MacroGiga Electronics Ltd. Co.
MG126, BLE Transceiver
Data Sheet
Revision History:
Rev. No.
History
Issue Date
Remark
0.1
Initial issue
April 3, 2015
Preliminary
0.2
update rf pin info
April 23, 2015
Preliminary
0.3
Update block diagram and application schematic
June 4, 2015
Preliminary
0.4
Update pinout info
June 9, 2015
Preliminary
0.5
Update TX power consumption
Nov 2, 2015
Preliminary
0.6
Add QFN16, Update Reflow profile
June 9, 2016
Preliminary
0.7
Update characteristic
Dec 11, 2016
Preliminary
1.0
Initial release
Feb 8, 2017
release
1.1
Update package info
April 6, 2017
release
1.2
Add ESD info
July 5, 2017
release
1.3
Update characteristic
Sept 4, 2017
release
Important Notice:
MACROGIGA reserves the right to make changes to its products or to discontinue any integrated circuit product or service
without notice. MACROGIGA integrated circuit products are not designed, intended, authorized, or warranted to be suitable
for use in life-support applications, devices or systems or other critical applications. Use in such applications is done at the
sole discretion of the customer. MACROGIGA will not warrant the use of its devices in such applications.
Revision: 1.3
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Table of Contents
1. Overview................................................................................................................................................3
1.1 Features........................................................................................................................................... 3
1.2 Typical Application......................................................................................................................... 4
1.3 Block Diagram................................................................................................................................ 5
2. Pin Description.......................................................................................................................................5
3. Example Application Schematic............................................................................................................ 6
4. Operating modes.................................................................................................................................... 6
5. Data and Control Interface..................................................................................................................... 7
5.1 Features........................................................................................................................................... 7
5.2 Functional Description.................................................................................................................... 7
5.3 SPI Timing.......................................................................................................................................7
5.4 Interrupt........................................................................................................................................... 8
6. Register Map.......................................................................................................................................... 9
7. Electrical Characteristic......................................................................................................................... 9
8. Current Consumption...........................................................................................................................10
9. Package Information............................................................................................................................ 10
10. Reflow Profile.................................................................................................................................... 12
11. Tape and Reel Information................................................................................................................. 13
11.1 Tape Information......................................................................................................................... 13
11.2 Reel Information..........................................................................................................................14
Revision: 1.3
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1. Overview
MG126 is a single mode BLE RF transceiver with software configurable registers, embedded packet
handling engine, and designed for ultra low power Bluetooth Smart Devices.
The chips are configured and operated via the 4-wire SPI(Serial Peripheral Interface).
Internal voltage regulators ensure a high Power Supply Rejection Ratio (PSRR) and a wide power
supply range(1.9~3.6V).
1.1 Features
Radio
Worldwide 2.4GHz ISM band operation with 2MHz channel spacing
Common RX and TX pins
GFSK modulation
1Mbps air data rate
Transmitter
Programmable output power: -28 ~ +4 dBm, without an external RF PA
20mA at 0dBm output power
Receiver
Integrated channel filters
-85 dBm sensitivity
Programmable LNA gain
Baseband
Dedicated logic performs:
Cyclic redundancy check
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Data whitening
Access code correlation
Host Interface
4-wire hardware SPI
Max 10Mbps
Power Management
Integrated voltage regulator
1.9 to 3.6V supply range
Idle modes with fast start-up times for advanced power management
50 uA in Standby mode, 3 uA in sleep mode
Max 1.5ms start-up from sleep mode
Low cost BOM
Provides a single-ended RF TX / RX port pin
Single end RF output, No balun needed
Built-in 32.768KHz oscillator, no need external RTC crystal
Support low cost crystal(12MHz or 16MHz)
1.2 Typical Application
Remote Controller
Sport and Fitness sensors
Wireless keyboard and mouse
BLE watches
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1.3 Block Diagram
Figure1.1 Block Diagram
2. Pin Description
Pin No.
Symbol
I/O
1
CSN
DI
2
VSS
Power
3
SCK
DI
SPI Clock
4
MOSI
DI
SPI Slave Data Input
5
MISO
DO
SPI Slave Data Output
6
DVDD
Power
Digital VDD 1.2v Output
7
VSS
Power
Ground (0V)
8
XTALO
AO
Crystal Pin
9
XTALI
AI
Crystal Pin
10
VBAT
Power
Power Supply
11
VSS
Power
Ground (0V)
12
ANT
RF
13
VBAT
Power
Power Supply
14
VSS
Power
Ground (0V)
Revision: 1.3
Function Description
SPI Chip Select
Ground (0V)
Antenna interface
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15
IRQ
DO
Maskable interrupt pin
16
CT
DI
Test Use
Table2.1 MG126 Pin Description
3. Example Application Schematic
MG126 with single ended RF output, crystal and decoupling capacitors.
