Z8 GPTM Microcontrollers
ZGP323H OTP MCU Family
Product Specification
PS023803-0305
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©2005 by ZiLOG, Inc. All rights reserved. Information in this publication concerning the devices, applications, or
technology described is intended to suggest possible uses and may be superseded. ZiLOG, INC. DOES NOT
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Disclaimer
PS023803-0305
ZGP323H
Product Specification
iii
Revision History
Each instance in Table 1 reflects a change to this document from its previous revision. To see more detail, click the appropriate link in the table.
Table 1. Revision History of this Document
Date
Revision
Level
December 02
2004
March
2005
03
PS023803-0305
Section
Page
#
Description
Changed low power consumption, STOP and HALT mode current values,
deleted mask option note, clarified temperature ranges in Tables 6 and 8
and 10. Added new Tables 9 and 10. Also added Characterization data to
Table 11 and changed Program/Erase Endurance value in Table 12.
1,2,10
11,12,
13,14,
15
Removed Preliminary designation
All
Minor change to Table 9 Electrical Characteristics. Added 20, 28 and 40- 11,90
pin CDIP parts in the Ordering Section.
Revision History
ZGP323H
Product Specification
iv
Table of Contents
Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Development Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Standard Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Pin Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
XTAL1 Crystal 1 (Time-Based Input) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
XTAL2 Crystal 2 (Time-Based Output) . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Port 0 (P07–P00) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Port 1 (P17–P10) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Port 2 (P27–P20) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Port 3 (P37–P30) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RESET (Input, Active Low) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18
18
18
18
19
20
21
25
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Program Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Expanded Register File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Register File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Counter/Timer Functional Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25
25
25
26
30
31
32
40
Expanded Register File Control Registers (0D) . . . . . . . . . . . . . . . . . . . . . . . . 66
Expanded Register File Control Registers (0F) . . . . . . . . . . . . . . . . . . . . . . . . . 71
Standard Control Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Package Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
PS023803-0305
Table of Contents
ZGP323H
Product Specification
v
List of Figures
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Figure 10.
Figure 11.
Figure 12.
Figure 13.
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.
Figure 29.
Figure 30.
Figure 31.
Figure 32.
Figure 33.
PS023803-0305
Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Counter/Timers Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
20-Pin PDIP/SOIC/SSOP/CDIP* Pin Configuration . . . . . . . . . . . . . . 5
28-Pin PDIP/SOIC/SSOP/CDIP* Pin Configuration . . . . . . . . . . . . . . 6
40-Pin PDIP/CDIP* Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . 7
48-Pin SSOP Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Test Load Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
AC Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Port 0 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Port 1 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Port 2 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Port 3 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Port 3 Counter/Timer Output Configuration . . . . . . . . . . . . . . . . . . . 24
Program Memory Map (32K OTP) . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Expanded Register File Architecture . . . . . . . . . . . . . . . . . . . . . . . . 28
Register Pointer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Register Pointer—Detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Glitch Filter Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Transmit Mode Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
8-Bit Counter/Timer Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
T8_OUT in Single-Pass Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
T8_OUT in Modulo-N Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Demodulation Mode Count Capture Flowchart . . . . . . . . . . . . . . . . 44
Demodulation Mode Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
16-Bit Counter/Timer Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
T16_OUT in Single-Pass Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
T16_OUT in Modulo-N Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Ping-Pong Mode Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Output Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Interrupt Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Oscillator Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Port Configuration Register (PCON) (Write Only) . . . . . . . . . . . . . . 55
STOP Mode Recovery Register . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
List of Figures
ZGP323H
Product Specification
vi
Figure 34.
Figure 35.
Figure 36.
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.
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.
PS023803-0305
SCLK Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stop Mode Recovery Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stop Mode Recovery Register 2 ((0F)DH:D2–D4, D6 Write Only) . .
Watch-Dog Timer Mode Register (Write Only) . . . . . . . . . . . . . . . . .
Resets and WDT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TC8 Control Register ((0D)O0H: Read/Write Except Where Noted)
T8 and T16 Common Control Functions ((0D)01H: Read/Write) . . .
T16 Control Register ((0D) 2H: Read/Write Except Where Noted) .
T8/T16 Control Register (0D)03H: Read/Write (Except Where
Noted) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage Detection Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Port Configuration Register (PCON)(0F)00H: Write Only) . . . . . . . .
Stop Mode Recovery Register ((0F)0BH: D6–D0=Write Only,
D7=Read Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stop Mode Recovery Register 2 ((0F)0DH:D2–D4, D6 Write Only)
Watch-Dog Timer Register ((0F) 0FH: Write Only). . . . . . . . . . . . . .
Port 2 Mode Register (F6H: Write Only). . . . . . . . . . . . . . . . . . . . . .
Port 3 Mode Register (F7H: Write Only) . . . . . . . . . . . . . . . . . . . . .
Port 0 and 1 Mode Register (F8H: Write Only) . . . . . . . . . . . . . . . .
Interrupt Priority Register (F9H: Write Only) . . . . . . . . . . . . . . . . . .
Interrupt Request Register (FAH: Read/Write) . . . . . . . . . . . . . . . .
Interrupt Mask Register (FBH: Read/Write) . . . . . . . . . . . . . . . . . . .
Flag Register (FCH: Read/Write) . . . . . . . . . . . . . . . . . . . . . . . . . . .
Register Pointer (FDH: Read/Write) . . . . . . . . . . . . . . . . . . . . . . . .
Stack Pointer High (FEH: Read/Write) . . . . . . . . . . . . . . . . . . . . . .
Stack Pointer Low (FFH: Read/Write) . . . . . . . . . . . . . . . . . . . . . . .
20-Pin CDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20-Pin PDIP Package Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20-Pin SOIC Package Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20-Pin SSOP Package Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . .
28-Pin SOIC Package Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . .
28-Pin CDIP Package Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . .
28-Pin PDIP Package Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . .
28-Pin SSOP Package Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . .
40-Pin PDIP Package Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . .
40-Pin CDIP Package Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . .
58
59
61
62
63
66
67
69
70
71
72
73
74
75
75
76
77
78
79
79
80
80
81
81
82
82
83
84
85
86
86
87
87
88
List of Figures
ZGP323H
Product Specification
vii
Figure 68. 48-Pin SSOP Package Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
PS023803-0305
List of Figures
ZGP323H
Product Specification
viii
List of Tables
Table 1.
Table 2.
Table 3.
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.
PS023803-0305
Revision History of this Document . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Power Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
20-Pin PDIP/SOIC/SSOP/CDIP* Pin Identification . . . . . . . . . . . . . . 5
28-Pin PDIP/SOIC/SSOP/CDIP* Pin Identification . . . . . . . . . . . . . . 6
40- and 48-Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
GP323HS DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
GP323HE DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
GP323HA DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
EPROM/OTP Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Port 3 Pin Function Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
CTR1(0D)01H T8 and T16 Common Functions . . . . . . . . . . . . . . . . 35
Interrupt Types, Sources, and Vectors . . . . . . . . . . . . . . . . . . . . . . 52
IRQ Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
SMR2(F)0DH:Stop Mode Recovery Register 2* . . . . . . . . . . . . . . . 58
Stop Mode Recovery Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Watch-Dog Timer Time Select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
EPROM Selectable Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
List of Tables
ZGP323H
Product Specification
1
Development Features
Table 2 lists the features of ZiLOG®’s ZGP323H members.
Table 2. Features
PS023803-0305
Device
OTP (KB) RAM (Bytes)
ZGP323H OTP MCU
Family
4, 8, 16, 32
237
I/O Lines Voltage Range
32, 24 or 16
2.0V–5.5V
•
•
Low power consumption–18mW (typical)
•
Three standby modes:
– STOP— (typical 1.8µA)
– HALT— (typical 0.8mA)
– Low voltage reset
•
Special architecture to automate both generation and reception of complex pulses
or signals:
– One programmable 8-bit counter/timer with two capture registers and two
load registers
– One programmable 16-bit counter/timer with one 16-bit capture register
pair and one 16-bit load register pair
– Programmable input glitch filter for pulse reception
•
Six priority interrupts
– Three external
– Two assigned to counter/timers
– One low-voltage detection interrupt
•
•
•
•
Low voltage detection and high voltage detection flags
T = Temperature
S = Standard 0° to +70°C
E = Extended -40° to +105°C
A = Automotive -40° to +125°C
Programmable Watch-Dog Timer/Power-On Reset (WDT/POR) circuits
Two independent comparators with programmable interrupt polarity
Programmable EPROM options
– Port 0: 0–3 pull-up transistors
– Port 0: 4–7 pull-up transistors
Development Features
ZGP323H
Product Specification
2
–
–
–
–
–
Port 1: 0–3 pull-up transistors
Port 1: 4–7 pull-up transistors
Port 2: 0–7 pull-up transistors
EPROM Protection
WDT enabled at POR
General Description
The ZGP323H is an OTP-based member of the MCU family of infrared microcontrollers. With 237B of general-purpose RAM and up to 32KB of OTP, ZiLOG®’s
CMOS microcontrollers offer fast-executing, efficient use of memory, sophisticated interrupts, input/output bit manipulation capabilities, automated pulse generation/reception, and internal key-scan pull-up transistors.
The ZGP323H architecture (Figure 1) is based on ZiLOG’s 8-bit microcontroller
core with an Expanded Register File allowing access to register-mapped peripherals, input/output (I/O) circuits, and powerful counter/timer circuitry. The Z8® offers
a flexible I/O scheme, an efficient register and address space structure, and a
number of ancillary features that are useful in many consumer, automotive, computer peripheral, and battery-operated hand-held applications.
There are three basic address spaces available to support a wide range of configurations: Program Memory, Register File and Expanded Register File. The register file is composed of 256 Bytes (B) of RAM. It includes 4 I/O port registers, 16
control and status registers, and 236 general-purpose registers. The Expanded
Register File consists of two additional register groups (F and D).
To unburden the program from coping with such real-time problems as generating
complex waveforms or receiving and demodulating complex waveform/pulses, the
Z8 GP OTP offers a new intelligent counter/timer architecture with 8-bit and
16-bit counter/timers (see Figure 2). Also included are a large number of userselectable modes and two on-board comparators to process analog signals with
separate reference voltages.
Note: All signals with an overline, “ ”, are active Low. For example,
B/W, in which WORD is active Low, and B/W, in which BYTE is
active Low.
Power connections use the conventional descriptions listed in Table 3.
PS023803-0305
General Description
ZGP323H
Product Specification
3
Table 3. Power Connections
I/O Nibble
Programmable
Connection
Circuit
Device
Power
VCC
VDD
Ground
GND
VSS
P00
P01
P02
P03
4
P04
P05
P06
P07
4
Register File
256 x 8-Bit
Port 0
Port 3
Register Bus
Internal
Address Bus
OTP
Up to 32K x 8
I/O Byte
Programmable
I/O Bit
Programmable
P10
P11
P12
P13
P14
P15
P16
P17
P20
P21
P22
P23
P24
P25
P26
P27
Watch-Dog
Timer
Pref1/P30
P31
P32
P33
P34
P35
P36
P37
Z8®
Core
Z8® Core
Internal
Data Bus
8
XTAL
Port 1
Expanded
Register
File
Expanded
Register Bus
Machine
Timing &
Instruction
Control
RESET
Power
VDD
VSS
Port 2
Power-On
Reset
Counter/Timer 8
8-Bit
Counter/Timer 16
16-Bit
2 Comparators
Low Voltage
Detection
High Voltage
Detection
Note: Refer to the specific package for available pins.
Figure 1. Functional Block Diagram
PS023803-0305
General Description
ZGP323H
Product Specification
4
HI16
LO16
8
8
16-Bit
T16
1 2 4 8
Timer 16
16
8
8
SCLK
Clock
Divider
TC16H
TC16L
And/Or
Logic
HI8
LO8
8
8
Input
Glitch
Filter
Timer 8/16
Edge
Detect
Circuit
8-Bit
T8
8
TC8H
Timer 8
8
TC8L
Figure 2. Counter/Timers Diagram
Pin Description
The pin configuration for the 20-pin PDIP/SOIC/SSOP is illustrated in Figure 3
and described in Table 4. The pin configuration for the 28-pin PDIP/SOIC/SSOP
are depicted in Figure 4 and described in Table 5. The pin configurations for the
40-pin PDIP and 48-pin SSOP versions are illustrated in Figure 5, Figure 6, and
described in Table 6.
For customer engineering code development, a UV eraseable windowed cerdip
packaging is offered in 20-pin, 28-pin, and 40-pin configurations. ZiLOG does not
recommend nor guarantee these packages for use in production.
PS023803-0305
Pin Description
ZGP323H
Product Specification
5
P25
P26
P27
P07
VDD
XTAL2
XTAL1
P31
P32
P33
1
2
3
4
5
6
7
8
9
10
20-Pin
PDIP
SOIC
SSOP
CDIP*
20
19
18
17
16
15
14
13
12
11
P24
P23
P22
P21
P20
VSS
P01
P00/Pref1/P30
P36
P34
Figure 3. 20-Pin PDIP/SOIC/SSOP/CDIP* Pin Configuration
Table 4. 20-Pin PDIP/SOIC/SSOP/CDIP* Pin Identification
PS023803-0305
Pin #
Symbol
Function
Direction
1–3
P25–P27
Port 2, Bits 5,6,7
Input/Output
4
P07
Port 0, Bit 7
Input/Output
5
VDD
Power Supply
6
XTAL2
Crystal Oscillator Clock
Output
7
XTAL1
Crystal Oscillator Clock
Input
8–10
P31–P33
Port 3, Bits 1,2,3
Input
11,12
P34. P36
Port 3, Bits 4,6
Output
13
P00/Pref1/P30 Port 0, Bit 0/Analog reference input Input/Output for P00
Port 3 Bit 0
Input for Pref1/P30
14
P01
Port 0, Bit 1
15
VSS
Ground
16–20
P20–P24
Port 2, Bits 0,1,2,3,4
Input/Output
Input/Output
Pin Description
ZGP323H
Product Specification
6
P25
P26
P27
P04
P05
P06
P07
VDD
XTAL2
XTAL1
P31
P32
P33
P34
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28-Pin
PDIP
SOIC
SSOP
CDIP*
28
27
26
25
24
23
22
21
20
19
18
17
16
15
P24
P23
P22
P21
P20
P03
VSS
P02
P01
P00
Pref1/P30
P36
P37
P35
Figure 4. 28-Pin PDIP/SOIC/SSOP/CDIP* Pin Configuration
Table 5. 28-Pin PDIP/SOIC/SSOP/CDIP* Pin Identification
Pin
1-3
4-7
8
Symbol
P25-P27
P04-P07
VDD
Direction
Input/Output
Input/Output
Description
Port 2, Bits 5,6,7
Port 0, Bits 4,5,6,7
Power supply
9
10
11-13
14
15
16
17
18
XTAL2
XTAL1
P31-P33
P34
P35
P37
P36
Pref1/P30
Port 3 Bit 0
Output
Input
Input
Output
Output
Output
Output
Input
19-21
22
P00-P02
VSS
Input/Output
Crystal, oscillator clock
Crystal, oscillator clock
Port 3, Bits 1,2,3
Port 3, Bit 4
Port 3, Bit 5
Port 3, Bit 7
Port 3, Bit 6
Analog ref input; connect to VCC if not used
Input for Pref1/P30
Port 0, Bits 0,1,2
Ground
23
24-28
P03
P20-P24
Input/Output
Input/Output
PS023803-0305
Port 0, Bit 3
Port 2, Bits 0-4
Pin Description
ZGP323H
Product Specification
7
NC
P25
P26
P27
P04
P05
P06
P14
P15
P07
VDD
P16
P17
XTAL2
XTAL1
P31
P32
P33
P34
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40-Pin
PDIP
CDIP*
40
39
38
37
36
35
34
33
32
31
30
39
28
27
26
25
24
23
22
21
NC
P24
P23
P22
P21
P20
P03
P13
P12
VSS
P02
P11
P10
P01
P00
Pref1/P30
P36
P37
P35
RESET
Figure 5. 40-Pin PDIP/CDIP* Pin Configuration
Note: *Windowed Cerdip. These units are intended to be used for
engineering code development only. ZiLOG does not
recommend/guarantee this package for production use.
