AT87F55WD单片机解密

单片机解密、芯片解密技术通常有软件攻击、电子探测攻击、过错产生技术、探针技术，侵入型攻击（物理攻击）几种，同时，软件校验诱导和电压电流等攻击技术也能通过设计的特别软件和设备到达数据领导的作用从而实现加密芯片的数据再生成的目标。

世纪芯科技长期通过各种软解或硬解方法，提供各类型IC解密服务，我们一般会根据IC芯片的具体特征以及客户对解密本身的具体需求选择合适的解密手法，确保解密的成功率和解密可靠性。

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　　AT87F55WD Description

　　The AT87F55WD is a low-power, high-performance CMOS 8-bit microcomputer with 20K bytes of QuickFlash one-time programmable (OTP) read only memory and 256 bytes of RAM. The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry standard 80C51 and 80C52 instruction set and pinout. The on-chip QuickFlash allows the program memory to be user programmed by a conventional nonvolatile memory programmer. By combining a versatile 8-bit CPU with QuickFlash on a monolithic chip, the Atmel AT87F55WD is a powerful microcomputer which provides a highly-flexible and cost-effective solution to many embedded control applications.

　　AT87F55WD 　Features

　　Compatible with MCS-51? Products

　　20K Bytes of One-time Programmable QuickFlash Memory

　　4V to 5.5V Operating Range

　　Fully Static Operation: 0 Hz to 22 MHz

　　Three-level Program Memory Lock

　　256 x 8-bit Internal RAM

　　32 Programmable I/O Lines

　　Three 16-bit Timer/Counters

　　Eight Interrupt Sources

　　Programmable Serial Channel

　　Low-power Idle and Power-down Modes

　　Interrupt Recovery from Power-down Mode

　　Hardware Watchdog Timer

　　Dual Data Pointer

　　Power-off Flag