ST72101/ST72212/ST72213
8-BIT MCU WITH 4 TO 8K ROM/OTP/EPROM,
256 BYTES RAM, ADC, WDG, SPI AND 1 OR 2 TIMERS
DATASHEET
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User Program Memory (ROM/OTP/EPROM):
4 to 8K bytes
Data RAM: 256 bytes, including 64 bytes of
stack
Master Reset and Power-On Reset
Run, Wait, Slow, Halt and RAM Retention
modes
22 multifunctional bidirectional I/O lines:
鈥?22 programmable interrupt inputs
鈥?8 high sink outputs
鈥?6 analog alternate inputs
鈥?10 to 14 alternate functions
鈥?EMI filtering
Programmable watchdog (WDG)
One or two 16-bit Timers, each featuring:
鈥?2 Input Captures
鈥?2 Output Compares
鈥?External Clock input (on Timer A only)
鈥?PWM and Pulse Generator modes
Synchronous Serial Peripheral Interface (SPI)
8-bit Analog-to-Digital converter (6 channels)
(ST72212 and ST72213 only)
8-bit Data Manipulation
63 Basic Instructions
17 main Addressing Modes
8 x 8 Unsigned Multiply Instruction
True Bit Manipulation
Complete Development Support on PC/DOS-
WINDOWS
TM
Real-Time Emulator
Full Software Package on DOS/WINDOWS
TM
(C-Compiler, Cross-Assembler, Debugger)
PSDIP32
CSDIP32W
SO28
(See ordering information at the end of datasheet)
Device Summary
Features
Program Memory- bytes
RAM (stack) - bytes
16-bit Timers
ADC
Other Peripherals
Operating Supply
CPU Frequency
Temperature Range
Package
May 2001
ST72101G1
4K
one
no
ST72101G2
8K
256 (64)
one
no
one
yes
two
yes
ST72213G1
4K
ST72212G2
8K
Watchdog, SPI
3 to 5.5 V
8MHz max (16MHz oscillator) - 4MHz max over 85擄C
- 40擄C to + 125擄C
SO28 - SDIP32
Rev. 1.8
1/85
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