte writing and polling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
B.3
B.4
B.2.1
I²C byte write in user memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
B.2.2
I²C byte writing in dynamic registers and polling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
B.2.3
I2C byte write in mailbox and polling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
B.2.4
I2C byte write and polling in system memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
I²C sequential writing and polling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
B.3.1
I2C sequential write in user memory and polling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
B.3.2
I2C sequential write in mailbox and polling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
I²C Read current address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
B.4.1
B.5
B.6
B.7
I2C current address read in User memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
I²C random address read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
B.5.1
I2C random address read in user memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
B.5.2
I2C Random address read in system memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
B.5.3
I2C Random address read in dynamic registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
I²C sequential read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
B.6.1
I2C sequential read in user memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
B.6.2
I2C sequential read in system memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
B.6.3
I2C sequential read in dynamic registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
B.6.4
I2C sequential read in mailbox . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
I²C password relative sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
B.7.1
I2C write password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
B.7.2
I2C present password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
DS13519 - Rev 4
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List of tables
List of tables
Table 1.
Table 2.
Table 3.
8-pin packages signal names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
10-pin packages signal names. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
12-pin packages signal names. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Table 4.
Table 5.
Table 6.
Table 7.
Table 8.
Table 9.
Table 10.
Table 11.
Table 12.
Table 13.
Table 14.
Table 15.
Table 16.
Table 17.
Table 18.
Table 19.
Table 20.
Table 21.
Table 22.
Table 23.
Table 24.
Table 25.
Table 26.
Table 27.
Table 28.
Table 29.
Table 30.
Table 31.
Table 32.
Table 33.
Table 34.
Table 35.
Table 36.
Table 37.
Table 38.
Table 39.
Table 40.
Table 41.
Table 42.
Table 43.
Table 44.
Table 45.
Table 46.
Table 47.
Table 48.
Table 49.
Table 50.
Table 51.
Table 52.
User memory as seen by RF and by I2C . . . . . . . . . . . . . . . . . . . .
Maximum user memory block and byte addresses and ENDAi value.
Areas and limit calculation from ENDAi registers . . . . . . . . . . . . . .
ENDA1 access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ENDA1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ENDA2 access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ENDA2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ENDA3 access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ENDA3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System configuration memory map . . . . . . . . . . . . . . . . . . . . . . .
Dynamic registers memory map. . . . . . . . . . . . . . . . . . . . . . . . . .
Fast transfer mode mailbox memory map . . . . . . . . . . . . . . . . . . .
FTM access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FTM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MB_CTRL_Dyn access. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MB_CTRL_Dyn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MB_LEN_Dyn access. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MB_LEN_Dyn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RF_MNGT access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RF_MNGT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RF_MNGT_Dyn access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RF_MNGT_Dyn. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RF modes summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RF modes configuration bits and effect on RF requests. . . . . . . . . .
FIELD_CHANGE when RF is disabled or in sleep of off mode . . . . .
GPO interrupt capabilities in function of RF field and VCC . . . . . . . .
GPO1 access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GPO1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GPO2 access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GPO2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GPO_CTRL_Dyn access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GPO_CTRL_Dyn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IT_STS_Dyn access. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IT_STS_Dyn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Enabling or disabling GPO interruptions . . . . . . . . . . . . . . . . . . . .
EH_MODE access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EH_MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EH_CTRL_Dyn access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EH_CTRL_Dyn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Energy harvesting at power-up . . . . . . . . . . . . . . . . . . . . . . . . . .
RFA1SS access. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RFA1SS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RFA2SS access. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RFA2SS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RFA3SS access. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RFA3SS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RFA4SS access. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RFA4SS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I2CSS access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DS13519 - Rev 4
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13
15
15
17
17
17
17
17
18
18
20
21
23
23
23
24
24
24
28
28
28
28
30
30
37
43
43
44
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51
52
52
52
52
53
53
53
54
page 195/203
ST25DV04KC ST25DV16KC ST25DV64KC
List of tables
Table 53.
Table 54.
Table 55.
Table 56.
Table 57.
Table 58.
Table 59.
Table 60.
Table 61.
Table 62.
Table 63.
Table 64.
Table 65.
Table 66.
Table 67.
Table 68.
Table 69.
Table 70.
Table 71.
Table 72.
Table 73.
Table 74.
Table 75.
Table 76.
Table 77.
