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| 型號(hào)： | ST72141K2M1/XXX |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO34 |
| 封裝： | 0.300 INCH, PLASTIC, SSOP-34 |
| 文件頁(yè)數(shù)： | 1/132頁(yè) |
| 文件大小： | 823K |
| 代理商： | ST72141K2M1/XXX |
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Rev. 1.8
October 2001
1/132
ST72141K
8-BIT MCU WITH ELECTRIC-MOTOR CONTROL,
ADC, 16-BIT TIMERS, SPI INTERFACE
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
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
SDIP32
SO34S
Features
ST72141K2
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 (wit h 8 or 16 MHz oscillator)
Operating Temperature
-40
°C to +85°C / -40°C to +125°C
Packages
SO34 / SDIP 32
1
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