PS023803-0305
Pin Description
ZGP323H
Product Specification
8
NC
P25
P26
P27
P04
N/C
P05
P06
P14
P15
P07
VDD
VDD
N/C
P16
P17
XTAL2
XTAL1
P31
P32
P33
P34
NC
VSS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48-Pin
SSOP
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
NC
NC
P24
P23
P22
P21
P20
P03
P13
P12
VSS
VSS
N/C
P02
P11
P10
P01
P00
N/C
PREF1/P30
P36
P37
P35
RESET
Figure 6. 48-Pin SSOP Pin Configuration
Table 6. 40- and 48-Pin Configuration
PS023803-0305
40-Pin PDIP #
48-Pin SSOP #
Symbol
26
31
P00
27
32
P01
30
35
P02
34
41
P03
5
5
P04
6
7
P05
7
8
P06
10
11
P07
28
33
P10
29
34
P11
32
39
P12
Pin Description
ZGP323H
Product Specification
9
Table 6. 40- and 48-Pin Configuration (Continued)
PS023803-0305
40-Pin PDIP #
48-Pin SSOP #
Symbol
33
40
P13
8
9
P14
9
10
P15
12
15
P16
13
16
P17
35
42
P20
36
43
P21
37
44
P22
38
45
P23
39
46
P24
2
2
P25
3
3
P26
4
4
P27
16
19
P31
17
20
P32
18
21
P33
19
22
P34
22
26
P35
24
28
P36
23
27
P37
20
23
NC
40
47
NC
1
1
NC
21
25
RESET
15
18
XTAL1
14
17
XTAL2
11
12, 13
VDD
31
24, 37, 38
VSS
25
29
Pref1/P30
48
NC
6
NC
14
NC
30
NC
36
NC
Pin Description
ZGP323H
Product Specification
10
Absolute Maximum Ratings
Stresses greater than those listed in Table 8 might cause permanent damage to
the device. This rating is a stress rating only. Functional operation of the device at
any condition above those indicated in the operational sections of these specifications is not implied. Exposure to absolute maximum rating conditions for an
extended period might affect device reliability.
Table 7. Absolute Maximum Ratings
Parameter
Minimum Maximum
Units
Ambient temperature under bias
–40
125
°C
Storage temperature
–65
+150
°C
Voltage on any pin with respect to VSS
–0.3
7.0
V
Voltage on VDD pin with respect to VSS
–0.3
7.0
V
Maximum current on input and/or inactive output pin
–5
+5
µA
Maximum output current from active output pin
–25
+25
mA
75
mA
Maximum current into VDD or out of VSS
Notes
1
2
Notes:
1. See Ordering Information.
2. This voltage applies to all pins except the following: VDD, P32, P33 and RESET.
Standard Test Conditions
The characteristics listed in this product specification apply for standard test conditions as noted. All voltages are referenced to GND. Positive current flows into
the referenced pin (see Figure 7).
From Output
Under Test
150pF
Figure 7. Test Load Diagram
PS023803-0305
Absolute Maximum Ratings
ZGP323H
Product Specification
11
Capacitance
Table 8 lists the capacitances.
Table 8. Capacitance
Parameter
Maximum
Input capacitance
12pF
Output capacitance
12pF
I/O capacitance
12pF
Note: TA = 25° C, VCC = GND = 0 V, f = 1.0 MHz, unmeasured pins returned to GND
DC Characteristics
Table 9. GP323HS DC Characteristics
Symbol
VCC
VCH
Parameter
VCC
Supply Voltage
Clock Input High
2.0-5.5
Voltage
Clock Input Low
2.0-5.5
VCL
Voltage
Input High Voltage
2.0-5.5
VIH
Input Low Voltage
2.0-5.5
VIL
VOH1
Output High Voltage
2.0-5.5
Output High Voltage
2.0-5.5
VOH2
(P36, P37, P00, P01)
Output Low Voltage
2.0-5.5
VOL1
Output Low Voltage
2.0-5.5
VOL2
(P00, P01, P36, P37)
2.0-5.5
VOFFSET Comparator Input
Offset Voltage
Comparator
2.0-5.5
VREF
Reference
Voltage
Input Leakage
2.0-5.5
IIL
RPU
Pull-up Resistance
PS023803-0305
2.0V
3.6V
5.0V
TA=0°C to +70°C
Min
Typ(7)
Max
Units Conditions
2.0
5.5
V
See Note 5
0.8 VCC
VCC+0.3 V
Driven by External
Clock Generator
VSS–0.3
0.4
V
Driven by External
Clock Generator
0.7 VCC
VCC+0.3 V
VSS–0.3
0.2 VCC V
VCC–0.4
V
IOH = –0.5mA
VCC–0.8
V
IOH = –7mA
0.4
0.8
V
V
25
mV
0
VCC
1.75
V
–1
1
µA
225
75
40
675
275
160
KΩ
KΩ
KΩ
IOL = 4.0mA
IOL = 10mA
VIN = 0V, VCC
Pull-ups disabled
VIN = 0V; Pullups selected by mask
option
DC Characteristics
Notes
5
ZGP323H
Product Specification
12
Table 9. GP323HS DC Characteristics (Continued)
Symbol
IOL
ICC
ICC1
ICC2
ILV
VBO
VLVD
VHVD
Parameter
Output Leakage
Supply Current
VCC
2.0-5.5
2.0V
3.6V
5.5V
Standby Current
2.0V
(HALT Mode)
3.6V
5.5V
Standby Current (Stop 2.0V
Mode)
3.6V
5.5V
2.0V
3.6V
5.5V
Standby Current
(Low Voltage)
VCC Low Voltage
Protection
VCC Low Voltage
Detection
Vcc High Voltage
Detection
TA=0°C to +70°C
Min
Typ(7)
–1
1
5
10
0.5
0.8
1.3
1.6
1.8
1.9
5
8
15
1.2
1.9
Max
1
3
10
15
1.6
2.0
3.2
8
10
12
20
30
45
6
Units
µA
mA
mA
mA
mA
mA
mA
µA
µA
µA
µA
µA
µA
µA
Conditions
VIN = 0V, VCC
at 8.0 MHz
at 8.0 MHz
at 8.0 MHz
VIN = 0V, Clock at 8.0MHz
VIN = 0V, Clock at 8.0MHz
VIN = 0V, Clock at 8.0MHz
VIN = 0 V, VCC WDT not Running
VIN = 0 V, VCC WDT not Running
VIN = 0 V, VCC WDT not Running
VIN = 0 V, VCC WDT is Running
VIN = 0 V, VCC WDT is Running
VIN = 0 V, VCC WDT is Running
Measured at 1.3V
2.0
V
8MHz maximum
Ext. CLK Freq.
2.4
V
2.7
V
Notes
1, 2
1, 2
1, 2
1, 2, 6
1, 2, 6
1, 2, 6
3
3
3
3
3
3
4
Notes:
1. All outputs unloaded, inputs at rail.
2. CL1 = CL2 = 100 pF.
3. Oscillator stopped.
4. Oscillator stops when VCC falls below VBO limit.
5. It is strongly recommended to add a filter capacitor (minimum 0.1 µF), physically close to VCC and VSS pins if operating
voltage fluctuations are anticipated, such as those resulting from driving an Infrared LED.
6. Comparator and Timers are on. Interrupt disabled.
7. Typical values shown are at 25 degrees C.
Table 10. GP323HE DC Characteristics
Symbol
VCC
VCH
VCL
VIH
VIL
VOH1
Parameter
Supply Voltage
Clock Input High
Voltage
Clock Input Low
Voltage
Input High Voltage
Input Low Voltage
Output High Voltage
PS023803-0305
VCC
2.0-5.5
2.0-5.5
2.0-5.5
2.0-5.5
2.0-5.5
TA= -40°C to +105°C
Min
Typ(7)
Max
Units Conditions
2.0
5.5
V
See Note 5
0.8 VCC
VCC+0.3 V
Driven by External
Clock Generator
VSS–0.3
0.4
V
Driven by External
Clock Generator
0.7 VCC
VCC+0.3 V
VSS–0.3
0.2 VCC V
VCC–0.4
V
IOH = –0.5mA
DC Characteristics
Notes
5
ZGP323H
Product Specification
13
Table 10. GP323HE DC Characteristics (Continued)
Symbol
VOH2
Parameter
Output High Voltage
(P36, P37, P00, P01)
Output Low Voltage
VOL1
Output Low Voltage
VOL2
(P00, P01, P36, P37)
VOFFSET Comparator Input
Offset Voltage
Comparator
VREF
Reference
Voltage
Input Leakage
IIL
RPU
IOL
ICC
ICC1
ICC2
ILV
VBO
VLVD
VHVD
Pull-up Resistance
VCC
2.0-5.5
TA= -40°C to +105°C
Min
Typ(7)
Max
VCC–0.8
2.0-5.5
2.0-5.5
0.4
0.8
V
V
2.0-5.5
25
mV
Units Conditions
V
IOH = –7mA
2.0-5.5
0
VDD
-1.75
V
2.0-5.5
–1
1
µA
200.0
50.0
25.0
–1
1
5
10
0.5
0.8
1.3
1.6
1.8
1.9
5
8
15
1.2
700.0
300.0
175.0
1
3
10
15
1.6
2.0
3.2
12
15
18
30
40
60
6
KΩ
KΩ
KΩ
µA
mA
mA
mA
mA
mA
mA
µA
µA
µA
µA
µA
µA
µA
1.9
2.15
V
2.0V
3.6V
5.0V
Output Leakage
2.0-5.5
Supply Current
2.0V
3.6V
5.5V
Standby Current
2.0V
(HALT Mode)
3.6V
5.5V
Standby Current (Stop 2.0V
Mode)
3.6V
5.5V
2.0V
3.6V
5.5V
Standby Current
(Low Voltage)
VCC Low Voltage
Protection
VCC Low Voltage
Detection
Vcc High Voltage
Detection
2.4
V
2.7
V
Notes
IOL = 4.0mA
IOL = 10mA
VIN = 0V, VCC
Pull-ups disabled
VIN = 0V; Pullups selected by mask
option
VIN = 0V, VCC
at 8.0 MHz
at 8.0 MHz
at 8.0 MHz
VIN = 0V, Clock at 8.0MHz
VIN = 0V, Clock at 8.0MHz
VIN = 0V, Clock at 8.0MHz
VIN = 0 V, VCC WDT not Running
VIN = 0 V, VCC WDT not Running
VIN = 0 V, VCC WDT not Running
VIN = 0 V, VCC WDT is Running
VIN = 0 V, VCC WDT is Running
VIN = 0 V, VCC WDT is Running
Measured at 1.3V
1, 2
1, 2
1, 2
1, 2, 6
1, 2, 6
1, 2, 6
3
3
3
3
3
3
4
8MHz maximum
Ext. CLK Freq.
Notes:
1. All outputs unloaded, inputs at rail.
2. CL1 = CL2 = 100 pF.
3. Oscillator stopped.
4. Oscillator stops when VCC falls below VBO limit.
5. It is strongly recommended to add a filter capacitor (minimum 0.1 µF), physically close to VCC and VSS pins if operating
voltage fluctuations are anticipated, such as those resulting from driving an Infrared LED.
6. Comparator and Timers are on. Interrupt disabled.
7. Typical values shown are at 25 degrees C.
PS023803-0305
DC Characteristics
ZGP323H
Product Specification
14
Table 11. GP323HA DC Characteristics
Symbol
VCC
VCH
Parameter
VCC
Supply Voltage
Clock Input High
2.0-5.5
Voltage
Clock Input Low
2.0-5.5
VCL
Voltage
Input High Voltage
2.0-5.5
VIH
Input Low Voltage
2.0-5.5
VIL
VOH1
Output High Voltage
2.0-5.5
Output High Voltage
2.0-5.5
VOH2
(P36, P37, P00, P01)
Output Low Voltage
2.0-5.5
VOL1
Output Low Voltage
2.0-5.5
VOL2
(P00, P01, P36, P37)
2.0-5.5
VOFFSET Comparator Input
Offset Voltage
Comparator
2.0-5.5
VREF
Reference
Voltage
Input Leakage
2.0-5.5
IIL
RPU
IOL
ICC
ICC1
ICC2
ILV
VBO
VLVD
Pull-up Resistance
2.0V
3.6V
5.0V
Output Leakage
2.0-5.5
Supply Current
2.0V
3.6V
5.5V
Standby Current
2.0V
(HALT Mode)
3.6V
5.5V
Standby Current (Stop 2.0V
Mode)
3.6V
5.5V
2.0V
3.6V
5.5V
Standby Current
(Low Voltage)
VCC Low Voltage
Protection
VCC Low Voltage
Detection
PS023803-0305
TA= -40°C to +125°C
Min
Typ(7)
Max
Units Conditions
2.0
5.5
V
See Note 5
0.8 VCC
VCC+0.3 V
Driven by External
Clock Generator
VSS–0.3
0.4
V
Driven by External
Clock Generator
0.7 VCC
VCC+0.3 V
VSS–0.3
0.2 VCC V
VCC–0.4
V
IOH = –0.5mA
VCC–0.8
V
IOH = –7mA
0.4
0.8
V
V
25
mV
0
VDD
-1.75
V
–1
1
µA
200
50
25
–1
1
5
10
0.5
0.8
1.3
1.6
1.8
1.9
5
8
15
1.2
700
300
175
1
3
10
15
1.6
2.0
3.2
15
20
25
30
40
60
6
KΩ
KΩ
KΩ
µA
mA
mA
mA
mA
mA
mA
µA
µA
µA
µA
µA
µA
µA
1.9
2.15
V
2.4
Notes
5
IOL = 4.0mA
IOL = 10mA
VIN = 0V, VCC
Pull-ups disabled
VIN = 0V; Pullups selected by mask
option
VIN = 0V, VCC
at 8.0 MHz
at 8.0 MHz
at 8.0 MHz
VIN = 0V, Clock at 8.0MHz
VIN = 0V, Clock at 8.0MHz
VIN = 0V, Clock at 8.0MHz
VIN = 0 V, VCC WDT not Running
VIN = 0 V, VCC WDT not Running
VIN = 0 V, VCC WDT not Running
VIN = 0 V, VCC WDT is Running
VIN = 0 V, VCC WDT is Running
VIN = 0 V, VCC WDT is Running
Measured at 1.3V
8MHz maximum
Ext. CLK Freq.
V
DC Characteristics
1, 2
1, 2
1, 2
1, 2, 6
1, 2, 6
1, 2, 6
3
3
3
3
3
3
4
ZGP323H
Product Specification
15
Table 11. GP323HA DC Characteristics (Continued)
Symbol
VHVD
Parameter
Vcc High Voltage
Detection
VCC
TA= -40°C to +125°C
Min
Typ(7)
Max
2.7
Units Conditions
V
Notes
Notes:
1. All outputs unloaded, inputs at rail.
2. CL1 = CL2 = 100 pF.
3. Oscillator stopped.
4. Oscillator stops when VCC falls below VBO limit.
5. It is strongly recommended to add a filter capacitor (minimum 0.1 µF), physically close to VCC and VSS pins if operating
voltage fluctuations are anticipated, such as those resulting from driving an Infrared LED.
6. Comparator and Timers are on. Interrupt disabled.
7. Typical values shown are at 25 degrees C.
Table 12. EPROM/OTP Characteristics
Symbol
Parameter
Min.
Erase Time
15
Data Retention @ use years
Program/Erase Endurance
Typ.