Table 78.
Table 79.
Table 80.
Table 81.
Table 82.
Table 83.
Table 84.
Table 85.
Table 86.
Table 87.
Table 88.
Table 89.
Table 90.
Table 91.
Table 92.
Table 93.
Table 94.
Table 95.
Table 96.
Table 97.
Table 98.
Table 99.
Table 100.
Table 101.
Table 102.
Table 103.
Table 104.
Table 105.
Table 106.
I2CSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LOCK_CCFILE access . . . . . . . . . . . . . . . . . . . . . .
LOCK_CCFILE . . . . . . . . . . . . . . . . . . . . . . . . . . .
LOCK_CFG access . . . . . . . . . . . . . . . . . . . . . . . .
LOCK_CFG . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I2C_PWD access. . . . . . . . . . . . . . . . . . . . . . . . . .
I2C_PWD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RF_PWD_0 access . . . . . . . . . . . . . . . . . . . . . . . .
RF_PWD_0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RF_PWD_1 access . . . . . . . . . . . . . . . . . . . . . . . .
RF_PWD_1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RF_PWD_2 access . . . . . . . . . . . . . . . . . . . . . . . .
RF_PWD_2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RF_PWD_3 access . . . . . . . . . . . . . . . . . . . . . . . .
RF_PWD_3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I2C_SSO_Dyn access . . . . . . . . . . . . . . . . . . . . . .
I2C_SSO_Dyn. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Security session type . . . . . . . . . . . . . . . . . . . . . . .
LOCK_DSFID access. . . . . . . . . . . . . . . . . . . . . . .
LOCK_DSFID . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LOCK_AFI access . . . . . . . . . . . . . . . . . . . . . . . . .
LOCK_AFI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DSFID access . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DSFID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AFI access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AFI. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MEM_SIZE access. . . . . . . . . . . . . . . . . . . . . . . . .
MEM_SIZE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLK_SIZE access . . . . . . . . . . . . . . . . . . . . . . . . .
BLK_SIZE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IC_REF access . . . . . . . . . . . . . . . . . . . . . . . . . . .
IC_REF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UID access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IC_REV access . . . . . . . . . . . . . . . . . . . . . . . . . . .
IC_REV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Device select code . . . . . . . . . . . . . . . . . . . . . . . . .
I2C_CFG access . . . . . . . . . . . . . . . . . . . . . . . . . .
I2C_CFG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating modes . . . . . . . . . . . . . . . . . . . . . . . . . .
Address most significant byte . . . . . . . . . . . . . . . . .
Address least significant byte . . . . . . . . . . . . . . . . .
ST25DVxxKC response depending on Request_flags.
General request format . . . . . . . . . . . . . . . . . . . . . .
Definition of request flags 1 to 4 . . . . . . . . . . . . . . . .
Request flags 5 to 8 when inventory_flag, Bit 3 = 0. . .
Request flags 5 to 8 when inventory_flag, Bit 3 = 1. . .
General response format . . . . . . . . . . . . . . . . . . . .
Definitions of response flags 1 to 8. . . . . . . . . . . . . .
Response error code definition . . . . . . . . . . . . . . . .
Timing values . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Command codes . . . . . . . . . . . . . . . . . . . . . . . . . .
Inventory request format . . . . . . . . . . . . . . . . . . . . .
Inventory response format. . . . . . . . . . . . . . . . . . . .
DS13519 - Rev 4
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54
55
55
55
55
56
56
56
56
57
57
57
57
58
58
58
58
59
63
63
63
63
64
64
64
64
64
65
65
65
65
65
66
66
66
66
69
69
69
70
70
70
79
80
81
81
81
82
82
83
84
86
87
87
page 196/203
ST25DV04KC ST25DV16KC ST25DV64KC
List of tables
Table 107.
Table 108.
Table 109.
Table 110.
Table 111.
Table 112.
Table 113.
Table 114.
Table 115.
Table 116.
Table 117.
Table 118.
Table 119.
Table 120.
Table 121.
Table 122.
Table 123.
Table 124.
Table 125.
Table 126.
Table 127.
Table 128.
Table 129.
Table 130.
Table 131.
Table 132.
Table 133.
Table 134.
Table 135.
Table 136.
Table 137.
Table 138.
Table 139.
Table 140.
Table 141.
Table 142.
Table 143.
Table 144.
Table 145.
Table 146.
