It has been found that the major limitations of typical 8-bit MCU are the ALU structure based on accumulator ,the clock system design and the CISC architecture adopted in MCS-51 design.

 
  • 分析發(fā)現,在傳統八位微處理器設計中,影響其整體性能的主要原因是:基于累加器的ALU結構、CISC指令體系、時(shí)鐘系統設計以及系統構架。
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