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51单片机---内外结构

作者：时间：2016-11-11 来源：网络

一、AT89C51单片机的整体结构

二、AT89C51单片机的外部结构

三、AT89C51单片机的内部结构

四、AT89C51单片机的引脚结构

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关键词： 51单片机内外结

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