AT89S64芯片解密

深圳科茂隆提供AT89S64芯片解密,AT89S64单片机解密等AT89S64系列解密服务,科茂隆承诺以最合理的价格、100%的成功率及最短的项目周期为客户提供优质服务,以下是的部分资料:
　　AT28C64B单片机描述
　　该AT28C64B是一个高性能的电可擦除和可编程只读存储器（EEPROM）中。它的内存为64K的8,192 8与Atmel的先进技术，非易失性的CMOS bits.Manufactured字组成，该设备提供存取时间为150纳秒，功率只有220毫瓦的功耗。当设备被取消，CMOS的待机电流小于100霡。
　　AT28C64B单片机的特点
　　快速读取时间 - 150纳秒
　　自动写操作
　　- 内部地址和数据锁存为64字节
　　快速写周期时间
　　- 页写周期时间：10毫秒最大
　　- 1到64字节页写操作
　　低功耗
　　- 工作电流为40 mA
　　- 100霡的CMOS待机电流
　　硬件和软件数据保护
　　数据的写入投票和检测完触发位
　　高可靠性的CMOS技术
　　- 耐力：100,000周期
　　- 数据保存：10年
　　单5V ± 10％电源
　　CMOS和TTL兼容输入和输出
　　JEDEC的认可字节宽度引脚
　　商业和工业温度范围
• 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