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AT89S64芯片解密

AT89S64 Features
• 80C52 Compatible
– 8051 Instruction Compatible
– Six 8-bit I/O Ports (64 Pins or 68 Pins Versions)
– Four 8-bit I/O Ports (44 Pins Version)
– Three 16-bit Timer/Counters
– 256 Bytes Scratch Pad RAM
– 9 Interrupt Sources with 4 Priority Levels
• Integrated Power Monitor (POR/PFD) to Supervise Internal Power Supply (AT89S64Only)
• ISP (In-System Programming) Using Standard VCC Power Supply
• 2048 Bytes Boot ROM Contains Low Level Flash Programming Routines and a DefaultSerial Loader
• High-speed Architecture
– In Standard Mode:40 MHz (Vcc 2.7V to 5.5V, both Internal and external code execution) 60 MHz (Vcc 4.5V to 5.5V and Internal Code execution only)
– In X2 mode (6 Clocks/machine cycle)   20 MHz (Vcc 2.7V to 5.5V, both Internal and external code execution)    30 MHz (Vcc 4.5V to 5.5V and Internal Code execution only)
• 16K/32K/64K Bytes On-chip Flash Program/Data Memory
– Byte and Page (128 Bytes) Erase and Write
– 100k Write Cycles
• On-chip 1792 bytes Expanded RAM (XRAM) for AT89S64, 768 Bytes for AT89S54/58
– Software Selectable Size (0, 256, 512, 768, 1024, 1792 Bytes)
– 768 Bytes Selected at Reset for AT89S64
– 256 Bytes Selected at Reset for AT89S54/58
• Dual Data Pointer
• Variable Length MOVX for Slow RAM/Peripherals
• Improved X2 Mode with Independent Selection for CPU and Each Peripheral
• 8-bit Clock Prescaler
• 16-bit Programmable Counter Array
– High Speed Output
– Compare/Capture
– Pulse Width Modulator
– Watchdog Timer Capabilities
• Asynchronous Port Reset
• Full-duplex Enhanced UART with Dedicated Internal Baud Rate Generator
• Low EMI (Inhibit ALE)
• Hardware Watchdog Timer (One-time Enabled with Reset-Out), Power-off Flag
• Power Control Modes: Idle Mode, Power-down Mode
• Single Range Power Supply: 2.7V to 5.5V
• Industrial Temperature Range (-40 to +85°C)
• Packages: PLCC44, PDIL40
    AT89S64单片机破解是芯片解密研究所目前成功破解的典型51系列单片机,下面是关于AT89S64单片机的主要性能特征介绍,我们提供给广大客户及各类技术工程师在芯片级解密项目合作中进行技术参考和分析。
    芯片解密研究所长期专业承接AT89S64单片机破解等51系列芯片解密项目合作,有相关芯片解密/单片机解密需求者请与我们联系咨询更多详情。
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[来源:http://www.shandong-china.com/ [作者:admin [日期:10-07-22] [热度:]

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