10
100
Max. Unit
Notes
Minutes
1,3
Years
2
Cycles
1
Notes:
1. For windowed cerdip package only.
2. Standard: 0°C to 70°C; Extended: -40°C to +105°C; Automotive: -40°C to +125°C.
Determined using the Arrhenius model, which is an industry standard for estimating data
retention of floating gate technologies:
AF = exp[(Ea/k)*(1/Tuse - 1/TStress)]
Where:
Ea is the intrinsic activation energy (eV; typ. 0.8)
k is Boltzman’s constant (8.67 x 10-5 eV/°K)
°K = -273.16°C
Tuse = Use Temperature in °K
TStress = Stress Temperature in °K
3. At a stable UV Lamp output of 20mW/CM2
PS023803-0305
DC Characteristics
ZGP323H
Product Specification
16
AC Characteristics
Figure 8 and Table 13 describe the Alternating Current (AC) characteristics.
1
3
Clock
2
7
2
3
7
TIN
4
5
6
IRQN
8
9
Clock
Setup
11
Stop
Mode
Recovery
Source
10
Figure 8. AC Timing Diagram
PS023803-0305
AC Characteristics
ZGP323H
Product Specification
17
Table 13. AC Characteristics
TA=0°C to +70°C (S)
–40°C to +105°C (E)
–40°C to +125°C (A)
8.0MHz
No Symbol
Parameter
VCC
Minimum
Maximum
Watch-Dog
Timer
Mode
Register
Units Notes (D1, D0)
1
TpC
Input Clock Period
2.0–5.5
121
DC
ns
1
2
TrC,TfC
Clock Input Rise and 2.0–5.5
Fall Times
25
ns
1
3
TwC
Input Clock Width
2.0–5.5
37
ns
1
4
TwTinL
Timer Input
Low Width
2.0
5.5
100
70
ns
1
5
TwTinH
Timer Input High
Width
2.0–5.5
3TpC
1
6
TpTin
Timer Input Period
2.0–5.5
8TpC
1
7
TrTin,TfTin Timer Input Rise and 2.0–5.5
Fall Timers
8
TwIL
Interrupt Request
Low Time
2.0
5.5
100
70
9
TwIH
Interrupt Request
Input High Time
2.0–5.5
5TpC
Stop-Mode
Recovery Width
Spec
2.0–5.5
12
11 Tost
Oscillator
Start-Up Time
2.0–5.5
12 Twdt
Watch-Dog Timer
Delay Time
2.0–5.5
2.0–5.5
2.0–5.5
2.0–5.5
5
10
20
80
13 TPOR
Power-On Reset
2.0–5.5
2.5
10 Twsm
100
ns
1
ns
1, 2
1, 2
ns
5TpC
3
4
5TpC
4
ms
ms
ms
ms
10
0, 0
0, 1
1, 0
1, 1
ms
Notes:
1. Timing Reference uses 0.9 VCC for a logic 1 and 0.1 VCC for a logic 0.
2. Interrupt request through Port 3 (P33–P31).
3. SMR – D5 = 1.
4. SMR – D5 = 0.
PS023803-0305
AC Characteristics
ZGP323H
Product Specification
18
Pin Functions
XTAL1 Crystal 1 (Time-Based Input)
This pin connects a parallel-resonant crystal or ceramic resonator to the on-chip
oscillator input. Additionally, an optional external single-phase clock can be coded
to the on-chip oscillator input.
XTAL2 Crystal 2 (Time-Based Output)
This pin connects a parallel-resonant crystal or ceramic resonant to the on-chip
oscillator output.
Port 0 (P07–P00)
Port 0 is an 8-bit, bidirectional, CMOS-compatible port. These eight I/O lines are
configured under software control as a nibble I/O port. The output drivers are
push-pull or open-drain controlled by bit D2 in the PCON register.
If one or both nibbles are needed for I/O operation, they must be configured by
writing to the Port 0 mode register. After a hardware reset, Port 0 is configured as
an input port.
An optional pull-up transistor is available as a mask option on all Port 0 bits with
nibble select.
Notes: Internal pull-ups are disabled on any given pin or group of port
pins when programmed into output mode.
The Port 0 direction is reset to its default state following an
SMR.
PS023803-0305
Pin Functions
ZGP323H
Product Specification
19
4
Z8 GP
OTP
Port 0 (I/O)
4
Open-Drain
OTP Programming
Option
VCC
Resistive
Transistor
Pull-up
I/O
Pad
Out
In
Figure 9. Port 0 Configuration
Port 1 (P17–P10)
Port 1 (see Figure 10) Port 1 can be configured for standard port input or output
mode. After POR, Port 1 is configured as an input port. The output drivers are
either push-pull or open-drain and are controlled by bit D1 in the PCON register.
Note: The Port 1 direction is reset to its default state following an
SMR.
PS023803-0305
Pin Functions
ZGP323H
Product Specification
20
Z8 GP
OTP
8
Open-Drain
OEN
Port 1 (I/O)
V
OTP Programming CC
Option
Resistive
Transistor
Pull-up
Pad
Out
In
Figure 10. Port 1 Configuration
Port 2 (P27–P20)
Port 2 is an 8-bit, bidirectional, CMOS-compatible I/O port (see Figure 11). These
eight I/O lines can be independently configured under software control as inputs
or outputs. Port 2 is always available for I/O operation. A mask option is available
to connect eight pull-up transistors on this port. Bits programmed as outputs are
globally programmed as either push-pull or open-drain. The POR resets with the
eight bits of Port 2 configured as inputs.
Port 2 also has an 8-bit input OR and AND gate, which can be used to wake up
the part. P20 can be programmed to access the edge-detection circuitry in
demodulation mode.
PS023803-0305
Pin Functions
ZGP323H
Product Specification
21
Z8 GP
OTP
Open-Drain
Port 2 (I/O)
OTP Programming
Option
VCC
I/O
Resistive
Transistor
Pull-up
Pad
Out
In
Figure 11. Port 2 Configuration
Port 3 (P37–P30)
Port 3 is a 8-bit, CMOS-compatible fixed I/O port (see Figure 12). Port 3 consists
of four fixed input (P33–P30) and four fixed output (P37–P34), which can be configured under software control for interrupt and as output from the counter/timers.
P30, P31, P32, and P33 are standard CMOS inputs; P34, P35, P36, and P37 are
push-pull outputs.
PS023803-0305
Pin Functions
ZGP323H
Product Specification
22
Pref1/P30
P31
P32
P33
Z8 GP
OTP
P34
P35
Port 3 (I/O)
P36
P37
R247 = P3M
D1
Dig.
P31 (AN1)
Pref1
+
Comp1
-
P32 (AN2)
P33 (REF2)
1 = Analog
0 = Digital
+
Comp2
IRQ2, P31 Data Latch
An.
IRQ0, P32 Data Latch
-
From Stop Mode Recovery Source of SMR
IRQ1, P33 Data Latch
Figure 12. Port 3 Configuration
Two on-board comparators process analog signals on P31 and P32, with reference to the voltage on Pref1 and P33. The analog function is enabled by programming the Port 3 Mode Register (bit 1). P31 and P32 are programmable as rising,
falling, or both edge triggered interrupts (IRQ register bits 6 and 7). Pref1 and P33
are the comparator reference voltage inputs. Access to the Counter Timer edgedetection circuit is through P31 or P20 (see “T8 and T16 Common Functions—
PS023803-0305
Pin Functions
ZGP323H
Product Specification
23
CTR1(0D)01H” on page 35). Other edge detect and IRQ modes are described in
Table 14.
Note: Comparators are powered down by entering Stop Mode. For
P31–P33 to be used in a Stop Mode Recovery (SMR) source,
these inputs must be placed into digital mode.
2
Table 14. Port 3 Pin Function Summary
Pin
I/O
Pref1/P30
IN
P31
IN
P32
Counter/Timers
Comparator
Interrupt
RF1
IN
AN1
IRQ2
IN
AN2
IRQ0
P33
IN
RF2
IRQ1
P34
OUT
T8
P35
OUT
T16
P36
OUT
T8/16
P37
OUT
P20
I/O
AO1
AO2
IN
Port 3 also provides output for each of the counter/timers and the AND/OR Logic
(see Figure 13). Control is performed by programming bits D5–D4 of CTR1, bit 0
of CTR0, and bit 0 of CTR2.
PS023803-0305
Pin Functions
ZGP323H
Product Specification
24
CTR0, D0
P34 data
T8_Out
MUX
PCON, D0
VDD
MUX
Pad
P34
P3M D1
P31
P31
P30 (Pref1)
+
-
Comp1
CTR2, D0
Out 35
T16_Out
VDD
MUX
Pad
P35
CTR1, D6
Out 36
T8/T16_Out
VDD
MUX
Pad
P36
PCON, D0
P37 data
VDD
MUX
P3M D1
Pad
P37
P32
P32
P33
+
-
Comp2
Figure 13. Port 3 Counter/Timer Output Configuration
PS023803-0305
Pin Functions
ZGP323H
Product Specification
25
Comparator Inputs
In analog mode, P31 and P32 have a comparator front end. The comparator reference is supplied to P33 and Pref1. In this mode, the P33 internal data latch and its
corresponding IRQ1 are diverted to the SMR sources (excluding P31, P32, and
P33) as indicated in Figure 12 on page 22. In digital mode, P33 is used as D3 of
the Port 3 input register, which then generates IRQ1.
Note: Comparators are powered down by entering Stop Mode. For
P31–P33 to be used in a Stop Mode Recovery source, these
inputs must be placed into digital mode.
Comparator Outputs
These channels can be programmed to be output on P34 and P37 through the
PCON register.
RESET (Input, Active Low)
Reset initializes the MCU and is accomplished either through Power-On, WatchDog Timer, Stop Mode Recovery, Low-Voltage detection, or external reset. During
Power-On Reset and Watch-Dog Timer Reset, the internally generated reset
drives the reset pin Low for the POR time. Any devices driving the external reset
line must be open-drain to avoid damage from a possible conflict during reset conditions. Pull-up is provided internally.
When the Z8 GP asserts (Low) the RESET pin, the internal pull-up is disabled.
The Z8 GP does not assert the RESET pin when under VBO.
Note: The external Reset does not initiate an exit from STOP mode.
Functional Description
This device incorporates special functions to enhance the Z8®’ functionality in
consumer and battery-operated applications.
Program Memory
This device addresses up to 32KB of OTP memory. The first 12 Bytes are
reserved for interrupt vectors. These locations contain the six 16-bit vectors that
correspond to the six available interrupts.
RAM
This device features 256B of RAM. See Figure 14.
PS023803-0305
Functional Description
ZGP323H
Product Specification
26
Location of
first Byte of
instruction
executed
after RESET
32768
Not Accessible
On-Chip
ROM
12
Reset Start Address
11
IRQ5
10
IRQ5
9
IRQ4
8
IRQ4
7
IRQ3
6
IRQ3
5
IRQ2
4
Interrupt Vector
(Upper Byte) 3
IRQ2
2
IRQ1
1
IRQ0
0
IRQ0
Interrupt Vector
(Lower Byte)
IRQ1
Figure 14. Program Memory Map (32K OTP)
Expanded Register File
The register file has been expanded to allow for additional system control registers and for mapping of additional peripheral devices into the register address
area. The Z8® register address space (R0 through R15) has been implemented
as 16 banks, with 16 registers per bank. These register groups are known as the
PS023803-0305
Functional Description
ZGP323H
Product Specification
27
ERF (Expanded Register File). Bits 7–4 of register RP select the working register
group. Bits 3–0 of register RP select the expanded register file bank.
Note: An expanded register bank is also referred to as an expanded
register group (see Figure 15).
PS023803-0305
Functional Description
ZGP323H
Product Specification
28
Reset Condition
Z8® Standard Control Registers
Expanded Reg. Bank 0/Group 15** D7 D6 D5 D4 D3 D2 D1 D0
Register Pointer
7 6 5 4 3 2 1 0
Working Register
Group Pointer
Expanded Register
Bank Pointer
*
*
Register File (Bank 0)**
FF
F0
FF
SPL
U U U U U U U U
FE
SPH
U U U U U U U U
FD
RP
0 0 0 0 0 0 0 0
FC
FLAGS
U U U U U U U U
FB
IMR
U U U U U U U U
FA
IRQ
0 0 0 0 0 0 0 0
F9
IPR
U U U U U U U U
F8
P01M
1 1 0 0 1 1 1 1
F7
P3M
0 0 0 0 0 0 0 0
F6
P2M
1 1 1 1 1 1 1 1
F5
Reserved
U U U U U U U U
F4
Reserved
U U U U U U U U
F3
Reserved
U U U U U U U U
F2
Reserved
U U U U U U U U
F1
Reserved
F0
Reserved
U U U U U U U U
U U U U U U U U
Expanded Reg. Bank F/Group 0**
*
(F) 0F WDTMR
U U 0 0 1 1 0 1
(F) 0E Reserved
*
(F) 0D SMR2
0 0 0 0 0 0 0 0
(F) 0C Reserved
↑
7F
(F) 0B SMR
U 0 1 0 0 0 U 0
(F) 0A Reserved
(F) 09 Reserved
(F) 08 Reserved
(F) 07 Reserved
(F) 06 Reserved
(F) 05 Reserved
(F) 04 Reserved
0F
00
(F) 03 Reserved
(F) 02 Reserved
(F) 01 Reserved
Expanded Reg. Bank 0/Group (0)
(0) 03 P3
U
0
*
(F) 00 PCON
1 1 1 1 1 1 1 0
Expanded Reg. Bank D/Group 0
(D) 0C
LVD
*
*
*
(D) 0B
HI8
U U U U U U U 0
0 0 0 0 0 0 0 0
(D) 0A
LO8
0 0 0 0 0 0 0 0
(D) 09
HI16
(D) 08
LO16
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
U = Unknown
*
*
(D) 07
TC16H
* Is not reset with a Stop-Mode Recovery
*
(D) 06
TC16L
*
*
(D) 05
TC8H
0 0 0 0 0 0 0 0
(D) 04
TC8L
↑↑
↑↑↑
(D) 03
CTR3
0 0 0 0 0 0 0 0
0 0 0 1 1 1 1 1
(D) 02
CTR2
0 0 0 0 0 0 0 0
↑↑↑↑
(D) 01
CTR1
↑↑↑↑↑
(D) 00
CTR0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
(0) 02 P2
U
* (0) 01 P1
U
(0) 00 P0
U
** All addresses are in hexadecimal
↑ Is not reset with a Stop-Mode Recovery, except Bit 0
↑↑ Bit 5 Is not reset with a Stop-Mode Recovery
↑↑↑ Bits 5,4,3,2 not reset with a Stop-Mode Recovery
↑↑↑↑ Bits 5 and 4 not reset with a Stop-Mode Recovery
↑↑↑↑↑ Bits 5,4,3,2,1 not reset with a Stop-Mode Recovery
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
Figure 15. Expanded Register File Architecture
PS023803-0305
Functional Description
ZGP323H
Product Specification
29
The upper nibble of the register pointer (see Figure 16) selects which working register group, of 16 bytes in the register file, is accessed out of the possible 256. The
lower nibble selects the expanded register file bank and, in the case of the Z8 GP
family, banks 0, F, and D are implemented. A 0H in the lower nibble allows the normal register file (bank 0) to be addressed. Any other value from 1H to FH
exchanges the lower 16 registers to an expanded register bank.
R253 RP
D7
D6
D5
D4
D3
D2
D1
D0
Expanded Register
File Pointer
Default Setting After Reset = 0000 0000
Working Register
Pointer
Figure 16. Register Pointer
Example: Z8 GP: (See Figure 15 on page 28)
R253 RP = 00h
R0 = Port 0
R1 = Port 1
R2 = Port 2
R3 = Port 3
But if:
R253 RP = 0Dh
R0 = CTR0
R1 = CTR1
R2 = CTR2
R3 = Reserved
PS023803-0305
Functional Description
ZGP323H
Product Specification
30
The counter/timers are mapped into ERF group D. Access is easily performed
using the following:
LD
for access to bank D
RP, #0Dh
; Select ERF D
; (working
register group 0)
LD
LD
LD
LD
for access to bank D
R0,#xx
1, #xx
R1, 2
; load CTR0
; load CTR1
; CTR2→CTR1
RP, #0Dh
; Select ERF D
; (working
register group 0)
LD
expanded register
group 7 of bank 0
LD
; CTRL2→register
LD
; CTRL2→register
RP, #7Dh
bank D and working
for access.
