TMS370Cx2x
8-BIT MICROCONTROLLER
SPNS018C – FEBRUARY 1993 – 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) EPROM
Devices for Low-Volume Production
– Reprogrammable-EPROM Devices for
Prototyping Purposes
Internal System Memory Configurations
– On-Chip Program Memory Versions
– ROM: 4K or 8K Bytes
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
NC
SPISOMI
SPISIMO
SPICLK
NC
38
37
36
35
34
33
32
31
30
29
V
10
11
12
13
14
15
16
17
CC
NC
A7
A6
V
SS
A5
A4
A3
– EPROM: 8K Bytes
– Data EEPROM: 256 Bytes
18 19 20 21 22 23 24 25 26 27 28
– Static RAM: 256 Bytes Usable as
Registers
Flexible Operating Features
– Low-Power Modes: STANDBY and HALT
– Commercial, Industrial, and Automotive
Temperature Ranges
JC, JD, N AND NJ PACKAGES
(TOP VIEW)
B2
B3
B4
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
– Clock Options
C0
RESET
INT1
INT2
INT3
– Divide-by-1 (2 MHz–5 MHz SYSCLK) PLL
– Divide-by-4 (0.5 MHz–5 MHz SYSCLK)
MC
XTAL2/CLKIN
XTAL1
T1IC/CR
T1PWM
T1EVT
SPISOMI
SPISIMO
SPICLK
B7
B6
B5
D6
D3
– Supply Voltage (V ) 5 V ±10%
CC
V
9
CC
A7
A6
16-Bit General-Purpose Timer
– Software Configurable as
10
11
12
13
14
15
16
17
18
19
20
V
SS
A5
a 16-Bit Event Counter, or
A4
A3
A2
A1
A0
D7
D4
a 16-Bit Pulse Accumulator, or
a 16-Bit Input Capture Function, or
Two Compare Registers, or a
Self-Contained Pulse-Width-Modulation
(PWM) Function
– Software Programmable Input Polarity
– 8-Bit Prescaler, Providing a 24-Bit
Real-Time Timer
On-Chip 24-Bit Watchdog Timer
– Mask-ROM Devices: Hard Watchdog,
Simple Counter, or Standard Watchdog
Flexible Interrupt Handling
Serial Peripheral Interface (SPI)
Serial Communications Interface 1 (SCI1)
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
– 33 Bidirectional Pins, 1 Input Pin
– 44-Pin Plastic and Ceramic Leaded Chip
Carrier (LCC) Packages
– 40-Pin Plastic and Ceramic Dual-In-Line
(DIP) 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
– 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