ST72141K View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST72141K

8-BIT MCU WITH ELECTRIC-MOTOR CONTROL, ADC, 16-BIT TIMERS, SPI INTERFACE

STMicroelectronics 

ST72141K

8-BIT MCU WITH ELECTRIC-MOTOR CONTROL,

ADC, 16-BIT TIMERS, SPI INTERFACE

PRELIMINARY DATA

s Memories

– 8K Program memory

(ROM/OTP/EPROM)

– 256 Bytes RAM

s Clock, Reset and Supply Management

– Enhanced reset system

– Low voltage supply supervisor

– 3 Power saving modes

s 14 I/O Ports

– 14 multifunctional bidirectional I/O lines with:

External interrupt capability (2 vectors), 13 al-

ternate function lines, 3 high sink outputs

s Motor Control peripheral

– 6 PWM output channels

– Emergency pin to force outputs to HiZ state

– 3 analog inputs for rotor position detection

with no need for additional sensors

– Comparator for current limitation

s 3 Timers

– Two 16-bit timers with: 2 input captures, 2 out-

put compares, external clock input, PWM and

Pulse generator modes

– Watchdog timer for system integrity

s Communications Interface

– SPI synchronous serial interface

s Analog Peripheral

– 8-bit ADC with 8 input pins

SDIP32

SO34S

s Instruction Set

– 8-bit data manipulation

– 63 basic instructions

– 17 main addressing modes

– 8 x 8 unsigned multiply instruction

– True bit manipulation

s Development Tools

– Full hardware/software development package

Device Summary

Features

Program memory - bytes

RAM (stack) - bytes

Peripherals

Operating Supply

CPU Frequency

Operating Temperature

Packages

ST72141K2

8K

256 (64)

Motor control,

Watchdog, Two 16-bit timers,

SPI, ADC

4V to 5.5V

4 or 8 MHz (with 8 or 16 MHz oscillator)

-40°C to +85°C

SO34 / SDIP32

Rev. 1.6

September 2000

1/132

This is preliminary information on a new product in development or undergoing evaluation. Details are subject to change without notice.

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