71h, 2
71h
R1, 2
71h
; Select
; register
Register File
The register file (bank 0) consists of 4 I/O port registers, 237 general-purpose registers, 16 control and status registers (R0–R3, R4–R239, and R240–R255,
respectively), and two expanded registers groups in Banks D (see Table 15) and
F. Instructions can access registers directly or indirectly through an 8-bit address
field, thereby allowing a short, 4-bit register address to use the Register Pointer
(Figure 17). In the 4-bit mode, the register file is divided into 16 working register
groups, each occupying 16 continuous locations. The Register Pointer addresses
the starting location of the active working register group.
Note: Working register group E0–EF can only be accessed through
working registers and indirect addressing modes.
PS023803-0305
Functional Description
ZGP323H
Product Specification
31
R7 R6 R5 R4
R3 R2 R1 R R253
The upper nibble of the register file address
provided by the register pointer specifies the
active working-register group.
FF
F0
EF
E0
DF
D0
40
3F
30
2F
Specified Working
Register Group
Register Group 2
20
1F
10
0F
00
The lower nibble of the
register file address provided
by the instruction points to
the specified register.
Register Group 1
R15 to R0
Register Group 0
I/O Ports
R15 to R4 *
R3 to R0 *
* RP = 00: Selects Register Bank 0, Working Register Group 0
Figure 17. Register Pointer—Detail
Stack
The internal register file is used for the stack. An 8-bit Stack Pointer SPL (R255) is
used for the internal stack that resides in the general-purpose registers (R4–
R239). SPH (R254) can be used as a general-purpose register.
PS023803-0305
Functional Description
ZGP323H
Product Specification
32
Timers
T8_Capture_HI—HI8(D)0BH
This register holds the captured data from the output of the 8-bit Counter/Timer0.
Typically, this register holds the number of counts when the input signal is 1.
Field
Bit Position
T8_Capture_HI
[7:0]
Description
R/W
Captured Data - No Effect
T8_Capture_LO—L08(D)0AH
This register holds the captured data from the output of the 8-bit Counter/Timer0.
Typically, this register holds the number of counts when the input signal is 0.
Field
Bit Position
T8_Capture_L0
[7:0]
Description
R/W
Captured Data - No Effect
T16_Capture_HI—HI16(D)09H
This register holds the captured data from the output of the 16-bit Counter/
Timer16. This register holds the MS-Byte of the data.
Field
Bit Position
T16_Capture_HI [7:0]
Description
R/W
Captured Data - No Effect
T16_Capture_LO—L016(D)08H
This register holds the captured data from the output of the 16-bit Counter/
Timer16. This register holds the LS-Byte of the data.
Field
Bit Position
T16_Capture_LO [7:0]
Description
R/W Captured Data - No Effect
Counter/Timer2 MS-Byte Hold Register—TC16H(D)07H
PS023803-0305
Field
Bit Position
T16_Data_HI
[7:0]
Description
R/W
Data
Functional Description
ZGP323H
Product Specification
33
Counter/Timer2 LS-Byte Hold Register—TC16L(D)06H
Field
Bit Position
T16_Data_LO
[7:0]
Description
R/W
Data
Counter/Timer8 High Hold Register—TC8H(D)05H
Field
Bit Position
T8_Level_HI
[7:0]
Description
R/W
Data
Counter/Timer8 Low Hold Register—TC8L(D)04H
Field
Bit Position
T8_Level_LO
[7:0]
Description
R/W
Data
CTR0 Counter/Timer8 Control Register—CTR0(D)00H
Table 15 lists and briefly describes the fields for this register.
Table 15. CTR0(D)00H Counter/Timer8 Control Register
Field
Bit Position
Value
Description
T8_Enable
7-------
R/W
0*
1
0
1
Counter Disabled
Counter Enabled
Stop Counter
Enable Counter
Single/Modulo-N
-6-------
R/W
0*
1
Modulo-N
Single Pass
Time_Out
--5------
R/W
0**
1
0
1
No Counter Time-Out
Counter Time-Out Occurred
No Effect
Reset Flag to 0
T8 _Clock
---43---
R/W
0 0**
01
10
11
SCLK
SCLK/2
SCLK/4
SCLK/8
Capture_INT_Mask
-----2--
R/W
0**
1
Disable Data Capture Interrupt
Enable Data Capture Interrupt
PS023803-0305
Functional Description
ZGP323H
Product Specification
34
Table 15. CTR0(D)00H Counter/Timer8 Control Register (Continued)
Field
Bit Position
Counter_INT_Mask
------1-
P34_Out
-------0
Value
Description
R/W
0**
1
Disable Time-Out Interrupt
Enable Time-Out Interrupt
R/W
0*
1
P34 as Port Output
T8 Output on P34
Note:
*Indicates the value upon Power-On Reset.
**Indicates the value upon Power-On Reset. Not reset with a Stop Mode recovery.
T8 Enable
This field enables T8 when set (written) to 1.
Single/Modulo-N
When set to 0 (Modulo-N), the counter reloads the initial value when the terminal
count is reached. When set to 1 (single-pass), the counter stops when the terminal count is reached.
Timeout
This bit is set when T8 times out (terminal count reached). To reset this bit, write a
1 to its location.
Caution:
Writing a 1 is the only way to reset the Terminal Count
status condition. Reset this bit before using/enabling the
counter/timers.
The first clock of T8 might not have complete clock width
and can occur any time when enabled.
Note: Take care when using the OR or AND commands to manipulate
CTR0, bit 5 and CTR1, bits 0 and 1 (Demodulation Mode).
These instructions use a Read-Modify-Write sequence in which
the current status from the CTR0 and CTR1 registers is ORed
or ANDed with the designated value and then written back into
the registers.
T8 Clock
This bit defines the frequency of the input signal to T8.
PS023803-0305
Functional Description
ZGP323H
Product Specification
35
Capture_INT_Mask
Set this bit to allow an interrupt when data is captured into either LO8 or HI8 upon
a positive or negative edge detection in demodulation mode.
Counter_INT_Mask
Set this bit to allow an interrupt when T8 has a timeout.
P34_Out
This bit defines whether P34 is used as a normal output pin or the T8 output.
T8 and T16 Common Functions—CTR1(0D)01H
This register controls the functions in common with the T8 and T16.
Table 16 lists and briefly describes the fields for this register.
Table 16. CTR1(0D)01H T8 and T16 Common Functions
Field
Mode
Bit Position
7-------
R/W
P36_Out/
Demodulator_Input
-6------
R/W
Value
0*
0*
1
0*
1
T8/T16_Logic/
Edge _Detect
--54----
R/W
00**
01
10
11
00**
01
10
11
PS023803-0305
Description
Transmit Mode
Demodulation Mode
Transmit Mode
Port Output
T8/T16 Output
Demodulation Mode
P31
P20
Transmit Mode
AND
OR
NOR
NAND
Demodulation Mode
Falling Edge
Rising Edge
Both Edges
Reserved
Functional Description
ZGP323H
Product Specification
36
Table 16. CTR1(0D)01H T8 and T16 Common Functions (Continued)
Field
Transmit_Submode/
Glitch_Filter
Bit Position
----32--
Value
R/W
00*
01
10
11
00*
01
10
11
Initial_T8_Out/
Rising Edge
------1R/W
0*
1
R
0*
1
0
1
W
Initial_T16_Out/
Falling_Edge
-------0
R/W
0*
1
R
0*
1
0
1
W
Description
Transmit Mode
Normal Operation
Ping-Pong Mode
T16_Out = 0
T16_Out = 1
Demodulation Mode
No Filter
4 SCLK Cycle
8 SCLK Cycle
Reserved
Transmit Mode
T8_OUT is 0 Initially
T8_OUT is 1 Initially
Demodulation Mode
No Rising Edge
Rising Edge Detected
No Effect
Reset Flag to 0
Transmit Mode
T16_OUT is 0 Initially
T16_OUT is 1 Initially
Demodulation Mode
No Falling Edge
Falling Edge Detected
No Effect
Reset Flag to 0
Note:
*Default at Power-On Reset
*Default at Power-On Reset. Not reset with Stop Mode recovery.
Mode
If the result is 0, the counter/timers are in TRANSMIT mode; otherwise, they are in
DEMODULATION mode.
P36_Out/Demodulator_Input
In TRANSMIT Mode, this bit defines whether P36 is used as a normal output pin
or the combined output of T8 and T16.
In DEMODULATION Mode, this bit defines whether the input signal to the
Counter/Timers is from P20 or P31.
If the input signal is from Port 31, a capture event may also generate an IRQ2
interrupt. To prevent generating an IRQ2, either disable the IRQ2 interrupt by
clearing its IMR bit D2 or use P20 as the input.
PS023803-0305
Functional Description
ZGP323H
Product Specification
37
T8/T16_Logic/Edge _Detect
In TRANSMIT Mode, this field defines how the outputs of T8 and T16 are combined (AND, OR, NOR, NAND).
In DEMODULATION Mode, this field defines which edge should be detected by
the edge detector.
Transmit_Submode/Glitch Filter
In Transmit Mode, this field defines whether T8 and T16 are in the PING-PONG
mode or in independent normal operation mode. Setting this field to “NORMAL
OPERATION Mode” terminates the “PING-PONG Mode” operation. When set to
10, T16 is immediately forced to a 0; a setting of 11 forces T16 to output a 1.
In DEMODULATION Mode, this field defines the width of the glitch that must be filtered out.
Initial_T8_Out/Rising_Edge
In TRANSMIT Mode, if 0, the output of T8 is set to 0 when it starts to count. If 1,
the output of T8 is set to 1 when it starts to count. When the counter is not enabled
and this bit is set to 1 or 0, T8_OUT is set to the opposite state of this bit. This
ensures that when the clock is enabled, a transition occurs to the initial state set
by CTR1, D1.
In DEMODULATION Mode, this bit is set to 1 when a rising edge is detected in the
input signal. In order to reset the mode, a 1 should be written to this location.
Initial_T16 Out/Falling _Edge
In TRANSMIT Mode, if it is 0, the output of T16 is set to 0 when it starts to count. If
it is 1, the output of T16 is set to 1 when it starts to count. This bit is effective only
in Normal or PING-PONG Mode (CTR1, D3; D2). When the counter is not enabled
and this bit is set, T16_OUT is set to the opposite state of this bit. This ensures
that when the clock is enabled, a transition occurs to the initial state set by CTR1,
D0.
In DEMODULATION Mode, this bit is set to 1 when a falling edge is detected in
the input signal. In order to reset it, a 1 should be written to this location.
Note: Modifying CTR1 (D1 or D0) while the counters are enabled
causes unpredictable output from T8/16_OUT.
CTR2 Counter/Timer 16 Control Register—CTR2(D)02H
Table 17 lists and briefly describes the fields for this register.
PS023803-0305
Functional Description
ZGP323H
Product Specification
38
Table 17. CTR2(D)02H: Counter/Timer16 Control Register
Field
Bit Position
T16_Enable
7-------
R
W
Single/Modulo-N
-6------
Value
Description
0*
1
0
1
Counter Disabled
Counter Enabled
Stop Counter
Enable Counter
R/W
0*
1
0
1
Time_Out
--5-----
Transmit Mode
Modulo-N
Single Pass
Demodulation Mode
T16 Recognizes Edge
T16 Does Not Recognize
Edge
R
0*
1
W
0
1
No Counter Timeout
Counter Timeout
Occurred
No Effect
Reset Flag to 0
T16 _Clock
---43---
R/W
00**
01
10
11
SCLK
SCLK/2
SCLK/4
SCLK/8
Capture_INT_Mask
-----2--
R/W
0**
1
Disable Data Capture Int.
Enable Data Capture Int.
Counter_INT_Mask
------1-
R/W
0*
Disable Timeout Int.
Enable Timeout Int.
P35_Out
-------0
R/W
0*
1
P35 as Port Output
T16 Output on P35
Note:
*Indicates the value upon Power-On Reset.
**Indicates the value upon Power-On Reset. Not reset with a Stop Mode recovery.
T16_Enable
This field enables T16 when set to 1.
Single/Modulo-N
In TRANSMIT Mode, when set to 0, the counter reloads the initial value when it
reaches the terminal count. When set to 1, the counter stops when the terminal
count is reached.
PS023803-0305
Functional Description
ZGP323H
Product Specification
39
In Demodulation Mode, when set to 0, T16 captures and reloads on detection of
all the edges. When set to 1, T16 captures and detects on the first edge but
ignores the subsequent edges. For details, see the description of T16 Demodulation Mode on page 47.
Time_Out
This bit is set when T16 times out (terminal count reached). To reset the bit, write
a 1 to this location.
T16_Clock
This bit defines the frequency of the input signal to Counter/Timer16.
Capture_INT_Mask
This bit is set to allow an interrupt when data is captured into LO16 and HI16.
Counter_INT_Mask
Set this bit to allow an interrupt when T16 times out.
P35_Out
This bit defines whether P35 is used as a normal output pin or T16 output.
CTR3 T8/T16 Control Register—CTR3(D)03H
Table 18 lists and briefly describes the fields for this register. This register allows
the T8 and T16 counters to be synchronized.
Table 18. CTR3 (D)03H: T8/T16 Control Register
Field
Bit Position
T16 Enable
7-------
T8 Enable
Sync Mode
PS023803-0305
Value
Description
R
R
W
W
0*
1
0
1
Counter Disabled
Counter Enabled
Stop Counter
Enable Counter
-6------
R
R
W
W
0*
1
0
1
Counter Disabled
Counter Enabled
Stop Counter
Enable Counter
--5-----
R/W
0**
1
Disable Sync Mode
Enable Sync Mode
Functional Description
ZGP323H
Product Specification
40
Table 18. CTR3 (D)03H: T8/T16 Control Register (Continued)
Field
Bit Position
Reserved
---43210
R
W
Value
Description
1
x
Always reads 11111
No Effect
*Indicates the value upon Power-On Reset.
**Indicates the value upon Power-On Reset. Not reset with a Stop Mode recovery.
Counter/Timer Functional Blocks
Input Circuit
The edge detector monitors the input signal on P31 or P20. Based on CTR1 D5–
D4, a pulse is generated at the Pos Edge or Neg Edge line when an edge is
detected. Glitches in the input signal that have a width less than specified (CTR1
D3, D2) are filtered out (see Figure 18).
CTR1
D5,D4
Pos
Edge
P31
MUX
Glitch
Filter
P20
CTR1
D6
Edge
Detector
Neg
Edge
CTR1
D3, D2
Figure 18. Glitch Filter Circuitry
T8 Transmit Mode
Before T8 is enabled, the output of T8 depends on CTR1, D1. If it is 0, T8_OUT is
1; if it is 1, T8_OUT is 0. See Figure 19.
PS023803-0305
Functional Description
ZGP323H
Product Specification
41
T8 (8-Bit)
Transmit Mode
No
T8_Enable Bit Set
CTR0, D7
Yes
Reset T8_Enable Bit
0
CTR1, D1
Value
Load TC8H
Set T8_OUT
Load TC8L
Reset T8_OUT
Set Timeout Status Bit
(CTR0 D5) and Generate
Timeout_Int if Enabled
1
Enable T8
No
T8_Timeout
Yes
Single Pass
Single
Pass?