Figure 3.1 MG126 Example Application Schematic
4. Operating modes
The chip has 4 operating modes:
Standby
Sleep
TX active
RX active
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5. Data and Control Interface
The data and control interface gives you access to all the features in the chip. The data and control
interface consists of the following digital signals:
• IRQ (this signal is active low and is controlled by maskable interrupt sources)
• CSN (SPI signal)
• SCK (SPI signal)
• MOSI (SPI signal)
• MISO (SPI signal)
5.1 Features
• 4-wire SPI serial interface, as slave
• up to 10Mbps data rate
• Easily configurable register map
5.2 Functional Description
The SPI is a standard SPI with a maximum data rate of 10Mbps.
5.3 SPI Timing
The interface supports SPI. SPI operation and timing is given in Figure 5.3.1 and Figure 5.3.2. The
device must be in one of the standby modes or sleep mode before writing to the configuration registers.
Figure 5.3.1 SPI read operation
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Figure 5.3.2 SPI write operation
Figure 5.3.3 SPI timing diagram
Symbol
Parameters
Min.
Max
Unit
Tcc
CSN to SCK setup
2
-
ns
Tch
SCK high time
40
-
ns
Tcl
SCK low time
40
-
ns
Tcwh
CSN inactive time
50
-
ns
Tcch
SCK to CSN hold
2
-
ns
Tdc
Data to SCK setup
2
-
ns
Tdh
SCK to Data hold
2
-
ns
5.4 Interrupt
The chip has an active low interrupt (IRQ) pin. The IRQ pin is activated by the state machine, and is
Revision: 1.3
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resets when MCU writes '1' to the IRQ source bit in the STATUS register. The IRQ mask in the register
is used to select the IRQ sources that are allowed to assert the IRQ pin. By setting one of the MASK
bits high, the corresponding IRQ source is disabled. By default all IRQ sources are enabled.
6. Register Map
You can configure and control the radio chip by accessing the register map through the SPI by using
read and write commands.
7. Electrical Characteristic
Absolute Maximum Ratings
Supply Voltage
MIN
MAX
UNIT
0
3.6
V
10
dBm
125
℃
4
KV
According to charged device model
800
V
According to man-machine model
200
V
MAX
UNIT
All supply pins have the same voltage
Input RF level
-40
Storage temperature range
According to human-body model
ESD
Recommended Operating Conditions
MIN
NOM
Operating ambient temperature range, TA
-40
85
℃
Operating supply voltage
1.9
3.6
V
Max.
Unit
Electrical Characteristics
Conditions: VDD = +3V, VSS = 0V, TA = - 40ºC to + 85ºC
Symbol
Revision: 1.3
Parameter
Notes
Min.
Typ.
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General RF condition
fOP
Operating frequency
2402
2480
MHz
RGFSK
Air data rate
1000
kbps
Fchannel
Non-overlapping channel spacing
2
MHz
Transmitter Operation condition
PRF
Maximum output power
+4
dBm
Receiver Operation
RXSENS
Sensitivity (0.1% BER)
-85
dBm
Power on Reset
TRUP
Power ramp up time
TPOR
Power on reset time
1.5
5.3
100
ms
10.3
ms
Table 7.1 Electrical Specification
8. Current Consumption
Table 8.1 shows total typical current consumption measured at the battery.
Mode
Description
Total Typical Current at 3.0v
Standby
In wakeup state, no TX, no RX
50 uA
sleep
Sleep. wakeup through SPI command
3 uA
TX active
In transmitting
20 mA @ 0dBm output power
RX active
In receiving
20 mA
Table 8.1 Current Consumption
9. Package Information
QFN16 3x3
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Symbol
Dimensions in Milimeters
Dimensions in Inches
Min.
Max.
Min.
Max.
D/E
2.900
3.100
0.114
0.122
D1/E1
1.600
1.800
0.063
0.071
A
0.700
0.800
0.028
0.031
A1
0.000
0.050
0.000
0.002
A3
0.203 REF
0.008 REF
k
0.200 MIN.
0.008 MIN.
b
0.180
e
L
0.300
0.007
0.500 TYP.
0.300
0.020 TYP.
0.500
0.012
Table 9.1 QFN16 3x3 Package outline
Revision: 1.3
0.012
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0.020
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10. Reflow Profile
Follow:IPC/JEDEC J-STD-020 C
Revision: 1.3
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11. Tape and Reel Information
11.1 Tape Information
Revision: 1.3
W
12.00 ±0.30
mm
A0
3.30 ±0.10
mm
B0
3.30 ±0.10
mm
K0
1.10 ±0.10
mm
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11.2 Reel Information
Package Type
3x3x0.8mm QFN
Tape Width
12 mm
ϕA
330 mm
ϕN
100 mm
W1
12.8 mm
Thanks
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W2max
18.2 mm
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