Table 147.
Table 148.
Table 149.
Table 150.
Table 151.
Table 152.
Table 153.
Table 154.
Table 155.
Table 156.
Table 157.
Table 158.
Table 159.
Table 160.
Stay Quiet request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Read Single Block request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Read Single Block response format when Error_flag is NOT set. . . . . . . . .
Block security status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Read Single Block response format when Error_flag is set . . . . . . . . . . . .
Extended Read Single Block request format . . . . . . . . . . . . . . . . . . . . . .
Extended Read Single Block response format when Error_flag is NOT set .
Block security status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Extended Read Single Block response format when Error_flag is set . . . . .
Write Single Block request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Write Single Block response format when Error_flag is NOT set. . . . . . . . .
Write Single Block response format when Error_flag is set . . . . . . . . . . . .
Extended Write Single request format. . . . . . . . . . . . . . . . . . . . . . . . . . .
Extended Write Single response format when Error_flag is NOT set . . . . . .
Extended Write Single response format when Error_flag is set. . . . . . . . . .
Lock block request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lock block response format when Error_flag is NOT set . . . . . . . . . . . . . .
Lock block response format when Error_flag is set . . . . . . . . . . . . . . . . . .
Extended Lock block request format . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Extended Lock block response format when Error_flag is NOT set . . . . . . .
Extended Lock block response format when Error_flag is set. . . . . . . . . . .
Read Multiple Block request format . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Read Multiple Block response format when Error_flag is NOT set . . . . . . .
Block security status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Read Multiple Block response format when Error_flag is set . . . . . . . . . . .
Extended Read Multiple Block request format . . . . . . . . . . . . . . . . . . . . .
Extended Read Multiple Block response format when Error_flag is NOT set
Block security status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Extended Read Multiple Block response format when Error_flag is set . . . .
Write Multiple Block request format . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Write Multiple Block response format when Error_flag is NOT set. . . . . . . .
Write Multiple Block response format when Error_flag is set . . . . . . . . . . .
Extended Write Multiple Block request format . . . . . . . . . . . . . . . . . . . . .
Extended Write Multiple Block response format when Error_flag is NOT set
Extended Write Multiple Block response format when Error_flag is set . . . .
Select request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Select Block response format when Error_flag is NOT set . . . . . . . . . . . . .
Select response format when Error_flag is set . . . . . . . . . . . . . . . . . . . . .
Reset to Ready request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reset to Ready response format when Error_flag is NOT set. . . . . . . . . . .
Reset to ready response format when Error_flag is set . . . . . . . . . . . . . . .
Write AFI request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Write AFI response format when Error_flag is NOT set . . . . . . . . . . . . . . .
Write AFI response format when Error_flag is set . . . . . . . . . . . . . . . . . . .
Lock AFI request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lock AFI response format when Error_flag is NOT set . . . . . . . . . . . . . . .
Lock AFI response format when Error_flag is set . . . . . . . . . . . . . . . . . . .
Write DSFID request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Write DSFID response format when Error_flag is NOT set. . . . . . . . . . . . .
Write DSFID response format when Error_flag is set . . . . . . . . . . . . . . . .
Lock DSFID request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lock DSFID response format when Error_flag is NOT set . . . . . . . . . . . . .
Lock DSFID response format when Error_flag is set . . . . . . . . . . . . . . . . .
Get System Info request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DS13519 - Rev 4
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page 197/203
ST25DV04KC ST25DV16KC ST25DV64KC
List of tables
Table 161.
Table 162.
Table 163.
Table 164.
Table 165.
Table 166.
Table 167.
Table 168.
Table 169.
Table 170.
Table 171.
Table 172.
Table 173.
Table 174.
Table 175.
Table 176.
Table 177.
Table 178.
Table 179.
Table 180.
Table 181.
Table 182.
Table 183.
Table 184.
Table 185.
Table 186.
Table 187.
Table 188.
Table 189.
Table 190.
Table 191.
Table 192.
Table 193.
Table 194.
Table 195.
Table 196.
Table 197.
Table 198.
Table 199.
Table 200.
Table 201.
Table 202.
Table 203.
Table 204.
Table 205.
Table 206.
Table 207.
Table 208.
Table 209.
Table 210.
Table 211.
Table 212.
Table 213.
Table 214.
Get System Info response format Error_flag is NOT set . . . . . . . . . . . . . . . . . . . . . . .
