ST72311 Datasheet, PDF (1/94 Pages) STMicroelectronics – 8-BIT MCU WITH 8 TO 16K ROM/OTP/EPROM, 384 TO 512 BYTES RAM, ADC, WDG, SCI, SPI AND 2 TIMERS

ST72311
8-BIT MCU WITH 8 TO 16K ROM/OTP/EPROM,
384 TO 512 BYTES RAM, ADC, WDG, SCI, SPI AND 2 TIMERS
PRELIMINARY DATA
s User Program Memory (ROM/OTP/EPROM):
8 to 16K bytes
s Data RAM: 384 to 512 bytes including 256 bytes
of stack
s Master Reset and Power-On Reset
s Low Voltage Detector Reset option
s Run and Power Saving modes
s 44 or 32 multifunctional bidirectional I/O lines:
– 15 or 9 programmable interrupt inputs
– 8 or 4 high sink outputs
PSDIP42
CSDIP42W
– 8 or 6 analog alternate inputs
– 13 alternate functions
– EMI filtering
s Software or Hardware Watchdog (WDG)
s Two 16-bit Timers, each featuring:
– 2 Input Captures ¹⁾
– 2 Output Compares ¹⁾
– External Clock input (on Timer A)
PSDIP56
CSDIP56W
– PWM and Pulse Generator modes
s Synchronous Serial Peripheral Interface (SPI)
s Asynchronous Serial Communications Interface
(SCI)
s 8-bit ADC with 8 channels ²⁾
s 8-bit Data Manipulation
s 63 basic Instructions and 17 main Addressing
Modes
s 8 x 8 Unsigned Multiply Instruction
s True Bit Manipulation
s Complete Development Support on DOS/
WINDOWS^TM Real-Time Emulator
s Full Software Package on DOS/WINDOWS^TM
(C-Compiler, Cross-Assembler, Debugger)
TQFP64
Notes:
1. One only on Timer A.
2. Six channels only for ST72311J.
TQFP44
Device Summary
Features
Program Memory - bytes
RAM (stack) - bytes
Peripherals
Operating Supply
CPU Frequency
Temperature Range
Package
ST72311J2
ST72311J4
ST72311N2
ST72311N4
8K
16K
8K
16K
384 (256)
512 (256)
384 (256)
512 (256)
Watchdog, Timers, SPI, SCI, ADC and optional Low Voltage Detector Reset
3 to 6 V
8 MHz max (16 MHz oscillator)
- 40°C to + 85°C
TQFP44 - SDIP42
TQFP64 - SDIP56
Rev. 1.4
September 1998
1/94
This is preliminary information on a new product in development or undergoing evaluation. Details are subject to change without notice.
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