參數(shù)資料
型號(hào)： ST72141K2B3/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, PDIP32
封裝： 0.400 INCH, PLASTIC, SDIP-32
文件頁數(shù)： 1/133頁
文件大小： 2615K
代理商： ST72141K2B3/XXX
November 2008
Rev. 2
1/133
ST72141K2
8-bit MCU with electric-motor control,
ADC, 16-bit timers, SPI interface
NOT FOR NEW DESIGN
Features
■ Memories
– 8K Program memory (ROM/OTP)
– 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
Table 1. 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 (with 8 or 16 MHz oscillator)
Operating Temperature
-40°C to +85°C / -40°C to +125°C
Packages
SO34 / SDIP32
1
Obsolete
Product(s)
- Obsolete
Product(s)
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