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ic芯片解密--GMS77C1001
时间:2010-03-31 14:17:24来源:www.pcbsjx.cn 作者:龙人计算机 点击:

  这里我们提供对GMS77C1001芯片的基本性能特征介绍,因为在GMS77C1001解密等IC解密、单片机解密过程中,对单片机本身内部结构特征及加密性能有一定的了解,能够帮助客户更好的理解单片机解密技术,帮助解密工程师进行加解密特性分析以选择最合理的解密方案。
  有GMS77C1001解密等单片机解密需求者请与邦凯联系咨询更多解密详情
  24小时服务热线:086-0755-83003639
  E-mail:market2@pcblab.net

  GMS77C1001 Features
  High-Performance RISC CPU:
  - 12-bit wide instructions and 8-bit wide data path
  - 22 single word instructions
  - 0.5K/1K words on-chip program memory
  - 25 bytes on-chip data memory
  - Minimum instruction execution time 200ns @20MHz
  - Operating speed: DC - 20 MHz clock input
  - Seven special function hardware registers
  - Two-level hardware stack
  Peripheral Features:
  - Twelve programmable I/O lines
  - One 8-bit timer/counter with 8-bit programmable prescaler
  - Power-On Reset (POR)
  - Power Fail Detector : noise immunity circuit
  2 level detect ( 3V, 2.5V )
  - Internal Reset Timer (IRT)
  - Watchdog Timer (WDT) with on-chip RC oscillator
  - Programmable code-protection
  - Power saving SLEEP mode
  - Selectable oscillator options: Configuration word
  RC: Low-cost RC oscillator (200KHz~4MHz)
  XT: Standard crystal/resonator (455KHz~4MHz)
  HF: High-speed crystal/resonator (4~20MHz)
  LF: Power saving, low-frequency crystal/resonator
  (32~200KHz)

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