Modulo-N
1
T8_OUT Value
Load TC8L
Reset T8_OUT
Load TC8H
Set T8_OUT
Enable T8
No
0
Set Timeout Status Bit
(CTR0 D5) and Generate
Timeout_Int if Enabled
T8_Timeout
Yes
Figure 19. Transmit Mode Flowchart
PS023803-0305
Functional Description
ZGP323H
Product Specification
42
When T8 is enabled, the output T8_OUT switches to the initial value (CTR1, D1).
If the initial value (CTR1, D1) is 0, TC8L is loaded; otherwise, TC8H is loaded into
the counter. In SINGLE-PASS Mode (CTR0, D6), T8 counts down to 0 and stops,
T8_OUT toggles, the timeout status bit (CTR0, D5) is set, and a timeout interrupt
can be generated if it is enabled (CTR0, D1). In Modulo-N Mode, upon reaching
terminal count, T8_OUT is toggled, but no interrupt is generated. From that point,
T8 loads a new count (if the T8_OUT level now is 0), TC8L is loaded; if it is 1,
TC8H is loaded. T8 counts down to 0, toggles T8_OUT, and sets the timeout status bit (CTR0, D5), thereby generating an interrupt if enabled (CTR0, D1). One
cycle is thus completed. T8 then loads from TC8H or TC8L according to the
T8_OUT level and repeats the cycle. See Figure 20.
Z8® Data Bus
CTR0 D2
Positive Edge
IRQ4
Negative Edge
HI8
LO8
CTR0 D1
CTR0 D4, D3
SCLK
Clock
Clock
Select
TC8H
8-Bit
Counter T8
T8_OUT
TC8L
Z8® Data Bus
Figure 20. 8-Bit Counter/Timer Circuits
You can modify the values in TC8H or TC8L at any time. The new values take
effect when they are loaded.
Caution:
PS023803-0305
To ensure known operation do not write these registers at
the time the values are to be loaded into the counter/timer.
An initial count of 1 is not allowed (a non-function occurs). An
initial count of 0 causes TC8 to count from 0 to FFH to FEH.
Functional Description
ZGP323H
Product Specification
43
Note: The letter h denotes hexadecimal values.
Transition from 0 to FFh is not a timeout condition.
Caution:
Using the same instructions for stopping the counter/timers
and setting the status bits is not recommended.
Two successive commands are necessary. First, the counter/timers must be
stopped. Second, the status bits must be reset. These commands are required
because it takes one counter/timer clock interval for the initiated event to actually
occur. See Figure 21 and Figure 22.
TC8H
Counts
Counter Enable Command;
T8_OUT Switches to Its
Initial Value (CTR1 D1)
T8_OUT Toggles;
Timeout Interrupt
Figure 21. T8_OUT in Single-Pass Mode
T8_OUT Toggles
...
T8_OUT
TC8L
TC8H
Counter Enable Command;
T8_OUT Switches to Its
Initial Value (CTR1 D1)
TC8L
Timeout
Interrupt
TC8H
TC8L
Timeout
Interrupt
Figure 22. T8_OUT in Modulo-N Mode
T8 Demodulation Mode
The user must program TC8L and TC8H to FFH. After T8 is enabled, when the first
edge (rising, falling, or both depending on CTR1, D5; D4) is detected, it starts to
count down. When a subsequent edge (rising, falling, or both depending on
CTR1, D5; D4) is detected during counting, the current value of T8 is complemented and put into one of the capture registers. If it is a positive edge, data is put
PS023803-0305
Functional Description
ZGP323H
Product Specification
44
into LO8; if it is a negative edge, data is put into HI8. From that point, one of the
edge detect status bits (CTR1, D1; D0) is set, and an interrupt can be generated if
enabled (CTR0, D2). Meanwhile, T8 is loaded with FFh and starts counting again.
If T8 reaches 0, the timeout status bit (CTR0, D5) is set, and an interrupt can be
generated if enabled (CTR0, D1). T8 then continues counting from FFH (see
Figure 23 and Figure 24).
T8 (8-Bit)
Count Capture
No
T8 Enable
(Set by User)
Yes
No
Edge Present
Yes
What Kind
of Edge
Negative
Positive
T8 HI8
T8 LO8
FFh T8
Figure 23. Demodulation Mode Count Capture Flowchart
PS023803-0305
Functional Description
ZGP323H
Product Specification
45
T8 (8-Bit)
Demodulation Mode
No
T8 Enable
CTR0, D7
Yes
FFH→ TC8
No
First
Edge Present
Yes
Enable TC8
Disable TC8
No
T8_Enable
Bit Set
Yes
No
Edge Present
Yes
Set Edge Present Status
Bit and Trigger Data
Capture Int. If Enabled
No
T8 Timeout
Yes
Set Timeout Status
Bit and Trigger
Timeout Int. If Enabled
Continue Counting
Figure 24. Demodulation Mode Flowchart
PS023803-0305
Functional Description
ZGP323H
Product Specification
46
T16 Transmit Mode
In NORMAL or PING-PONG mode, the output of T16 when not enabled, is dependent on CTR1, D0. If it is a 0, T16_OUT is a 1; if it is a 1, T16_OUT is 0. You can
force the output of T16 to either a 0 or 1 whether it is enabled or not by programming CTR1 D3; D2 to a 10 or 11.
When T16 is enabled, TC16H * 256 + TC16L is loaded, and T16_OUT is switched
to its initial value (CTR1, D0). When T16 counts down to 0, T16_OUT is toggled
(in NORMAL or PING-PONG mode), an interrupt (CTR2, D1) is generated (if
enabled), and a status bit (CTR2, D5) is set. See Figure 25.
Z8® Data Bus
CTR2 D2
Positive Edge
IRQ3
Negative Edge
HI16
LO16
CTR2 D1
CTR2 D4, D3
SCLK
Clock
Select
Clock
TC16H
16-Bit
Counter T16
T16_OUT
TC16L
Z8® Data Bus
Figure 25. 16-Bit Counter/Timer Circuits
Note: Global interrupts override this function as described in
“Interrupts” on page 50.
If T16 is in SINGLE-PASS mode, it is stopped at this point (see Figure 26). If it is
in Modulo-N Mode, it is loaded with TC16H * 256 + TC16L, and the counting continues (see Figure 27).
You can modify the values in TC16H and TC16L at any time. The new values take
effect when they are loaded.
PS023803-0305
Functional Description
ZGP323H
Product Specification
47
Caution:
Do not load these registers at the time the values are to be
loaded into the counter/timer to ensure known operation.
An initial count of 1 is not allowed. An initial count of 0
causes T16 to count from 0 to FFFFH to FFFEH. Transition
from 0 to FFFFH is not a timeout condition.
TC16H*256+TC16L Counts
“Counter Enable” Command
T16_OUT Switches to Its
Initial Value (CTR1 D0)
T16_OUT Toggles,
Timeout Interrupt
Figure 26. T16_OUT in Single-Pass Mode
TC16H*256+TC16L
TC16H*256+TC16L
...
TC16_OUT
TC16H*256+TC16L
“Counter Enable” Command,
T16_OUT Switches to Its
Initial Value (CTR1 D0)
T16_OUT Toggles,
Timeout Interrupt
T16_OUT Toggles,
Timeout Interrupt
Figure 27. T16_OUT in Modulo-N Mode
T16 DEMODULATION Mode
The user must program TC16L and TC16H to FFH. After T16 is enabled, and the
first edge (rising, falling, or both depending on CTR1 D5; D4) is detected, T16
captures HI16 and LO16, reloads, and begins counting.
If D6 of CTR2 Is 0
When a subsequent edge (rising, falling, or both depending on CTR1, D5; D4) is
detected during counting, the current count in T16 is complemented and put into
HI16 and LO16. When data is captured, one of the edge detect status bits (CTR1,
D1; D0) is set, and an interrupt is generated if enabled (CTR2, D2). T16 is loaded
with FFFFH and starts again.
This T16 mode is generally used to measure space time, the length of time
between bursts of carrier signal (marks).
PS023803-0305
Functional Description
ZGP323H
Product Specification
48
If D6 of CTR2 Is 1
T16 ignores the subsequent edges in the input signal and continues counting
down. A timeout of T8 causes T16 to capture its current value and generate an
interrupt if enabled (CTR2, D2). In this case, T16 does not reload and continues
counting. If the D6 bit of CTR2 is toggled (by writing a 0 then a 1 to it), T16 captures and reloads on the next edge (rising, falling, or both depending on CTR1,
D5; D4), continuing to ignore subsequent edges.
This T16 mode generally measures mark time, the length of an active carrier signal burst.
If T16 reaches 0, T16 continues counting from FFFFh. Meanwhile, a status bit
(CTR2 D5) is set, and an interrupt timeout can be generated if enabled (CTR2
D1).
Ping-Pong Mode
This operation mode is only valid in TRANSMIT Mode. T8 and T16 must be programmed in Single-Pass mode (CTR0, D6; CTR2, D6), and Ping-Pong mode
must be programmed in CTR1, D3; D2. The user can begin the operation by
enabling either T8 or T16 (CTR0, D7 or CTR2, D7). For example, if T8 is enabled,
T8_OUT is set to this initial value (CTR1, D1). According to T8_OUT's level,
TC8H or TC8L is loaded into T8. After the terminal count is reached, T8 is disabled, and T16 is enabled. T16_OUT then switches to its initial value (CTR1, D0),
data from TC16H and TC16L is loaded, and T16 starts to count. After T16 reaches
the terminal count, it stops, T8 is enabled again, repeating the entire cycle. Interrupts can be allowed when T8 or T16 reaches terminal control (CTR0, D1; CTR2,
D1). To stop the ping-pong operation, write 00 to bits D3 and D2 of CTR1. See
Figure 28.
Note: Enabling ping-pong operation while the counter/timers are
running might cause intermittent counter/timer function. Disable
the counter/timers and reset the status flags before instituting
this operation.
PS023803-0305
Functional Description
ZGP323H
Product Specification
49
Enable
TC8
Timeout
Enable
Ping-Pong
CTR1 D3,D2
TC16
Timeout
Figure 28. Ping-Pong Mode Diagram
Initiating PING-PONG Mode
First, make sure both counter/timers are not running. Set T8 into Single-Pass
mode (CTR0, D6), set T16 into SINGLE-PASS mode (CTR2, D6), and set the
Ping-Pong mode (CTR1, D2; D3). These instructions can be in random order.
Finally, start PING-PONG mode by enabling either T8 (CTR0, D7) or T16 (CTR2,
D7). See Figure 29.
P34_Internal
MUX
P34
CTR0 D0
T8_OUT
T16_OUT
P36_Internal
AND/OR/NOR/NAND
Logic
MUX
MUX
P36
CTR1 D6
CTR1, D2
CTR1 D5, D4
P35_Internal
MUX
P35
CTR1 D3
CTR2 D0
Figure 29. Output Circuit
The initial value of T8 or T16 must not be 1. Stopping the timer and restarting the
timer reloads the initial value to avoid an unknown previous value.
PS023803-0305
Functional Description
ZGP323H
Product Specification
50
During PING-PONG Mode
The enable bits of T8 and T16 (CTR0, D7; CTR2, D7) are set and cleared alternately by hardware. The timeout bits (CTR0, D5; CTR2, D5) are set every time the
counter/timers reach the terminal count.
Interrupts
The ZGP323H features six different interrupts (Table 19). The interrupts are
maskable and prioritized (Figure 30). The six sources are divided as follows: three
sources are claimed by Port 3 lines P33–P31, two by the counter/timers
(Table 19) and one for low voltage detection. The Interrupt Mask Register (globally
or individually) enables or disables the six interrupt requests.
The source for IRQ is determined by bit 1 of the Port 3 mode register (P3M).
When in digital mode, Pin P33 is the source. When in analog mode the output of
the Stop mode recovery source logic is used as the source for the interrupt. See
Figure 35, Stop Mode Recovery Source, on page 59.
PS023803-0305
Functional Description
ZGP323H
Product Specification
51
P33
Stop Mode Recovery Source
0
P31
IRQ Register
D6, D7
D1 of P3M Register
P32
Interrupt Edge
Select
IRQ2
1
IRQ0
Timer 16
IRQ1
IRQ3
Timer 8
IRQ4
Low-Voltage
Detection
IRQ5
IRQ
IMR
5
IPR
Global
Interrupt
Enable
Interrupt
Request
Priority
Logic
Vector Select
Figure 30. Interrupt Block Diagram
PS023803-0305
Functional Description
ZGP323H
Product Specification
52
Table 19. Interrupt Types, Sources, and Vectors
Name
Source
Vector Location
Comments
IRQ0
P32
0,1
External (P32), Rising, Falling Edge Triggered
IRQ1
P33
2,3
External (P33), Falling Edge Triggered
IRQ2
P31, TIN 4,5
External (P31), Rising, Falling Edge Triggered
IRQ3
T16
6,7
Internal
IRQ4
T8
8,9
Internal
IRQ5
LVD
10,11
Internal
When more than one interrupt is pending, priorities are resolved by a programmable priority encoder controlled by the Interrupt Priority Register. An interrupt
machine cycle activates when an interrupt request is granted. As a result, all subsequent interrupts are disabled, and the Program Counter and Status Flags are
saved. The cycle then branches to the program memory vector location reserved
for that interrupt. All ZGP323H interrupts are vectored through locations in the
program memory. This memory location and the next byte contain the 16-bit
address of the interrupt service routine for that particular interrupt request. To
accommodate polled interrupt systems, interrupt inputs are masked, and the Interrupt Request register is polled to determine which of the interrupt requests require
service.
An interrupt resulting from AN1 is mapped into IRQ2, and an interrupt from AN2 is
mapped into IRQ0. Interrupts IRQ2 and IRQ0 can be rising, falling, or both edge
triggered. These interrupts are programmable by the user. The software can poll
to identify the state of the pin.
Programming bits for the Interrupt Edge Select are located in the IRQ Register
(R250), bits D7 and D6. The configuration is indicated in Table 20.
Table 20. IRQ Register
IRQ
Interrupt Edge
D7
D6
IRQ2 (P31)
IRQ0 (P32)
0
0
F
F
0
1
F
R
1
0
R
F
1
1
R/F
R/F
Note: F = Falling Edge; R = Rising Edge
PS023803-0305
Functional Description
ZGP323H
Product Specification
53
Clock
The device’s on-chip oscillator has a high-gain, parallel-resonant amplifier, for
connection to a crystal or ceramic resonator, or any suitable external clock source
(XTAL1 = Input, XTAL2 = Output). The crystal must be AT cut, 1 MHz to 8 MHz
maximum, with a series resistance (RS) less than or equal to 100 Ω. The on-chip
oscillator can be driven with a suitable external clock source.
The crystal must be connected across XTAL1 and XTAL2 using the recommended
capacitors (capacitance greater than or equal to 22 pF) from each pin to ground.
C1
C2
XTAL1
XTAL1
XTAL2
XTAL2
Crystal
C1, C2 = 33pF TYP *
f = 8MHz
External Clock
XTAL1
* Preliminary value including pin parasitics
XTAL2
Ceramic Resonator
f = 8mHz
Figure 31. Oscillator Configuration
PS023803-0305
Functional Description
ZGP323H
Product Specification
54
Power-On Reset
A timer circuit clocked by a dedicated on-board RC-oscillator is used for the
Power-On Reset (POR) timer function. The POR time allows VDD and the oscillator circuit to stabilize before instruction execution begins.
The POR timer circuit is a one-shot timer triggered by one of three conditions:
•
•
•
Power Fail to Power OK status, including Waking up from VBO Standby
Stop-Mode Recovery (if D5 of SMR = 1)
WDT Timeout
The POR timer is 2.5 ms minimum. Bit 5 of the Stop-Mode Register determines
whether the POR timer is bypassed after Stop-Mode Recovery (typical for external
clock).