Memory size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Get System Info response format when Error_flag is set . . . . . . . . . . . . . . . . . . . . . . .
Extended Get System Info request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parameter request list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Extended Get System Info response format when Error_flag is NOT set . . . . . . . . . . . .
Response Information Flag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Response other field: ST25DVxxKC VICC memory size . . . . . . . . . . . . . . . . . . . . . . .
Response other field: ST25DVxxKC IC Ref . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Response other field: ST25DVxxKC VICC command list . . . . . . . . . . . . . . . . . . . . . . .
Response other field: ST25DVxxKC VICC command list Byte 1 . . . . . . . . . . . . . . . . . .
Response other field: ST25DVxxKC VICC command list Byte 2 . . . . . . . . . . . . . . . . . .
Response other field: ST25DVxxKC VICC command list Byte 3 . . . . . . . . . . . . . . . . . .
Response other field: ST25DVxxKC VICC command list Byte 4 . . . . . . . . . . . . . . . . . .
Extended Get System Info response format when Error_flag is set . . . . . . . . . . . . . . . .
Get Multiple Block Security Status request format . . . . . . . . . . . . . . . . . . . . . . . . . . .
Get Multiple Block Security Status response format when Error_flag is NOT set. . . . . . .
Block security status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Get Multiple Block Security Status response format when Error_flag is set . . . . . . . . . .
Extended Get Multiple Block Security Status request format . . . . . . . . . . . . . . . . . . . .
Extended Get Multiple Block Security Status response format when Error_flags NOT set
Block security status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Extended Get Multiple Block Security Status response format when Error_flag is set . . .
Read Configuration request format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Read Configuration response format when Error_flag is NOT set . . . . . . . . . . . . . . . . .
Read Configuration response format when Error_flag is set. . . . . . . . . . . . . . . . . . . . .
Write Configuration request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Write Configuration response format when Error_flag is NOT set . . . . . . . . . . . . . . . . .
Write configuration response format when Error_flag is set . . . . . . . . . . . . . . . . . . . . .
Read Dynamic Configuration request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Read Dynamic Configuration response format when Error_flag is NOT set . . . . . . . . . .
Read Dynamic Configuration response format when Error_flag is set . . . . . . . . . . . . . .
Write Dynamic Configuration request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Write Dynamic Configuration response format when Error_flag is NOT set . . . . . . . . . .
Write Dynamic Configuration response format when Error_flag is set . . . . . . . . . . . . . .
Manage GPO request format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GPOVAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manage GPO response format when Error_flag is NOT set . . . . . . . . . . . . . . . . . . . . .
ManageGPO response format when Error_flag is set . . . . . . . . . . . . . . . . . . . . . . . . .
Write Message request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Write Message response format when Error_flag is NOT set . . . . . . . . . . . . . . . . . . . .
Write Message response format when Error_flag is set . . . . . . . . . . . . . . . . . . . . . . . .
Read Message Length request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Read Message Length response format when Error_flag is NOT set. . . . . . . . . . . . . . .
Read Message Length response format when Error_flag is set . . . . . . . . . . . . . . . . . .
Read Message request format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Read Message response format when Error_flag is NOT set . . . . . . . . . . . . . . . . . . . .
Fast Read Message request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fast Read Message response format when Error_flag is NOT set . . . . . . . . . . . . . . . .
Write Password request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Write Password response format when Error_flag is NOT set . . . . . . . . . . . . . . . . . . .
Write Password response format when Error_flag is set . . . . . . . . . . . . . . . . . . . . . . .
Present Password request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Present Password response format when Error_flag is NOT set. . . . . . . . . . . . . . . . . .
DS13519 - Rev 4
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108
108
108
109
.110
.110
.111
.111
.111
.111
.112
.112
.112
.113
.113
.114
.114
.114
.114
.115
.115
.115
.115
.117
.117
.117
.118
.118
.118
.119
.119
.119
120
120
120
121
121
122
122
122
123
123
124
124
124
125
125
126
126
127
127
127
128
128
page 198/203
ST25DV04KC ST25DV16KC ST25DV64KC
List of tables
Table 215.
Table 216.
Table 217.
Table 218.
Table 219.
Table 220.
Table 221.
Table 222.
Table 223.
Table 224.
Table 225.
Table 226.
Table 227.
Table 228.
Table 229.
Table 230.
Table 231.
Table 232.
