TMS370Cx4x
8-BIT MICROCONTROLLER
SPNS016C – NOVEMBER 1992 – REVISED FEBRUARY 1997
FN AND FZ PACKAGES
(TOP VIEW)
CMOS/EEPROM/EPROM Technologies on a
Single Device
– Mask-ROM Devices for High Volume
Production
– One-Time-Programmable (OTP) Devices
for Low-Volume Production
– Reprogrammable EPROM Devices for
Prototyping Purposes
6
5
4
3
2
1 44 43 42 41 40
39
MC
INT1
INT2
INT3
7
8
9
XTAL2/CLKIN
XTAL1
T1IC/CR
T1PWM
T1EVT
AN7
AN6
AN5
AN4
38
37
36
35
34
33
32
31
30
29
V
10
11
12
13
14
15
16
17
CC
Flexible Operating Features
V
CC3
A7
– Low-Power Modes: STANDBY and HALT
– Commercial, Industrial, and Automotive
Temperature Ranges
A6
V
SS
A5
A4
A3
– Clock Options:
V
SS3
18 19 20 21 22 23 24 25 26 27 28
– Divide-by-1 (2 MHz–5 MHz SYSCLK)
Phase-Locked Loop (PLL)
– Divide-by-4 (0.5 MHz–5 MHz SYSCLK)
JC, JD, N, AND NJ PACKAGES
(TOP VIEW)
– Voltage (V ) 5 V ± 10%
CC
Internal System Memory Configurations
– On-Chip Program Memory Versions
– ROM: 4K Bytes or 8K Bytes
– EPROM: 8K Bytes
– Data EEPROM: 256 Bytes
– Static RAM: 256 Bytes Usable as
Registers
B2
T2AEVT
T2AIC2/PWM
T2AIC1/CR
RESET
INT1
1
2
3
4
5
6
7
8
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
B1
B0
SCITXD
SCIRXD
SCICLK
D5
INT2
INT3
MC
XTAL2/CLKIN
XTAL1
T1IC/CR
T1PWM
T1EVT
AN7
V
9
CC
A7
A6
Two 16-Bit General-Purpose Timers
– Software Configurable as
Two 16-Bit Event Counters, or
Two 16-Bit Pulse Accumulators, or
Three 16-Bit Input Capture Functions, or
Four Compare Registers, or
Two Self-Contained
10
11
12
13
14
15
16
17
18
19
20
V
SS
A5
A4
A3
A2
A1
A0
D7
D4
AN6
V
V
CC3
SS3
AN3
AN2
D6
D3
Pulse-Width-Modulation (PWM)
Functions
Serial Communications Interface 1 (SCI1)
†
– Asynchronous and Isosynchronous
Eight-Bit ADC1
– Four Channels in 40-Pin Packages
– Eight Channels in 44-Pin Packages
Modes
– Full Duplex, Double Buffered RX and TX
– Two Multiprocessor Communications
Formats
Flexible Interrupt Handling
TMS370 Series Compatibility
CMOS/Package/TTL Compatible I/O Pins
– All Peripheral Function Pins Software
Configurable for Digital I/O
– 40-Pin Plastic and Ceramic Dual-In-Line
Packages/27 Bidirectional, 5 Input Pins
– 44-Pin Plastic and Ceramic Leaded Chip
Carrier Packages/27 Bidirectional, 9
Input Pins
Workstation/PC-Based Development
System
– C Compiler Support
– Real-Time In-Circuit Emulation
– C Source Debug
– Extensive Breakpoint/Trace Capability
– Software Performance Analysis
– Multi-Window User Interface
– EEPROM/EPROM Programming
On-Chip 24-Bit Watchdog Timer
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
†
Isosynchronous = Isochronous
Copyright 1997, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
1
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443