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水平型和垂直型微程序设计之间各有什么区别?串行微程序设计和并行微程序设计有什么区别?

问答题
2022-01-17 13:17
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正确答案

水平型微程序设计是面对微处理器内部逻辑控制的描述,所以把这种微程序设计方法称为硬方法;垂直型微程序设计是面向算法的描述,所以把这种微程序设计方法称为软方法。
在串行微程序设计中,取微指令和执行微指令是顺序进行的,在一条微指令取出并执行之后,才能取下一条微指令;在并行微程序设计中,将取微指令和执行微指令的操作重叠起来,从而缩短微周期。


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