TMS370Cx1x
8-BIT MICROCONTROLLER
SPNS012F – MAY 1987 – REVISED FEBRUARY 1997
JD AND N PACKAGES
(TOP VIEW)
CMOS/EEPROM/EPROM Technologies on
a Single Device
– Mask-ROM Devices for High-Volume
Production
– One-Time-Programmable (OTP) EPROM
Devices for Low-Volume Production
– Reprogrammable-EPROM Devices for
Prototyping Purposes
Internal System Memory Configurations
– On-Chip Program Memory Versions
– ROM: 2K, 4K, or 8K Bytes
D6
D7
A7
1
2
3
4
5
6
7
8
9
28 D3
27 RESET
26 D4
V
25 SPISOMI
24 SPICLK
23 SPISIMO
22 T1IC/CR
21 T1PWM
20 T1EVT
19 MC
CC
XTAL2/CLKIN
XTAL1
A6
A5
A4
A3 10
A2 11
18 INT3
– EPROM: 8K Bytes
V
12
17 INT2
SS
A1 13
16 INT1
– Data EEPROM: 256 Bytes
– Static RAM: 128 or 256 Bytes Usable as
Registers
A0 14
15 D5
FZ AND FN PACKAGES
(TOP VIEW)
Flexible Operating Features
– Low-Power Modes: STANDBY and HALT
– Commercial, Industrial, and Automotive
Temperature Ranges
4
3
2
1
28 27 26
25
– Clock Options
5
XTAL2/CLKIN
SPISOMI
SPICLK
SPISIMO
T1IC/CR
T1PWM
T1EVT
– Divide-by-1 (2 MHz–5 MHz SYSCLK)
Phase-Locked Loop (PLL)
– Divide-by-4 (0.5 MHz–5 MHz SYSCLK)
6
XTAL1
A6
24
23
22
21
20
19
7
8
A5
9
– Supply Voltage (V ) 5 V ±10%
A4
CC
10
11
A3
16-Bit General Purpose Timer
– Software Configurable as
a 16-Bit Event Counter, or
A2
MC
12 13 14 15 16 1718
a 16-Bit Pulse Accumulator, or
a 16-Bit Input Capture Functions, or
Two Compare Registers, or a
Self-Contained PWM Function
– Software Programmable Input Polarity
– 8-Bit Prescaler, Providing a 24-Bit
Real-Time Timer
– Synchronous Master/Slave Operation
TMS370 Series Compatibility
– Register-to-Register Architecture
– 128 or 256 General-Purpose Registers
– 14 Powerful Addressing Modes
– Instructions Upwardly Compatible With
All TMS370 Devices
CMOS/TTL Compatible I/O Pins/Packages
– All Peripheral Function Pins Software
Configurable for Digital I/O
– 21 Bidirectional Pins, 1 Input Pin
– 28-Pin Plastic and Ceramic DIP, or
Leaded Chip Carrier (LCC) Packages
Workstation/PC-Based Development
System
– C Compiler and C Source Debugger
– Real-Time In-Circuit Emulation
– Extensive Breakpoint/Trace Capability
– Multi-Window User Interface
On-Chip 24-Bit Watchdog Timer
– EPROM/OTP Devices:
– EPROM ’712A Standard Watchdog
– EPROM ’712B Hard Watchdog
– Mask-ROM Devices: Hard Watchdog,
Simple Counter, or Standard Watchdog
Flexible Interrupt Handling
– Two Software Programmable Interrupt
Levels
– Global-and Individual-Interrupt Masking
– Programmable Rising- or Falling-Edge
Detect
– Individual Interrupt Vectors
Serial Peripheral Interface (SPI)
– Variable-Length High-Speed Shift
Register
– Microcontroller Programmer
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.
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