HALT Mode
This instruction turns off the internal CPU clock, but not the XTAL oscillation. The
counter/timers and external interrupts IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, and IRQ5
remain active. The devices are recovered by interrupts, either externally or internally generated. An interrupt request must be executed (enabled) to exit HALT
Mode. After the interrupt service routine, the program continues from the instruction after HALT Mode.
STOP Mode
This instruction turns off the internal clock and external crystal oscillation, reducing the standby current to 10 µA or less. STOP Mode is terminated only by a
reset, such as WDT timeout, POR, SMR or external reset. This condition causes
the processor to restart the application program at address 000CH. To enter STOP
(or HALT) mode, first flush the instruction pipeline to avoid suspending execution
in mid-instruction. Execute a NOP (Opcode = FFH) immediately before the appropriate sleep instruction, as follows:
PS023803-0305
Functional Description
ZGP323H
Product Specification
55
FF
6F
NOP
Stop
; clear the pipeline
; enter Stop Mode
FF
7F
NOP
HALT
; clear the pipeline
; enter HALT Mode
or
Port Configuration Register
The Port Configuration (PCON) register (Figure 32) configures the comparator
output on Port 3. It is located in the expanded register 2 at Bank F, location 00.
PCON(FH)00H
D7
D6
D5
D4
D3
D2
D1
D0
Comparator Output Port 3
0 P34, P37 Standard Output*
1 P34, P37 Comparator Output
Port 1
0: Open-Drain
1: Push-Pull*
Port 0
0: Open-Drain
1: Push-Pull*
Reserved (Must be 1)
* Default setting after reset
Figure 32. Port Configuration Register (PCON) (Write Only)
Comparator Output Port 3 (D0)
Bit 0 controls the comparator used in Port 3. A 1 in this location brings the comparator outputs to P34 and P37, and a 0 releases the Port to its standard I/O configuration.
Port 1 Output Mode (D1)
Bit 1 controls the output mode of port 1. A 1 in this location sets the output to
push-pull, and a 0 sets the output to open-drain.
PS023803-0305
Functional Description
ZGP323H
Product Specification
56
Port 0 Output Mode (D2)
Bit 2 controls the output mode of port 0. A 1 in this location sets the output to
push-pull, and a 0 sets the output to open-drain.
Stop-Mode Recovery Register (SMR)
This register selects the clock divide value and determines the mode of Stop
Mode Recovery (Figure 33). All bits are write only except bit 7, which is read only.
Bit 7 is a flag bit that is hardware set on the condition of Stop recovery and reset
by a power-on cycle. Bit 6 controls whether a low level or a high level at the XORgate input (Figure 35 on page 59) is required from the recovery source. Bit 5 controls the reset delay after recovery. Bits D2, D3, and D4 of the SMR register specify the source of the Stop Mode Recovery signal. Bits D0 determines if SCLK/
TCLK are divided by 16 or not. The SMR is located in Bank F of the Expanded
Register Group at address 0BH.
PS023803-0305
Functional Description
ZGP323H
Product Specification
57
SMR(0F)0BH
D7
D6
D5
D4
D3
D2
D1
D0
SCLK/TCLK Divide-by-16
0 OFF * *
1 ON
Reserved (Must be 0)
Stop-Mode Recovery Source
000 POR Only *
001 Reserved
010 P31
011 P32
100 P33
101 P27
110 P2 NOR 0-3
111 P2 NOR 0-7
Stop Delay
0 OFF
1 ON * * * *
Stop Recovery Level * * *
0 Low *
1 High
Stop Flag
0 POR *
1 Stop Recovery * *
* Default after Power On Reset or Watch-Dog Reset
* * Default setting after Reset and Stop Mode Recovery
* * * At the XOR gate input
* * * * Default setting after reset. Must be 1 if using a crystal or resonator clock source.
Figure 33. STOP Mode Recovery Register
SCLK/TCLK Divide-by-16 Select (D0)
D0 of the SMR controls a divide-by-16 prescaler of SCLK/TCLK (Figure 34). This
control selectively reduces device power consumption during normal processor
execution (SCLK control) and/or Halt Mode (where TCLK sources interrupt logic).
After Stop Mode Recovery, this bit is set to a 0.
PS023803-0305
Functional Description
ZGP323H
Product Specification
58
OSC
÷2
SCLK
÷ 16
SMR, D0
TCLK
Figure 34. SCLK Circuit
Stop-Mode Recovery Source (D2, D3, and D4)
These three bits of the SMR specify the wake-up source of the Stop recovery
(Figure 35 and Table 22).
Stop-Mode Recovery Register 2—SMR2(F)0DH
Table 21 lists and briefly describes the fields for this register.
Table 21. SMR2(F)0DH:Stop Mode Recovery Register 2*
Field
Bit Position
Value
Description
Reserved
7-------
0
Reserved (Must be 0)
Recovery Level
-6------
0†
1
Low
High
Reserved
--5-----
0
Reserved (Must be 0)
Source
---432--
000†
001
010
011
100
101
110
111
A. POR Only
B. NAND of P23–P20
C. NAND of P27–P20
D. NOR of P33–P31
E. NAND of P33–P31
F. NOR of P33–P31, P00, P07
G. NAND of P33–P31, P00, P07
H. NAND of P33–P31, P22–P20
Reserved
------10
00
Reserved (Must be 0)
W
W
Notes:
* Port pins configured as outputs are ignored as a SMR recovery source.
†
Indicates the value upon Power-On Reset
PS023803-0305
Functional Description
ZGP323H
Product Specification
59
SMR D4 D3 D2
0 0 0
SMR2 D4 D3 D2
0 0 0
VCC
VCC
SMR D4 D3 D2
0 1 0
P20
SMR2 D4 D3 D2
0 0 1
P31
P23
SMR D4 D3 D2
0 1 1
P20
SMR2 D4 D3 D2
0 1 0
P32
P27
SMR D4 D3 D2
1 0 0
P33
SMR D4 D3 D2
1 0 1
P27
P20
SMR D4 D3 D2
1 1 0
P23
P20
SMR D4 D3 D2
1 1 1
P27
SMR D6
To RESET and WDT
Circuitry (Active Low)
P31
P32
P33
P31
P32
P33
P31
P32
P33
P00
P07
P31
P32
P33
P00
P07
P31
P32
P33
P20
P21
SMR2 D4 D3 D2
0 1 1
SMR2 D4 D3 D2
1 0 0
SMR2 D4 D3 D2
1 0 1
SMR2 D4 D3 D2
1 1 0
SMR2 D4 D3 D2
1 1 1
SMR2 D6
Figure 35. Stop Mode Recovery Source
PS023803-0305
Functional Description
ZGP323H
Product Specification
60
Table 22. Stop Mode Recovery Source
SMR:432
Operation
D4
D3
D2
Description of Action
0
0
0
POR and/or external reset recovery
0
0
1
Reserved
0
1
0
P31 transition
0
1
1
P32 transition
1
0
0
P33 transition
1
0
1
P27 transition
1
1
0
Logical NOR of P20 through P23
1
1
1
Logical NOR of P20 through P27
Note: Any Port 2 bit defined as an output drives the corresponding
input to the default state. This condition allows the remaining
inputs to control the AND/OR function. Refer to SMR2 register
on page 61 for other recover sources.
Stop Mode Recovery Delay Select (D5)
This bit, if Low, disables the TPOR delay after Stop Mode Recovery. The default
configuration of this bit is 1. If the “fast” wake up is selected, the Stop Mode
Recovery source must be kept active for at least 5 TpC.
Note: This bit must be set to 1 if using a crystal or resonator clock
source. The TPOR delay allows the clock source to stabilize
before executing instructions.
Stop Mode Recovery Edge Select (D6)
A 1 in this bit position indicates that a High level on any one of the recovery
sources wakes the device from Stop Mode. A 0 indicates Low level recovery. The
default is 0 on POR.
Cold or Warm Start (D7)
This bit is read only. It is set to 1 when the device is recovered from Stop Mode.
The bit is set to 0 when the device reset is other than Stop Mode Recovery (SMR).
PS023803-0305
Functional Description
ZGP323H
Product Specification
61
Stop Mode Recovery Register 2 (SMR2)
This register determines the mode of Stop Mode Recovery for SMR2 (Figure 36).
SMR2(0F)DH
D7
D6
D5
D4
D3
D2
D1
D0
Reserved (Must be 0)
Reserved (Must be 0)
Stop-Mode Recovery Source 2
000 POR Only *
001 NAND P20, P21, P22, P23
010 NAND P20, P21, P22, P23, P24, P25, P26, P27
011 NOR P31, P32, P33
100 NAND P31, P32, P33
101 NOR P31, P32, P33, P00, P07
110 NAND P31, P32, P33, P00, P07
111 NAND P31, P32, P33, P20, P21, P22
Reserved (Must be 0)
Recovery Level * *
0 Low *
1 High
Reserved (Must be 0)
Note: If used in conjunction with SMR, either of the two specified events causes a Stop-Mode Recovery.
* Default setting after reset
* * At the XOR gate input
Figure 36. Stop Mode Recovery Register 2 ((0F)DH:D2–D4, D6 Write Only)
If SMR2 is used in conjunction with SMR, either of the specified events causes a
Stop Mode Recovery.
Note: Port pins configured as outputs are ignored as an SMR or
SMR2 recovery source. For example, if the NAND or P23–P20
is selected as the recovery source and P20 is configured as an
output, the remaining SMR pins (P23–P21) form the NAND
equation.
PS023803-0305
Functional Description
ZGP323H
Product Specification
62
Watch-Dog Timer Mode Register (WDTMR)
The Watch-Dog Timer (WDT) is a retriggerable one-shot timer that resets the Z8®
CPU if it reaches its terminal count. The WDT must initially be enabled by executing the WDT instruction. On subsequent executions of the WDT instruction, the
WDT is refreshed. The WDT circuit is driven by an on-board RC-oscillator. The
WDT instruction affects the Zero (Z), Sign (S), and Overflow (V) flags.
The POR clock source the internal RC-oscillator. Bits 0 and 1 of the WDT register
control a tap circuit that determines the minimum timeout period. Bit 2 determines
whether the WDT is active during HALT, and Bit 3 determines WDT activity during
Stop. Bits 4 through 7 are reserved (Figure 37). This register is accessible only
during the first 60 processor cycles (120 XTAL clocks) from the execution of the
first instruction after Power-On-Reset, Watch-Dog Reset, or a Stop-Mode
Recovery (Figure 36). After this point, the register cannot be modified by any
means (intentional or otherwise). The WDTMR cannot be read. The register is
located in Bank F of the Expanded Register Group at address location 0Fh. It is
organized as shown in Figure 37.
WDTMR(0F)0Fh
D7
D6
D5
D4
D3
D2
D1
D0
WDT TAP INT RC OSC
00
5 ms min.
01*
10 ms min.
10
20 ms min.
11
80 ms min.
WDT During HALT
0 OFF
1 ON *
WDT During Stop
0 OFF
1 ON *
Reserved (Must be 0)
* Default setting after reset
Figure 37. Watch-Dog Timer Mode Register (Write Only)
WDT Time Select (D0, D1)
This bit selects the WDT time period. It is configured as indicated in Table 23.
PS023803-0305
Functional Description
ZGP323H
Product Specification
63
Table 23. Watch-Dog Timer Time Select
D1
D0
Timeout of Internal RC-Oscillator
0
0
5ms min.
0
1
10ms min.
1
0
20ms min.
1
1
80ms min.
WDTMR During Halt (D2)
This bit determines whether or not the WDT is active during HALT Mode. A 1 indicates active during HALT. The default is 1. See Figure 38.
5 Clock
*CLR2
RESET
18 Clock
RESE
Interna
l
RESE
T
WDT
XTAL
Internal
RC
Oscillator.
POR
CL
*CLR
5 ms 10 ms 20 ms 80
WDT/POR Counter Chain
Low Operating
VDD
VBO
+
-
WDT
From Stop
Mode
Recovery
VDD
12-ns Glitch
Stop Delay
Select
* CLR1 and CLR2 enable the WDT/POR and 18 Clock Reset timers respectively upon a Low-toFigure 38. Resets and WDT
PS023803-0305
Functional Description
ZGP323H
Product Specification
64
WDTMR During STOP (D3)
This bit determines whether or not the WDT is active during STOP Mode.
Because the XTAL clock is stopped during STOP Mode, the on-board RC has to
be selected as the clock source to the WDT/POR counter. A 1 indicates active
during Stop. The default is 1.
EPROM Selectable Options
There are seven EPROM Selectable Options to choose from based on ROM code
requirements. These options are listed in Table 24.
Table 24. EPROM Selectable Options
Port 00–03 Pull-Ups
On/Off
Port 04–07 Pull-Ups
On/Off
Port 10–13 Pull-Ups
On/Off
Port 14–17 Pull-Ups
On/Off
Port 20–27 Pull-Ups
On/Off
EPROM Protection
On/Off
Watch-Dog Timer at Power-On Reset On/Off
Voltage Brown-Out/Standby
An on-chip Voltage Comparator checks that the VDD is at the required level for
correct operation of the device. Reset is globally driven when VDD falls below VBO.
A small drop in VDD causes the XTAL1 and XTAL2 circuitry to stop the crystal or
resonator clock. If the VDD is allowed to stay above VRAM, the RAM content is preserved. When the power level is returned to above VBO, the device performs a
POR and functions normally.
PS023803-0305
Functional Description
ZGP323H
Product Specification
65
Low-Voltage Detection Register—LVD(D)0Ch
Note: Voltage detection does not work at Stop mode. It must be
disabled during Stop mode in order to reduce current.
Field
Bit Position
Description
LVD
76543---
Reserved
No Effect
-----2--
R
1
0*
HVD flag set
HVD flag reset
------1-
R
1
0*
LVD flag set
LVD flag reset
-------0
R/W
1
0*
Enable VD
Disable VD
*Default after POR
Note: Do not modify register P01M while checking a low-voltage
condition. Switching noise of both ports 0 and 1 together might
trigger the LVD flag.
Voltage Detection and Flags
The Voltage Detection register (LVD, register 0CH at the expanded register bank
0Dh) offers an option of monitoring the VCC voltage. The Voltage Detection is
enabled when bit 0 of LVD register is set. Once Voltage Detection is enabled, the
the VCC level is monitored in real time. The flags in the LVD register valid 20uS
after Voltage Detection is enabled. The HVD flag (bit 2 of the LVD register) is set
only if VCC is higher than VHVD. The LVD flag (bit 1 of the LVD register) is set only
if VCC is lower than the VLVD. When Voltage Detection is enabled, the LVD flag
also triggers IRQ5. The IRQ bit 5 latches the low voltage condition until it is
cleared by instructions or reset. The IRQ5 interrupt is served if it is enabled in the
IMR register. Otherwise, bit 5 of IRQ register is latched as a flag only.
Notes: If it is necessary to receive an LVD interrupt upon power-up at
an operating voltage lower than the low battery detect
threshold, enable interrupts using the Enable Interrupt
instruction (EI) prior to enabling the voltage detection.
PS023803-0305
Functional Description
ZGP323H
Product Specification
66
Expanded Register File Control Registers (0D)
The expanded register file control registers (0D) are depicted in Figure 39 through
Figure 43.
CTR0(0D)00H
D7
D6
D5
D4
D3
D2
D1
D0
0 P34 as Port Output *
1 Timer8 Output
0 Disable T8 Timeout Interrupt * *
1 Enable T8 Timeout Interrupt
0 Disable T8 Data Capture Interrupt * *
1 Enable T8 Data Capture Interrupt
00
01
10
11
R
R
W
W
SCLK on T8* *
SCLK/2 on T8
SCLK/4 on T8
SCLK/8 on T8
0 No T8 Counter Timeout * *
1 T8 Counter Timeout Occurred
0 No Effect
1 Reset Flag to 0
0 Modulo-N *
1 Single Pass
R
R
W
W
0 T8 Disabled *
1 T8 Enabled
0 Stop T8
1 Enable T8
* Default setting after reset.
