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ST72T251G2 Datasheet

  • ST72T251G2

  • 8-BIT MCU WITH 4 TO 8K ROM/OTP/EPROM. 256 BYTES RAM. ADC. WG...

  • 900.02KB

  • 100頁

  • ETC

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ST72251
8-BIT MCU WITH 4 TO 8K ROM/OTP/EPROM,
256 BYTES RAM, ADC, WDG, SPI, I
2
C AND 2 TIMERS
DATASHEET
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User Program Memory (ROM/OTP/EPROM):
4 to 8K bytes
Data RAM: 256 bytes, including 64 bytes of
stack
Master Reset and Power-On Reset
Run, Wait, Slow and Halt modes
22 multifunctional bidirectional I/O lines:
鈥?22 programmable interrupt inputs
鈥?8 high sink outputs
鈥?6 Analog alternate inputs
鈥?16 Alternate Functions
鈥?EMI filtering
Programmable watchdog (WDG)
Two 16-bit Timers, each featuring:
鈥?2 Input Captures
鈥?2 Output Compares
鈥?External Clock input (on Timer A only)
鈥?PWM and Pulse Generator modes
Synchronous Serial Peripheral Interface (SPI)
Full I
2
C multiple Master/Slave interface
8-bit Analog-to-Digital converter (6 channels)
8-bit Data Manipulation
63 Basic Instructions
17 main Addressing Modes
8 x 8 Unsigned Multiply Instruction
True Bit Manipulation
Complete Development Support on PC/DOS-
WINDOWS
TM
Real-Time Emulator
Full Software Package on DOS/WINDOWS
TM
(C-Compiler, Cross-Assembler, Debugger)
PSDIP32
CSDIP32W
SO28
(See ordering information at the end of datasheet)
Device Summary
Features
Program Memory
- bytes
RAM (stack) - bytes
Peripherals
Operating Supply
CPU Frequency
Temperature Range
Package
ST72251G1
4K
256 (64)
Watchdog, Timers, SPI, I
2
C, ADC
3 to 5.5 V
8MHz max (16MHz oscillator)
4MHz max over 85擄C
- 40擄C to + 125擄C
SO28 - SDIP32
ST72251G2
8K
Rev.
1.9
June 2001
1/100
1

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