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IC_TS87C52X2解密分析

  关于TS87C52X2芯片解密,首先需要了解TS87C52X2 单片机的一些基本特性。我们知道,在单片机解密、IC解密过程中,不同的技术手法可能产生的解密解密就不同,而解密手法的选择除了考虑解密者本身的技术经验外,还应该对需解密的单片机有一定的了解。
  TS87C52X2特性:
  TS80C52X2 is high performance CMOS ROM, OTP, EPROM and ROMless versions of the 80C51 CMOS single chip 8-bit microcontroller.
  The TS80C52X2 retains all features of the 80C51 with extended ROM/EPROM capacity (8 Kbytes), 256 bytes of internal RAM, a 6-source, 4-level interrupt system, an on-chip oscilator and three timer/counters.
  In addition, the TS80C52X2 has a dual data pointer, a more versatile serial channel that facilitates multiprocessor communication (EUART) and an X2 speed improvement mechanism.
  The fully static design of the TS80C52X2 allows to reduce system power consumption by bringing the clock frequency down to any value, even DC, without loss of data.
  The TS80C52X2 has 2 software-selectable modes of reduced activity for further reduction in power consumption. In the idle mode the CPU is frozen while the timers, the serial port and the interrupt system are still operating. In the power-down mode the RAM is saved and all other functions are inoperative.
  TS87C52X2 特性
  80C52 Compatible
  – 8051 Pin and Instruction Compatible
  – Four 8-bit I/O Ports
  – Three 16-bit Timer/Counters
  – 256 Bytes Scratchpad RAM
  High-speed Architecture
  40 MHz at 5V, 30 MHz at 3V
  X2 Speed Improvement Capability (6 Clocks/Machine Cycle)
  – 30 MHz at 5V, 20 MHz at 3V (Equivalent to 60 MHz at 5V, 40 MHz at 3V)
  Dual Data Pointer
  On-chip ROM/EPROM (8Kbytes)
  Programmable Clock Out and Up/Down Timer/Counter 2
  Asynchronous Port Reset
  Interrupt Structure with
  – 6 Interrupt Sources
  – 4 Level Priority Interrupt System
  Full Duplex Enhanced UART
  – Framing Error Detection
  – Automatic Address Recognition             
  Low EMI (Inhibit ALE)
  Power Control Modes
  – Idle Mode
  – Power-down Mode
  – Power-off Flag
  Once Mode (On-chip Emulation)
  Power Supply: 4.5 - 5.5V, 2.7 - 5.5V
  Temperature Ranges: Commercial (0 to 70oC) and Industrial (-40 to 85oC)
  Packages: PDIL40, PLCC44, VQFP44 1.4, PQFP44 (13.9 footprint)
  深圳芯片解密研究所科技对各类单片机均进行过详细的研究,对各种技术手法的优势和缺陷都有深入的了解,为每一款芯片都能选择最具经济价值和可靠性的手法进行解密。TS87C52X2 解密联系:
  芯片解密咨询电话:086-0755- 83690800
  24小时技术咨询热线:086-0755- 83676323
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