* * Default setting after Reset.. Not reset with a Stop-Mode recovery.
Figure 39. TC8 Control Register ((0D)O0H: Read/Write Except Where Noted)
PS023803-0305
Expanded Register File Control Registers (0D)
ZGP323H
Product Specification
67
CTR1(0D)01H
D7
D6
D5
D4
D3
D2
D1
D0
Transmit Mode*
R/W 0 T16_OUT is 0 initially
1 T16_OUT is 1 initially
Demodulation Mode
R 0 No Falling Edge Detection
R 1 Falling Edge Detection
W 0 No Effect
W 1 Reset Flag to 0
Transmit Mode*
R/W 0 T8_OUT is 0 initially*
1 T8_OUT is 1 initially
Demodulation Mode
R 0 No Rising Edge Detection
R 1 Rising Edge Detection
W 0 No Effect
W 1 Reset Flag to 0
Transmit Mode*
0 0 Normal Operation*
0 1 Ping-Pong Mode
1 0 T16_OUT = 0
1 1 T16_OUT = 1
Demodulation Mode
0 0 No Filter
0 1 4 SCLK Cycle Filter
1 0 8 SCLK Cycle Filter
1 1 Reserved
Transmit Mode/T8/T16 Logic
0 0 AND**
0 1 OR
1 0 NOR
1 1 NAND
Demodulation Mode
0 0 Falling Edge Detection
0 1 Rising Edge Detection
1 0 Both Edge Detection
1 1 Reserved
Transmit Mode*
0 P36 as Port Output *
1 P36 as T8/T16_OUT
Demodulation Mode
0 P31 as Demodulator Input
1 P20 as Demodulator Input
* Default setting after Reset
**Default setting after Reset.. Not reset with a Stop-Mode
recovery.
Transmit/Demodulation Mode
0 Transmit Mode *
1 Demodulation Mode
Figure 40. T8 and T16 Common Control Functions ((0D)01H: Read/Write)
PS023803-0305
Expanded Register File Control Registers (0D)
ZGP323H
Product Specification
68
Notes: Take care in differentiating the Transmit Mode from
Demodulation Mode. Depending on which of these two modes
is operating, the CTR1 bit has different functions.
Changing from one mode to another cannot be performed
without disabling the counter/timers.
PS023803-0305
Expanded Register File Control Registers (0D)
ZGP323H
Product Specification
69
CTR2(0D)02H
D7
D6
D5
D4
D3
D2
D1
D0
0 P35 is Port Output *
1 P35 is TC16 Output
0 Disable T16 Timeout Interrupt
1 Enable T16 Timeout Interrupt
0 Disable T16 Data Capture Interrupt
1 Enable T16 Data Capture Interrupt
0
0
1
1
0
1
0
1
SCLK on T16
SCLK/2 on T16
SCLK/4 on T16
SCLK/8 on T16
R
R
W
W
0
1
0
1
No T16 Timeout
T16 Timeout Occurs
No Effect
Reset Flag to 0
Transmit Mode
0 Modulo-N for T16
1 Single Pass for T16
Demodulator Mode
0 T16 Recognizes Edge
1 T16 Does Not Recognize Edge
* Default setting after Reset
**Default setting after Reset. Not reset with a StopMode recovery.
R
R
W
W
0
1
0
1
T16 Disabled *
T16 Enabled
Stop T16
Enable T16
Figure 41. T16 Control Register ((0D) 2H: Read/Write Except Where Noted)
PS023803-0305
Expanded Register File Control Registers (0D)
ZGP323H
Product Specification
70
CTR3(0D)03H
D7
D6
D5
D4
D3
D2
D1
D0
Reserved
No effect when written
Always reads 11111
Sync Mode
0* Disable Sync Mode**
1 Enable Sync Mode
T8 Enable
R 0* T8 Disabled
R 1 T8 Enabled
W0 Stop T8
W1 Enable T8
T16 Enable
R 0* T16 Disabled
R 1 T16 Enabled
W 0 Stop T16
W 1 Enable T16
* Default setting after reset.
** Default setting after reset. Not reset with a Stop
Mode recovery.
Figure 42. T8/T16 Control Register (0D)03H: Read/Write (Except Where Noted)
PS023803-0305
Expanded Register File Control Registers (0D)
ZGP323H
Product Specification
71
LVD(0D)0CH
D7
D6
D5
D4
D3
D2
D1
D0
Voltage Detection
0: Disable *
1: Enable
LVD Flag (Read only)
0: LVD flag reset *
1: LVD flag set
HVD Flag (Read only)
0: HVD flag reset *
1: HVD flag set
Reserved (Must be 0)
* Default setting after reset.
Figure 43. Voltage Detection Register
Note: Do not modify register P01M while checking a low-voltage
condition. Switching noise of both ports 0 and 1 together might
trigger the LVD flag.
Expanded Register File Control Registers (0F)
The expanded register file control registers (0F) are depicted in Figures 44
through Figure 57.
PS023803-0305
Expanded Register File Control Registers (0F)
ZGP323H
Product Specification
72
PCON(0F)00H
D7
D6
D5
D4
D3
D2
D1
D0
Comparator Output Port 3
0 P34, P37 Standard Output *
1 P34, P37 Comparator Output
Port 1
0: Open-Drain
1: Push-Pull*
Port 0
0: Open-Drain
1: Push-Pull *
Reserved (Must be 1)
* Default setting after reset
Figure 44. Port Configuration Register (PCON)(0F)00H: Write Only)
PS023803-0305
Expanded Register File Control Registers (0F)
ZGP323H
Product Specification
73
SMR(0F)0BH
D7
D6
D5
D4
D3
D2
D1
D0
SCLK/TCLK Divide-by-16
0 OFF *
1 ON
Reserved (Must be 0)
Stop-Mode Recovery Source
000 POR Only *
001 Reserved
010 P31
011 P32
100 P33
101 P27
110 P2 NOR 0–3
111 P2 NOR 0–7
Stop Delay
0 OFF
1 ON * * * *
Stop Recovery Level * * *
0 Low *
1 High
Stop Flag
0 POR * * * * *
1 Stop Recovery * *
* Default setting after reset
* * Set after Stop Mode Recovery
* * * At the XOR gate input
* * * * Default setting after reset. Must be 1 if using a crystal or resonator clock source.
* * * * * Default setting after Power On Reset. Not reset with a Stop Mode recovery.
Figure 45. Stop Mode Recovery Register ((0F)0BH: D6–D0=Write Only, D7=Read
Only)
PS023803-0305
Expanded Register File Control Registers (0F)
ZGP323H
Product Specification
74
SMR2(0F)0DH
D7
D6
D5
D4
D3
D2
D1
D0
Reserved (Must be 0)
Reserved (Must be 0)
Stop-Mode Recovery Source 2
000 POR Only *
001 NAND P20, P21, P22, P23
010 NAND P20, P21, P22, P23, P24, P25, P26, P27
011 NOR P31, P32, P33
100 NAND P31, P32, P33
101 NOR P31, P32, P33, P00, P07
110 NAND P31, P32, P33, P00, P07
111 NAND P31, P32, P33, P20, P21, P22
Reserved (Must be 0)
Recovery Level * *
0 Low
1 High
Reserved (Must be 0)
Note: If used in conjunction with SMR, either of the two specified events causes a Stop-Mode Recovery.
* Default setting after reset. Not reset with a Stop Mode recovery.
* * At the XOR gate input
Figure 46. Stop Mode Recovery Register 2 ((0F)0DH:D2–D4, D6 Write Only)
PS023803-0305
Expanded Register File Control Registers (0F)
ZGP323H
Product Specification
75
WDTMR(0F)0FH
D7
D6
D5
D4
D3
D2
D1
D0
WDT TAP INT RC OSC
00
5 ms min.
01*
10 ms min.
10
20 ms min.
11
80 ms min.
WDT During HALT
0 OFF
1 ON *
WDT During Stop
0 OFF
1 ON *
Reserved (Must be 0)
* Default setting after reset. Not reset with a Stop Mode recovery.
Figure 47. Watch-Dog Timer Register ((0F) 0FH: Write Only)
Standard Control Registers
R246 P2M(F6H)
D7
D6
D5
D4
D3
D2
D1
D0
P27–P20 I/O Definition
0 Defines bit as OUTPUT
1 Defines bit as INPUT *
* Default setting after reset. Not reset with a Stop Mode recovery.
Figure 48. Port 2 Mode Register (F6H: Write Only)
PS023803-0305
Standard Control Registers
ZGP323H
Product Specification
76
R247 P3M(F7H)
D7
D6
D5
D4
D3
D2
D1
D0
0: Port 2 Open Drain *
1: Port 2 Push-Pull
0= P31, P32 Digital Mode*
1= P31, P32 Analog Mode
Reserved (Must be 0)
* Default setting after reset. Not reset with a Stop Mode recovery.
Figure 49. Port 3 Mode Register (F7H: Write Only)
PS023803-0305
Standard Control Registers
ZGP323H
Product Specification
77
R248 P01M(F8H)
D7
D6
D5
D4
D3
D2
D1
D0
P00–P03 Mode
0: Output
1: Input *
Reserved (Must be 0)
Reserved (Must be 1)
P17–P10 Mode
0: Byte Output
1: Byte Input*
Reserved (Must be 0)
P07–P04 Mode
0: Output
1: Input *
Reserved (Must be 0)
* Default setting after reset; only P00, P01 and P07 are available on 20-pin
configurations.
Figure 50. Port 0 and 1 Mode Register (F8H: Write Only)
PS023803-0305
Standard Control Registers
ZGP323H
Product Specification
78
R249 IPR(F9H)
D7
D6
D5
D4
D3
D2
D1
D0
Interrupt Group Priority
000 Reserved
001 C > A > B
010 A > B >C
011 A > C > B
100 B > C > A
101 C > B > A
110 B > A > C
111 Reserved
IRQ1, IRQ4, Priority
(Group C)
0: IRQ1 > IRQ4
1: IRQ4 > IRQ1
IRQ0, IRQ2, Priority
(Group B)
0: IRQ2 > IRQ0
1: IRQ0 > IRQ2
IRQ3, IRQ5, Priority
(Group A)
0: IRQ5 > IRQ3
1: IRQ3 > IRQ5
Reserved; must be 0
Figure 51. Interrupt Priority Register (F9H: Write Only)
PS023803-0305
Standard Control Registers
ZGP323H
Product Specification
79
R250 IRQ(FAH)
D7
D6
D5
D4
D3
D2
D1
D0
IRQ0 = P32 Input
IRQ1 = P33 Input
IRQ2 = P31 Input
IRQ3 = T16
IRQ4 = T8
IRQ5 = LVD
Inter Edge
P31↓
P32↓ = 00
P31↓
P32↑ = 01
P31↑
P32↓ = 10
P31↑↓ P32↑↓ = 11
Figure 52. Interrupt Request Register (FAH: Read/Write)
R251 IMR(FBH)
D7
D6
D5
D4
D3
D2
D1
D0
1 Enables IRQ5–IRQ0
(D0 = IRQ0)
Reserved (Must be 0)
0 Master Interrupt Disable *
1 Master Interrupt Enable * *
* Default setting after reset
* * Only by using EI, DI instruction; DI is required before changing the IMR register
Figure 53. Interrupt Mask Register (FBH: Read/Write)
PS023803-0305
Standard Control Registers
ZGP323H
Product Specification
80
R252 Flags(FCH)
D7
D6
D5
D4
D3
D2
D1
D0
User Flag F1
User Flag F2
Half Carry Flag
Decimal Adjust Flag
Overflow Flag
Sign Tag
Zero Flag
Carry Flag
Figure 54. Flag Register (FCH: Read/Write)
R253 RP(FDH)
D7
D6
D5
D4
D3
D2
D1
D0
Expanded Register Bank Pointer
Working Register Pointer
Default setting after reset = 0000 0000
Figure 55. Register Pointer (FDH: Read/Write)
PS023803-0305
Standard Control Registers
ZGP323H
Product Specification
81
R254 SPH(FEH)
D7
D6
D5
D4
D3
D2
D1
D0
General-Purpose Register
Figure 56. Stack Pointer High (FEH: Read/Write)
R255 SPL(FFH)
D7
D6
D5
D4
D3
D2
D1
D0
Stack Pointer Low
Byte (SP7–SP0)
Figure 57. Stack Pointer Low (FFH: Read/Write)
Package Information
Package information for all versions of ZGP323H is depicted in Figures 59
through Figure 68.
PS023803-0305
Package Information
ZGP323H
Product Specification
82
Figure 58. 20-Pin CDIP Package
Figure 59. 20-Pin PDIP Package Diagram
PS023803-0305
Package Information
ZGP323H
Product Specification
83
Figure 60. 20-Pin SOIC Package Diagram
PS023803-0305
Package Information
ZGP323H
Product Specification
84
Figure 61. 20-Pin SSOP Package Diagram
PS023803-0305
Package Information
ZGP323H
Product Specification
85
Figure 62. 28-Pin SOIC Package Diagram
PS023803-0305
Package Information
ZGP323H
Product Specification
86
Figure 63. 28-Pin CDIP Package Diagram
Figure 64. 28-Pin PDIP Package Diagram
PS023803-0305
Package Information
ZGP323H
Product Specification
87
D
28
C
15
MILLIMETER
SYMBOL
H
E
1
14
DETAIL A
NOM
MAX
MIN
NOM
MAX
A
1.73
1.86
1.99
0.068
0.073
0.078
A1
0.05
0.13
0.21
0.002
0.005
0.008
A2
1.68
1.73
1.78
0.066
0.068
0.070
B
0.25
0.38
0.010
C
0.09
0.20
0.004
0.006
0.008
D
10.07
10.20
10.33
0.397
0.402
0.407
E
5.20
5.30
5.38
0.205
0.209
0.212
0.65 TYP
e
0.015
0.0256 TYP
H
7.65
7.80
7.90
0.301
0.307
0.311
L
0.63
0.75
0.95
0.025
0.030
0.037
A1
Q1
INCH
MIN
A2
e
A
B
SEATING PLANE
CONTROLLING DIMENSIONS: MM
LEADS ARE COPLANAR WITHIN .004 INCHES.
L
0-8
DETAIL 'A'
Figure 65. 28-Pin SSOP Package Diagram
Figure 66. 40-Pin PDIP Package Diagram
PS023803-0305
Package Information
ZGP323H
Product Specification
88
Figure 67. 40-Pin CDIP Package Diagram
PS023803-0305
Package Information
ZGP323H
Product Specification
89
c
D
48
25
E
1
H
24
Detail A
A2
A
A1
CONTROLLING DIMENSIONS : MM
LEADS ARE COPLANAR WITHIN .004 INCH
SEATING PLANE
e
b
L
0-8˚
Figure 68. 48-Pin SSOP Package Design
Note: Check with ZiLOG on the actual bonding diagram and
coordinate for chip-on-board assembly.
