AT89C51RC2芯片破解

0 次 时间：2009-08-25 / 11:33:25 来源：夏生

AT89C51RC2 Features：

• 80C52 Compatible
– 8051 Pin and Instruction Compatible
– Four 8-bit I/O Ports
– Three 16-bit Timer/Counters
– 256 Bytes Scratch Pad RAM
– 9 Interrupt Sources with 4 Priority Levels
– Dual Data Pointer
• Variable Length MOVX for Slow RAM/Peripherals
• ISP (In-system Programming) Using Standard VCC Power Supply
• Boot ROM Contains Low Level Flash Programming Routines and a Default Serial
Loader
• High-speed Architecture
– 48 MHz in Standard Mode and Internal Code Execution (40 MHz for external code)
– 24 MHz in X2 Mode and internal code execution (20 MHz for external code)
– 16K/32K Bytes On-chip Flash Program/Data Memory
– Byte and Page (128 Bytes) Erase and Write
– 100K Write Cycles
• On-chip 1024 Bytes Expanded RAM (XRAM)
– Software Selectable Size (0, 256, 512, 768, 1024 Bytes)
– 256 Bytes Selected at Reset for TS87C51RB2/RC2 Compatibility
• Keyboard Interrupt Interface on Port P1
• SPI Interface (Master/Slave Mode)
• 8-bit Clock Prescaler
• Improved X2 Mode with Independent Selection for CPU and Each Peripheral
• Programmable Counter Array 5 Channels
– High-speed Output
– Compare/Capture
– Pulse Width Modulator
– Watchdog Timer Capabilities
• Asynchronous Port Reset
• Full Duplex Enhanced UART
• Dedicated Baud Rate Generator for UART
• Low EMI (Inhibit ALE)
• Hardware Watchdog Timer (One-time Enabled with Reset-out)
• Power Control Modes
– Idle Mode
– Power-down Mode
– Power-off Flag
• Power Supply:
– 2.7 to 3.6 (3V Version)
– 2.7 to 5.5V (5V Version)
• Temperature Ranges: Commercial (0 to +70°C) and Industrial (-40°C to +85°C)
• Packages: PDIL40, PLCC44, VQFP44
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详细介绍请参考：
ATMEL  AT89C51RC2技术手册：AT89C51RC2.PDF