AT89S58芯片解密
深圳科茂隆提供AT89S58芯片解密服务,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.以下提供AT89S58芯片解密部分技术参数,以供参考.
AT89S58 Features
• 80C51 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
AT89S58特点
·80C52完全兼容;- 8051指令兼容
- 6个8位I / O端口(64针或68引脚版本)- 4个8位I / O端口(引脚44版)
- 3个16位定时器/计数器;- 256字节便签RAM
- 9个中断源,4个优先级;集成的电源监控(葡萄牙/ PFD的)监督内部电源(AT89S64Only)
·ISP(在系统编程)使用标准VCC电源;2048字节的引导ROM包含低级别闪存编程程序和DefaultSerial装载机
·高速架构; 在标准模式:40兆赫(2.7V至5.5V的VCC,内部和外部代码执行)60兆赫(4.5V至5.5V的VCC和内部代码执行只)
- 在X2方式(6时钟/机器周期)20兆赫(2.7V至5.5V的VCC,内部和外部代码执行),30兆赫(4.5V至5.5V的VCC和内部代码只)
·16K/32K/64K字节片上闪存程序/数据存储器;- 字节和页(128字节)的擦除和写入
- 100K的写周期;片上1792字节扩展RAM(内XRAM)为AT89S64,768 AT89S54/58字节
- 软件可选择尺寸(0,256,512,768,1024,1792字节);- 768字节选定复位AT89S64
- 256字节选定复位AT89S54/58;双数据指针
·变慢速内存/外设长度的MOVX;改进x2模式具有自主CPU和每个外设的选择
·8位预分频器的时钟;16位可编程计数器阵列;- 高速输出
- 比较/捕获;- 脉宽调制器;- 看门狗定时器功能
·异步端口复位;全双工加强与专用的内部UART的波特率发生器
·低EMI;硬件看门狗定时器(一次性使用复位输出启用),断电标志
·电源控制模式:空闲模式,掉电模式;单电源范围:2.7V至5.5V
·工业级温度范围(-40至+85 ° C);封装:PLCC44脚,PDIL40