Table 233.
Table 234.
Table 235.
Table 236.
Table 237.
Table 238.
Table 239.
Table 240.
Table 241.
Table 242.
Table 243.
Table 244.
Table 245.
Table 246.
Table 247.
Table 248.
Table 249.
Present Password response format when Error_flag is set . . . . . . . . . . . . . . . .
Fast Read Single Block request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fast Read Single Block response format when Error_flag is NOT set . . . . . . . . .
Block security status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fast Read Single Block response format when Error_flag is set . . . . . . . . . . . . .
Fast Extended Read Single Block request format . . . . . . . . . . . . . . . . . . . . . . .
Fast Extended Read Single Block response format when Error_flag is NOT set . .
Block security status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fast Extended Read Single Block response format when Error_flag is set. . . . . .
Fast Read Multiple Block request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fast Read Multiple Block response format when Error_flag is NOT set . . . . . . . .
Block security status if Option_flag is set. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fast Read Multiple Block response format when Error_flag is set . . . . . . . . . . . .
Fast Extended Read Multiple Block request format. . . . . . . . . . . . . . . . . . . . . .
Fast Extended Read Multiple Block response format when Error_flag is NOT set .
Block security status if Option_flag is set. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fast Read Multiple Block response format when Error_flag is set . . . . . . . . . . . .
Fast Write Message request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fast Write Message response format when Error_flag is NOT set . . . . . . . . . . .
Fast Write Message response format when Error_flag is set . . . . . . . . . . . . . . .
Fast Read Message Length request format . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fast Read Message Length response format when Error_flag is NOT set . . . . . .
Fast Read Message Length response format when Error_flag is set . . . . . . . . . .
Fast Read Dynamic configuration request format . . . . . . . . . . . . . . . . . . . . . . .
Fast Read Dynamic configuration response format when Error_flag is NOT set . .
Fast Read Dynamic configuration response format when Error_flag is set . . . . . .
Fast Write Dynamic Configuration request format. . . . . . . . . . . . . . . . . . . . . . .
Fast Write Dynamic Configuration response format when Error_flag is NOT set . .
Fast Write Dynamic Configuration response format when Error_flag is set. . . . . .
UID format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I²C operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AC test measurement conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I²C DC characteristics up to 85 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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129
129
129
130
130
130
131
131
131
132
132
132
132
133
134
134
134
135
135
135
136
136
136
137
137
137
138
138
139
140
141
142
142
142
143
Table 250. I2C DC characteristics up to 125 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Table 251. I2C AC characteristics up to 85 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Table 252.
Table 253.
Table 254.
Table 255.
Table 256.
Table 257.
Table 258.
Table 259.
Table 260.
Table 261.
Table 262.
Table 263.
Table 264.
Table 265.
Table 266.
Table 267.
Table 268.
I2C AC characteristics up to 125 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GPO DC characteristics up to 85 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GPO DC characteristics up to 125 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GPO AC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RF characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SO8N – Mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TSSOP8 – Mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UFDFN8 - Mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WLCSP - 10 balls, 1.649x1.483 mm, 0.4 mm pitch, wafer level chip scale mechanical data .
WLCSP10 recommended PCB design rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UFDFPN12 - Mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ordering information scheme. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Device select usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Byte Write in user memory when write operation allowed . . . . . . . . . . . . . . . . . . . . . . . .
Polling during programming after byte writing in user memory . . . . . . . . . . . . . . . . . . . . .
DS13519 - Rev 4
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147
149
149
149
150
151
151
153
154
157
158
159
160
161
165
165
166
page 199/203
ST25DV04KC ST25DV16KC ST25DV64KC
List of tables
Table 269.
Table 270.
Table 271.
Table 272.
Table 273.
Table 274.
Byte Write in user memory when write operation is not allowed . . . . . . . . . . . . . . . . . . . . . . . . . .
Byte Write in Dynamic Register (if not Read Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Polling during programming after byte write in Dynamic Register . . . . . . . . . . . . . . . . . . . . . . . . .
Byte Write in Dynamic Register if Read Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Byte Write in mailbox when mailbox is free from RF message and fast transfer mode is activated . .
