微处理器是一种较为特殊的电路，它可不需要外加激励而依靠程序存储器自行运转。
Microprocessor is one kind of comparatively special integrated circuit. It can run merely relying on the programs in its memory without any external stimuli.
一种微控制器(1)，具有特殊功能寄存器，在运行中在内部存储器与外部存储器之间作出内部选择。
A microcontroller (1) having a special function register to internally select between internal memory and external memory on the fly.
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