ST72141K2-AUTO Datasheet, PDF (1/131 Pages) STMicroelectronics – 8-bit MCU for automotive with electric-motor control, ADC, 16-bit timers, SPI interface

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
SO34S
■ 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
Features
Program memory - bytes
RAM (stack) - bytes
Peripherals
Operating Supply
CPU Frequency
Operating Temperature
Packages
November 2007
ST72141K2-Auto
8K
256 (64)
Motor control,
Watchdog, Two 16-bit timers,
SPI, ADC
4V to 5.5 V
4 or 8 MHz (with 8 or 16 MHz oscillator)
-40°C to +85°C
SO34
Rev. 1
1/131
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