Byte Write in mailbox when mailbox is not free from RF message fast transfer mode is not activated
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166
167
167
167
168
168
Table 275. Byte Write in System memory if I2C security session is open and register is not RO . . . . . . . . . . . . . . . . . . . . 169
Table 276. Polling during programing after byte write in System memory if I2C security session is open and register is not RO
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Table 277. Byte Write in System memory if I2C security session is closed or register is RO . . . . . . . . . . . . . . . . . . . . . . . 170
Table 278. Sequential write User memory when write operation allowed and all bytes belong to same area. . . . . . . . . . . . 170
Table 279. Polling during programing after sequential write in User memory when write operation allowed and all bytes belong
to same area. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Table 280. Sequential write in User memory when write operation allowed and crossing over area border. . . . . . . . . . . . . 171
Table 281. Polling during programming after sequential write in User memory when write operation allowed and crossing over
area border . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Table 282. Sequential write in mailbox when mailbox is free from RF message and fast transfer mode is activated . . . . . . 172
Table 283. Polling during programing after sequential write in mailbox . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Table 284. Current byte Read in User memory if read operation allowed (depending on area protection and RF user security
session) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Table 285. Current Read in User memory if read operation not allowed (depending on area protection and RF user security
session) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Table 286. Random byte read in User memory if read operation allowed (depending on area protection and RF user security
session) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Table 287. Random byte read in User memory if operation not allowed (depending on area protection and RF user security)174
Table 288. Byte Read System memory (Static register or I2C Password after a valid Present I2C Password) . . . . . . . . . .
Table 289. Random byte read in Dynamic registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 290. Sequential Read User memory if read operation allowed (depending on area protection and RF user security
session) and all bytes belong to the same area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 291. Sequential Read User memory if read operation allowed (depending on area protection and RF user security
session) but crossing area border . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 292. Sequential Read User memory if read operation allowed (depending on area protection and RF user security
session) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. 175
. 175
. 176
. 177
. 178
Table 293. Sequential in Read System memory (I2C security session open if reading I2C_PWD) . . . . . . . . . . . . . . . . . . . 179
Table 294.
Table 295.
Table 296.
Table 297.
Table 298.
Sequential Read system memory when access is not granted (I2C password I2C_PWD) . . . . .
Sequential read in dynamic register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sequential read in Dynamic register and mailbox continuously if fast transfer mode is activated .
Sequential in mailbox if fast transfer mode is activated . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sequential read in mailbox if fast transfer mode is not activated . . . . . . . . . . . . . . . . . . . . . . .
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180
181
182
183
184
Table 299. Write Password when I2C security session is already open and fast transfer mode is not activated. . . . . . . . . . 185
Table 300. Write Password when I2C security session is not open or fast transfer mode activated . . . . . . . . . . . . . . . . . . 186
Table 301. Present Password (whatever status of I2C security session or fast transfer mode) . . . . . . . . . . . . . . . . . . . . . 187
Table 302. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
DS13519 - Rev 4
page 200/203
ST25DV04KC ST25DV16KC ST25DV64KC
List of figures
List of figures
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Figure 10.
ST25DVxxKC block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ST25DVxxKC 8-pin SO8N package connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ST25DVxxKC 8-pin TSSOP8 package connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ST25DVxxKC 8-pin UFDFN8 package connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-ball WLCSP package connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ST25DVxxKC 12-pin UFDFPN12 package connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ST25DVxxKC power-up sequence (No RF field, LPD pin tied to VSS or package without LPD pin).
ST25DVxxKC RF power-up sequence (No DC supply) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Memory organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ST25DVxxKC user memory areas. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 11.
RF to I2C fast transfer mode operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 12.
Figure 13.
I2C to RF fast transfer mode operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Fast transfer mode mailbox access management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 14.
Figure 15.
Figure 16.
Figure 17.
Figure 18.
Figure 19.
Figure 20.
Figure 21.
Figure 22.
Figure 23.
Figure 24.
Figure 25.
Figure 26.
Figure 27.
Figure 28.
ST25DVxxKC, Arbitration between RF and I2C . . . . .
I²C “RFSwitchOff” command. . . . . . . . . . . . . . . . . .
I²C “RFSwitchOn” command. . . . . . . . . . . . . . . . . .
RF_USER chronogram . . . . . . . . . . . . . . . . . . . . .
RF_ACTIVITY chronogram . . . . . . . . . . . . . . . . . .
RF_INTERRUPT chronogram. . . . . . . . . . . . . . . . .
FIELD_CHANGE chronogram . . . . . . . . . . . . . . . .
