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ST72T141K2 Datasheet

  • ST72T141K2

  • 8-BIT MICROCONTROLLER (MCU) FOR ELECTRIC-MOTOR CONTROL WITH ...

  • 132頁(yè)

  • ETC

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ST72141K
8-BIT MCU WITH ELECTRIC-MOTOR CONTROL,
ADC, 16-BIT TIMERS, SPI INTERFACE
s
s
s
s
s
s
s
Memories
鈥?8K Program memory
(ROM/OTP/EPROM)
鈥?256 Bytes RAM
Clock, Reset and Supply Management
鈥?Enhanced reset system
鈥?Low voltage supply supervisor
鈥?3 Power saving modes
14 I/O Ports
鈥?14 multifunctional bidirectional I/O lines with:
External interrupt capability (2 vectors), 13 al-
ternate function lines, 3 high sink outputs
Motor Control peripheral
鈥?6 PWM output channels
鈥?Emergency pin to force outputs to HiZ state
鈥?3 analog inputs for rotor position detection
with no need for additional sensors
鈥?Comparator for current limitation
3 Timers
鈥?Two 16-bit timers with: 2 input captures, 2 out-
put compares, external clock input, PWM and
Pulse generator modes
鈥?Watchdog timer for system integrity
Communications Interface
鈥?SPI synchronous serial interface
Analog Peripheral
鈥?8-bit ADC with 8 input pins
SDIP32
SO34S
s
s
Instruction Set
鈥?8-bit data manipulation
鈥?63 basic instructions
鈥?17 main addressing modes
鈥?8 x 8 unsigned multiply instruction
鈥?True bit manipulation
Development Tools
鈥?Full hardware/software development package
ST72141K2
Device Summary
Features
Program memory - bytes
RAM (stack) - bytes
Peripherals
Operating Supply
CPU Frequency
Operating Temperature
Packages
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擄C to +85擄C / -40擄C to +125擄C
SO34 / SDIP32
Rev. 1.8
October 2001
1/132
1

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