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PSD301芯片解密

    为方便客户及解密工程师在解密项目合作中进行沟通协调,帮助解密工程师更好的理解芯片内部的加解密特征,从而选择最合理的解密方案,这里,我们提供对PSD301芯片的基本介绍及功能特征分析。
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    关于PSD301芯片
    The low cost PSD3XX family integrates high-performance and user-configurable blocks of EPROM, programmable logic, and optional SRAM into one part. The PSD3XX products also provide a powerful microcontroller interface that eliminates the need for external “glue logic”. The part’s integration, small form factor, low power consumption, and ease of use make it the ideal part for interfacing to virtually any microcontroller.
  The major functional blocks of the PSD3XX include:
  Two programmable logic arrays
  256Kb to 1 Mb of EPROM
  Optional 16 Kb SRAM
  Input latches
  Programmable I/O ports
  Page logic
  Programmable security.
  The PSD3XX I/O ports can be used for:
  Standard I/O ports
  Programmable chip select outputs
  Address inputs
  Demultiplexed address outputs
  A data bus port for non-multiplexed MCU applications
  A data bus “repeater” port that shares and arbitrates the local MCU data bus with
  external devices.
  PSD301芯片 FEATURES SUMMARY
  Single Supply Voltage:
  – 5 V±10% for PSD3xx, ZPSD3xx, PSD3xxR,ZPSD3xxR
  – 2.7 to 5.5 V for ZPSD3xxV, ZPSD3xxRV
  Up to 1 Mbit of EPROM
  Up to 16 Kbit SRAM
  Input Latches
  Programmable I/O ports
  Page Logic
  Programmable Security