RF_PUT_MSG chronogram . . . . . . . . . . . . . . . . . .
RF_GET_MSG chronogram . . . . . . . . . . . . . . . . . .
RF_WRITE chronogram . . . . . . . . . . . . . . . . . . . .
GPO/I2C_WRITE chronogram . . . . . . . . . . . . . . . .
GPO/I2C_RF_OFF chronogram . . . . . . . . . . . . . . .
EH delivery state diagram . . . . . . . . . . . . . . . . . . .
ST25DVxxKC Energy Harvesting Delivery Sequence
RF security sessions management . . . . . . . . . . . . .
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31
32
32
34
35
36
37
38
39
40
41
42
50
51
60
Figure 29.
Figure 30.
Figure 31.
Figure 32.
Figure 33.
Figure 34.
Figure 35.
I2C security sessions management . . . . . . . . . . .
I²C bus protocol . . . . . . . . . . . . . . . . . . . . . . . .
I²C timeout on Start condition . . . . . . . . . . . . . . .
Write mode sequences when write is not inhibited .
Write mode sequences when write is inhibited . . .
Write cycle polling flowchart using ACK . . . . . . . .
Read mode sequences . . . . . . . . . . . . . . . . . . .
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61
67
68
72
72
73
74
Figure 36.
I2C Present Password Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Figure 37.
Figure 38.
Figure 39.
Figure 40.
Figure 41.
Figure 42.
Figure 43.
Figure 44.
Figure 45.
Figure 46.
Figure 47.
Figure 48.
Figure 49.
Figure 50.
Figure 51.
I2C Write Password Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ST25DVxxKC protocol timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ST25DVxxKC state transition diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stay Quiet frame exchange between VCD and ST25DVxxKC . . . . . . . . . . . . . . .
Read Single Block frame exchange between VCD and ST25DVxxKC . . . . . . . . .
Extended Read Single Block frame exchange between VCD and ST25DVxxKC . .
Write Single Block frame exchange between VCD and ST25DVxxKC . . . . . . . . .
Extended Write Single frame exchange between VCD and ST25DVxxKC . . . . . .
Lock Block frame exchange between VCD and ST25DVxxKC . . . . . . . . . . . . . .
Extended Lock block frame exchange between VCD and ST25DVxxKC . . . . . . .
Read Multiple Block frame exchange between VCD and ST25DVxxKC . . . . . . . .
Extended Read Multiple Block frame exchange between VCD and ST25DVxxKC .
Write Multiple Block frame exchange between VCD and ST25DVxxKC . . . . . . . .
Extended Write Multiple Block frame exchange between VCD and . . . . . . . . . . .
Select frame exchange between VCD and ST25DVxxKC . . . . . . . . . . . . . . . . . .
DS13519 - Rev 4
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ST25DV04KC ST25DV16KC ST25DV64KC
List of figures
Figure 52.
Figure 53.
Figure 54.
Figure 55.
Figure 56.
Figure 57.
Figure 58.
Figure 59.
Figure 60.
Figure 61.
Figure 62.
Figure 63.
Figure 64.
Figure 65.
Figure 66.
Figure 67.
Figure 68.
Figure 69.
Figure 70.
Figure 71.
Figure 72.
Figure 73.
Figure 74.
Figure 75.
Figure 76.
Figure 77.
Figure 78.
Figure 79.
Figure 80.
Reset to Ready frame exchange between VCD and ST25DVxxKC . . . . . . . . . . . . . . . . . . . .
Write AFI frame exchange between VCD and ST25DVxxKC. . . . . . . . . . . . . . . . . . . . . . . . .
Lock AFI frame exchange between VCD and ST25DVxxKC . . . . . . . . . . . . . . . . . . . . . . . . .
Write DSFID frame exchange between VCD and ST25DVxxKC . . . . . . . . . . . . . . . . . . . . . .
Lock DSFID frame exchange between VCD and ST25DVxxKC. . . . . . . . . . . . . . . . . . . . . . .
Get System Info frame exchange between VCD and ST25DVxxKC . . . . . . . . . . . . . . . . . . . .
Extended Get System Info frame exchange between VCD and ST25DVxxKC. . . . . . . . . . . . .
Get Multiple Block Security Status frame exchange between VCD and . . . . . . . . . . . . . . . . .
Extended Get Multiple Block Security Status frame exchange between VCD and ST25DVxxKC
Read Configuration frame exchange between VCD and ST25DVxxKC . . . . . . . . . . . . . . . . .
