ST72T141K2MARE datasheet(1/131 Pages) STMICROELECTRONICS

Part #	ST72T141K2MARE

Description	8-bit MCU for automotive with electric-motor control, ADC, 16-bit timers, SPI interface

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 131 page

Rev. 1

November 2007

1/131

ST72141K2-Auto

8-bit MCU for automotive with electric-motor control,

ADC, 16-bit timers, SPI interface

■ Memories

–8 Kbytes Program memory (OTP/EPROM)

– 256 bytes RAM

■ Clock, Reset and Supply Management

– Enhanced reset system

– Low voltage supply supervisor

– 3 power saving modes

■ 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

■ 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

■ 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

■ Communications Interface

– SPI synchronous serial interface

■ Analog Peripheral

– 8-bit ADC with 8 input pins

■ Instruction Set

– 8-bit data manipulation

– 63 basic instructions

– 17 main addressing modes

– 8 x 8 unsigned multiply instruction

– True bit manipulation

■ Development Tools

– Full hardware/software development package

Device Summary

SO34S

Features

ST72141K2-Auto

Program memory - bytes

8K

RAM (stack) - bytes

256 (64)

Peripherals

Motor control,

Watchdog, Two 16-bit timers,

SPI, ADC

Operating Supply

4V to 5.5V

CPU Frequency

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

Operating Temperature

-40°C to +85°C

Packages

SO34

1

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