ST72371 Datasheet, PDF (1/94 Pages) STMicroelectronics – 8-BIT MCUs WITH 16K ROM/OTP/EPROM,512 BYTES RAM, ADC, DAC (PWM), TIMER, I2C AND SCI

R
ST72371/ST72372
8-BIT MCUs WITH 16K ROM/OTP/EPROM,
512 BYTES RAM, ADC, DAC (PWM), TIMER, I²C AND SCI
PRODUCT PREVIEW
s User Program Memory (ROM/OTP/EPROM):
16K bytes
s Data RAM: 512 bytes, including 256 bytes of
stack
s Master Reset and Power-On Reset
s Run, Wait, Slow, Halt and RAM Retention
modes
s 23 to 32 I/O lines:
– 4 to 5 programmable interrupt inputs
– 6 to 8 high sink outputs
– 4 to 8 analog alternate inputs
– 10 to 14 alternate functions
– EMI filtering
s Programmable watchdog (WDG)
s 16-bit Timer, featuring:
– 2 Input Captures
– 2 Output Compares (with 1 output pin)
– PWM and Pulse Generator modes
s 8-bit Analog-to-Digital converter (4 to 8
channels)
s Four 10-bit and one 12-bit Digital to Analog
Converter Channels with PWM output
s Fast I²C Multimaster Interface
s Serial Communications Interface (SCI)
(ST72371N only)
s 8-bit Data Manipulation
s 63 Basic Instructions
s 17 main Addressing Modes
s 8 x 8 Unsigned Multiply Instruction
s True Bit Manipulation
s Complete Development Support on PC/DOS-
WINDOWS^TM Real-Time Emulator
s Full Software Package on DOS/WINDOWS^TM
(C-Compiler, Cross-Assembler, Debugger)
PSDIP42
CSDIP42W
PSDIP56
CSDIP56
TQFP64
Device Summary
Features
Program Memory - bytes
RAM (stack) - bytes
10-Bit D/A Converter
12-Bit D/A Converter
A/D Converter
16-Bit Timer
I²C Bus
SCI
I/Os
Operating Supply
CPU Frequency
Temperature Range
Package
ST72372J4 ST72371N4
16K
512 (256)
4 channels
1 channel
4 channels 8 channels
1
1 multimaster
No
Yes
30
39
4.0 to 5.5 V
8 MHz max (24 MHz quartz)
0°C to + 70°C
SDIP42
SDIP56-
TQFP64
Rev. 1.1
March 1998
This is preliminary information on a new product in development orundergoing evaluation. Detailsare subject to change without notice.
1/94
1