PS023803-0305
Package Information
ZGP323H
Product Specification
90
Ordering Information
32KB Standard Temperature: 0° to +70°C
Part Number
Description
Part Number
Description
ZGP323HSH4832C 48-pin SSOP 32K OTP
ZGP323HSS2832C 28-pin SOIC 32K OTP
ZGP323HSP4032C 40-pin PDIP 32K OTP
ZGP323HSH2032C 20-pin SSOP 32K OTP
ZGP323HSK2832E 28-pin CDIP 32K OTP
ZGP323HSK2032E 20-pin CDIP 32K OTP
ZGP323HSK4032E 40-pin CDIP 32K OTP
ZGP323HSP2032C 20-pin PDIP 32K OTP
ZGP323HSH2832C 28-pin SSOP 32K OTP
ZGP323HSS2032C 20-pin SOIC 32K OTP
ZGP323HSP2832C 28-pin PDIP 32K OTP
32KB Extended Temperature: -40° to +105°C
Part Number
Description
Part Number
Description
ZGP323HEH4832C 48-pin SSOP 32K OTP
ZGP323HES2832C 28-pin SOIC 32K OTP
ZGP323HEP4032C 40-pin PDIP 32K OTP
ZGP323HEH2032C 20-pin SSOP 32K OTP
ZGP323HEH2832C 28-pin SSOP 32K OTP
ZGP323HEP2032C 20-pin PDIP 32K OTP
ZGP323HEP2832C 28-pin PDIP 32K OTP
ZGP323HES2032C 20-pin SOIC 32K OTP
32KB Automotive Temperature: -40° to +125°C
Part Number
Description
Part Number
Description
ZGP323HAH4832C 48-pin SSOP 32K OTP
ZGP323HAS2832C 28-pin SOIC 32K OTP
ZGP323HAP4032C 40-pin PDIP 32K OTP
ZGP323HAH2032C 20-pin SSOP 32K OTP
ZGP323HAH2832C 28-pin SSOP 32K OTP
ZGP323HAP2032C 20-pin PDIP 32K OTP
ZGP323HAP2832C 28-pin PDIP 32K OTP
ZGP323HAS2032C 20-pin SOIC 32K OTP
Replace C with G for Lead-Free Packaging
PS023803-0305
Ordering Information
ZGP323H
Product Specification
91
16KB Standard Temperature: 0° to +70°C
Part Number
Description
Part Number
Description
ZGP323HSH4816C 48-pin SSOP 16K OTP ZGP323HSS2816C 28-pin SOIC 16K OTP
ZGP323HSP4016C 40-pin PDIP 16K OTP
ZGP323HSH2016C 20-pin SSOP 16K OTP
ZGP323HSH2816C 28-pin SSOP 16K OTP ZGP323HSP2016C 20-pin PDIP 16K OTP
ZGP323HSP2816C 28-pin PDIP 16K OTP
ZGP323HSS2016C 20-pin SOIC 16K OTP
16KB Extended Temperature: -40° to +105°C
Part Number
Description
Part Number
Description
ZGP323HEH4816C 48-pin SSOP 16K OTP ZGP323HES2816C 28-pin SOIC 16K OTP
ZGP323HEP4016C 40-pin PDIP 16K OTP
ZGP323HEH2016C 20-pin SSOP 16K OTP
ZGP323HEH2816C 28-pin SSOP 16K OTP ZGP323HEP2016C 20-pin PDIP 16K OTP
ZGP323HEP2816C 28-pin PDIP 16K OTP
ZGP323HES2016C 20-pin SOIC 16K OTP
16KB Automotive Temperature: -40° to +125°C
Part Number
Description
Part Number
Description
ZGP323HAH4816C 48-pin SSOP 16K OTP ZGP323HAS2816C 28-pin SOIC 16K OTP
ZGP323HAP4016C 40-pin PDIP 16K OTP
ZGP323HAH2016C 20-pin SSOP 16K OTP
ZGP323HAH2816C 28-pin SSOP 16K OTP ZGP323HAP2016C 20-pin PDIP 16K OTP
ZGP323HAP2816C 28-pin PDIP 16K OTP
ZGP323HAS2016C 20-pin SOIC 16K OTP
Replace C with G for Lead-Free Packaging
PS023803-0305
Ordering Information
ZGP323H
Product Specification
92
8KB Standard Temperature: 0° to +70°C
Part Number
Description
Part Number
Description
ZGP323HSH4808C 48-pin SSOP 8K OTP
ZGP323HSS2808C 28-pin SOIC 8K OTP
ZGP323HSP4008C 40-pin PDIP 8K OTP
ZGP323HSH2008C 20-pin SSOP 8K OTP
ZGP323HSH2808C 28-pin SSOP 8K OTP
ZGP323HSP2008C 20-pin PDIP 8K OTP
ZGP323HSP2808C 28-pin PDIP 8K OTP
ZGP323HSS2008C 20-pin SOIC 8K OTP
8KB Extended Temperature: -40° to +105°C
Part Number
Description
Part Number
Description
ZGP323HEH4808C 48-pin SSOP 8K OTP
ZGP323HES2808C 28-pin SOIC 8K OTP
ZGP323HEP4008C 40-pin PDIP 8K OTP
ZGP323HEH2008C 20-pin SSOP 8K OTP
ZGP323HEH2808C 28-pin SSOP 8K OTP
ZGP323HEP2008C 20-pin PDIP 8K OTP
ZGP323HEP2808C 28-pin PDIP 8K OTP
ZGP323HES2008C 20-pin SOIC 8K OTP
8KB Automotive Temperature: -40° to +125°C
Part Number
Description
Part Number
Description
ZGP323HAH4808C 48-pin SSOP 8K OTP
ZGP323HAS2808C 28-pin SOIC 8K OTP
ZGP323HAP4008C 40-pin PDIP 8K OTP
ZGP323HAH2008C 20-pin SSOP 8K OTP
ZGP323HAH2808C 28-pin SSOP 8K OTP
ZGP323HAP2008C 20-pin PDIP 8K OTP
ZGP323HAP2808C 28-pin PDIP 8K OTP
ZGP323HAS2008C 20-pin SOIC 8K OTP
Replace C with G for Lead-Free Packaging
PS023803-0305
Ordering Information
ZGP323H
Product Specification
93
4KB Standard Temperature: 0° to +70°C
Part Number
Description
Part Number
Description
ZGP323HSH4804C 48-pin SSOP 4K OTP
ZGP323HSS2804C 28-pin SOIC 4K OTP
ZGP323HSP4004C 40-pin PDIP 4K OTP
ZGP323HSH2004C 20-pin SSOP 4K OTP
ZGP323HSH2804C 28-pin SSOP 4K OTP
ZGP323HSP2004C 20-pin PDIP 4K OTP
ZGP323HSP2804C 28-pin PDIP 4K OTP
ZGP323HSS2004C 20-pin SOIC 4K OTP
4KB Extended Temperature: -40° to +105°C
Part Number
Description
Part Number
Description
ZGP323HEH4804C 48-pin SSOP 4K OTP
ZGP323HES2804C 28-pin SOIC 4K OTP
ZGP323HEP4004C 40-pin PDIP 4K OTP
ZGP323HEH2004C 20-pin SSOP 4K OTP
ZGP323HEH2804C 28-pin SSOP 4K OTP
ZGP323HEP2004C 20-pin PDIP 4K OTP
ZGP323HEP2804C 28-pin PDIP 4K OTP
ZGP323HES2004C 20-pin SOIC 4K OTP
4KB Automotive Temperature: -40° to +125°C
Part Number
Description
Part Number
Description
ZGP323HAH4804C 48-pin SSOP 4K OTP
ZGP323HAS2804C 28-pin SOIC 4K OTP
ZGP323HAP4004C 40-pin PDIP 4K OTP
ZGP323HAH2004C 20-pin SSOP 4K OTP
ZGP323HAH2804C 28-pin SSOP 4K OTP
ZGP323HAP2004C 20-pin PDIP 4K OTP
ZGP323HAP2804C 28-pin PDIP 4K OTP
ZGP323HAS2004C 20-pin SOIC 4K OTP
Replace C with G for Lead-Free Packaging
Additional Components
Part Number
Description
Part Number
Description
ZGP323ICE01ZEM Emulator/programmer ZGP32300100ZPR Programming system
(For 3.6V Emulation
(Ethernet)
only)
ZGP32300200ZPR
(USB)
PS023803-0305
Programming system
Ordering Information
ZGP323H
Product Specification
94
For fast results, contact your local ZiLOG sales office for assistance in ordering
the part desired.
Codes
ZG = ZiLOG General Purpose Family
P = OTP
323 = Family Designation
H = High Voltage
T = Temparature
S = Standard 0° to +70°C
E = Extended -40° to +105°C
A = Automotive -40° to +125°C
P = Package Type:
K = CDIP
P = PDIP
H = SSOP
S = SOIC
## = Number of Pins
CC = Memory Size
M = Molding Compound
C=
G=
E=
PS023803-0305
Standard Plastic Packaging Molding Compound
Green Plastic Molding Compound
Standard Cer Dip flow
Ordering Information
ZGP323H
Product Specification
95
Example
ZG
P
323
H
T
P
48
32
C
Molding Compound
Memory Size
Number of Pins
Package Type:
E = CDIP
P = PDIP
H = SSOP
S = SOIC
Temperature:
S = Standard
E = Extended
A = Automotive
Voltage:
H = High
Family Designation
OTP
ZiLOG General-Purpose Family
PS023803-0305
Ordering Information
ZGP323H
Z8® OTP Microcontroller with IR Timers
96
Numerics
16-bit counter/timer circuits 46
20-pin DIP package diagram 82
20-pin SSOP package diagram 84
28-pin DIP package diagram 86
28-pin SOICpackage diagram 85
28-pin SSOP package diagram 87
40-pin DIP package diagram 87
48-pin SSOP package diagram 89
8-bit counter/timer circuits 42
A
absolute maximum ratings 10
AC
characteristics 16
timing diagram 16
address spaces, basic 2
architecture 2
expanded register file 28
B
basic address spaces 2
block diagram, ZLP32300 functional 3
C
capacitance 11
characteristics
AC 16
DC 11
clock 53
comparator inputs/outputs 25
configuration
port 0 19
port 1 20
port 2 21
port 3 22
port 3 counter/timer 24
counter/timer
16-bit circuits 46
8-bit circuits 42
brown-out voltage/standby 64
clock 53
demodulation mode count capture flowchart 44
PS023803-0305
demodulation mode flowchart 45
EPROM selectable options 64
glitch filter circuitry 40
halt instruction 54
input circuit 40
interrupt block diagram 51
interrupt types, sources and vectors 52
oscillator configuration 53
output circuit 49
ping-pong mode 48
port configuration register 55
resets and WDT 63
SCLK circuit 58
stop instruction 54
stop mode recovery register 57
stop mode recovery register 2 61
stop mode recovery source 59
T16 demodulation mode 47
T16 transmit mode 46
T16_OUT in modulo-N mode 47
T16_OUT in single-pass mode 47
T8 demodulation mode 43
T8 transmit mode 40
T8_OUT in modulo-N mode 43
T8_OUT in single-pass mode 43
transmit mode flowchart 41
voltage detection and flags 65
watch-dog timer mode register 62
watch-dog timer time select 63
CTR(D)01h T8 and T16 Common Functions
35
D
DC characteristics 11
demodulation mode
count capture flowchart 44
flowchart 45
T16 47
T8 43
description
functional 25
general 2
P r e l i m i n a r y
Index
ZGP323H
Z8® OTP Microcontroller with IR Timers
97
pin 4
E
EPROM
selectable options 64
expanded register file 26
expanded register file architecture 28
expanded register file control registers 71
flag 80
interrupt mask register 79
interrupt priority register 78
interrupt request register 79
port 0 and 1 mode register 77
port 2 configuration register 75
port 3 mode register 76
port configuration register 75
register pointer 80
stack pointer high register 81
stack pointer low register 81
stop-mode recovery register 73
stop-mode recovery register 2 74
T16 control register 69
T8 and T16 common control functions register 67
T8/T16 control register 70
TC8 control register 66
watch-dog timer register 75
F
features
standby modes 1
functional description
counter/timer functional blocks 40
CTR(D)01h register 35
CTR0(D)00h register 33
CTR2(D)02h register 37
CTR3(D)03h register 39
expanded register file 26
expanded register file architecture 28
HI16(D)09h register 32
HI8(D)0Bh register 32
L08(D)0Ah register 32
L0I6(D)08h register 32
PS023803-0305
program memory map 26
RAM 25
register description 65
register file 30
register pointer 29
register pointer detail 31
SMR2(F)0D1h register 40
stack 31
TC16H(D)07h register 32
TC16L(D)06h register 33
TC8H(D)05h register 33
TC8L(D)04h register 33
G
glitch filter circuitry 40
H
halt instruction, counter/timer 54
I
input circuit 40
interrupt block diagram, counter/timer 51
interrupt types, sources and vectors 52
L
low-voltage detection register 65
M
memory, program 25
modulo-N mode
T16_OUT 47
T8_OUT 43
O
oscillator configuration 53
output circuit, counter/timer 49
P
package information
20-pin DIP package diagram 82
20-pin SSOP package diagram 84
28-pin DIP package diagram 86
28-pin SOIC package diagram 85
28-pin SSOP package diagram 87
40-pin DIP package diagram 87
48-pin SSOP package diagram 89
pin configuration
20-pin DIP/SOIC/SSOP 5
P r e l i m i n a r y
Index
ZGP323H
Z8® OTP Microcontroller with IR Timers
98
28-pin DIP/SOIC/SSOP 6
40- and 48-pin 8
40-pin DIP 7
48-pin SSOP 8
pin functions
port 0 (P07 - P00) 18
port 0 (P17 - P10) 19
port 0 configuration 19
port 1 configuration 20
port 2 (P27 - P20) 20
port 2 (P37 - P30) 21
port 2 configuration 21
port 3 configuration 22
port 3 counter/timer configuration 24
reset) 25
XTAL1 (time-based input 18
XTAL2 (time-based output) 18
ping-pong mode 48
port 0 configuration 19
port 0 pin function 18
port 1 configuration 20
port 1 pin function 19
port 2 configuration 21
port 2 pin function 20
port 3 configuration 22
port 3 pin function 21
port 3counter/timer configuration 24
port configuration register 55
power connections 3
power supply 5
program memory 25
map 26
R
ratings, absolute maximum 10
register 61
CTR(D)01h 35
CTR0(D)00h 33
CTR2(D)02h 37
CTR3(D)03h 39
flag 80
HI16(D)09h 32
PS023803-0305
HI8(D)0Bh 32
interrupt priority 78
interrupt request 79
interruptmask 79
L016(D)08h 32
L08(D)0Ah 32
LVD(D)0Ch 65
pointer 80
port 0 and 1 77
port 2 configuration 75
port 3 mode 76
port configuration 55, 75
SMR2(F)0Dh 40
stack pointer high 81
stack pointer low 81
stop mode recovery 57
stop mode recovery 2 61
stop-mode recovery 73
stop-mode recovery 2 74
T16 control 69
T8 and T16 common control functions 67
T8/T16 control 70
TC16H(D)07h 32
TC16L(D)06h 33
TC8 control 66
TC8H(D)05h 33
TC8L(D)04h 33
voltage detection 71
watch-dog timer 75
register description
Counter/Timer2 LS-Byte Hold 33
Counter/Timer2 MS-Byte Hold 32
Counter/Timer8 Control 33
Counter/Timer8 High Hold 33
Counter/Timer8 Low Hold 33
CTR2 Counter/Timer 16 Control 37
CTR3 T8/T16 Control 39
Stop Mode Recovery2 40
T16_Capture_LO 32
T8 and T16 Common functions 35
T8_Capture_HI 32
P r e l i m i n a r y
Index
ZGP323H
Z8® OTP Microcontroller with IR Timers
99
T8_Capture_LO 32
register file 30
expanded 26
register pointer 29
detail 31
reset pin function 25
resets and WDT 63
S
SCLK circuit 58
single-pass mode
T16_OUT 47
T8_OUT 43
stack 31
standard test conditions 10
standby modes 1
stop instruction, counter/timer 54
stop mode recovery
2 register 61
source 59
stop mode recovery 2 61
stop mode recovery register 57
T
T16 transmit mode 46
T16_Capture_HI 32
T8 transmit mode 40
T8_Capture_HI 32
test conditions, standard 10
test load diagram 10
timing diagram, AC 16
transmit mode flowchart 41
V
VCC 5
voltage
brown-out/standby 64
detection and flags 65
voltage detection register 71
W
watch-dog timer
mode registerwatch-dog timer mode register 62
time select 63
PS023803-0305
X
XTAL1 5
XTAL1 pin function 18
XTAL2 5
XTAL2 pin function 18
P r e l i m i n a r y
Index
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湘ICP备2023018690号