Write Configuration exchange between VCD and ST25DVxxKC . . . . . . . . . . . . . . . . . . . . . .
Read Dynamic Configuration frame exchange between VCD and ST25DVxxKC . . . . . . . . . . .
Write Dynamic Configuration frame exchange between VCD and ST25DVxxKC . . . . . . . . . . .
Manage GPO frame exchange between VCD and ST25DVxxKC . . . . . . . . . . . . . . . . . . . . .
Write Message frame exchange between VCD and ST25DVxxKC. . . . . . . . . . . . . . . . . . . . .
Read Message Length frame exchange between VCD and ST25DVxxKC . . . . . . . . . . . . . . .
Read Message frame exchange between VCD and ST25DVxxKC . . . . . . . . . . . . . . . . . . . .
Fast Read Message frame exchange between VCD and ST25DVxxKC . . . . . . . . . . . . . . . . .
Write Password frame exchange between VCD and ST25DVxxKC . . . . . . . . . . . . . . . . . . . .
Present Password frame exchange between VCD and ST25DVxxKC . . . . . . . . . . . . . . . . . .
Fast Read Single Block frame exchange between VCD and ST25DVxxKC. . . . . . . . . . . . . . .
Fast Extended Read Single Block frame exchange between VCD and ST25DVxxKC . . . . . . .
Fast Read Multiple Block frame exchange between VCD and ST25DVxxKC. . . . . . . . . . . . . .
Fast Extended Read Multiple Block frame exchange between VCD and ST25DVxxKC . . . . . .
Fast Write Message frame exchange between VCD and ST25DVxxKC . . . . . . . . . . . . . . . . .
Fast Read Message Length frame exchange between VCD and ST25DVxxKC. . . . . . . . . . . .
Fast Read Dynamic configuration frame exchange between VCD and ST25DVxxKC. . . . . . . .
Fast Write Dynamic Configuration frame exchange between VCD and ST25DVxxKC . . . . . . .
AC test measurement I/O waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 81.
I2C AC waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Figure 82.
Figure 83.
Figure 84.
Figure 85.
Figure 86.
Figure 87.
Figure 88.
Figure 89.
Figure 90.
Figure 91.
Figure 92.
Figure 93.
Figure 94.
Figure 95.
Figure 96.
Figure 97.
Figure 98.
Figure 99.
I2C Fast mode (fC = 1 MHz): maximum Rbus value versus bus parasitic capacitance (Cbus) . . . . .
ASK modulated signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SO8N – Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SO8N - Recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TSSOP8 – Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TSSOP8 – Recommended footprint. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UFDFN8 - Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WLCSP - 10 balls, 1.649x1.483 mm, 0.4 mm pitch, wafer level chip scale package outline . . . . . .
WLCSP - 10 balls, 1.649x1.483 mm, 0.4 mm pitch, wafer level chip scale recommended footprint.
UFDFPN12 - Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Logic 0, high data rate, fast commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Logic 1, high data rate, fast commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Logic 0, low data rate, fast commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Logic 1, low data rate, fast commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Start of frame, high data rate, one subcarrier, fast commands . . . . . . . . . . . . . . . . . . . . . . . . . .
Start of frame, low data rate, one subcarrier, fast commands . . . . . . . . . . . . . . . . . . . . . . . . . .
End of frame, high data rate, one subcarrier, fast commands . . . . . . . . . . . . . . . . . . . . . . . . . .
End of frame, low data rate, one subcarrier, fast commands . . . . . . . . . . . . . . . . . . . . . . . . . . .
DS13519 - Rev 4
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103
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page 202/203
ST25DV04KC ST25DV16KC ST25DV64KC
IMPORTANT NOTICE – READ CAREFULLY
STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST
products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST products before placing orders. ST
products are sold pursuant to ST’s terms and conditions of sale in place at the time of order acknowledgment.
Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of
purchasers’ products.
No license, express or implied, to any intellectual property right is granted by ST herein.
Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product.
ST and the ST logo are trademarks of ST. For additional information about ST trademarks, refer to www.st.com/trademarks. All other product or service names
are the property of their respective owners.
Information in this document supersedes and replaces information previously supplied in any prior versions of this document.
© 2022 STMicroelectronics – All rights reserved
DS13519 - Rev 4
page 203/203