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mcu51

于 2006-11-17 发布 文件大小:2KB
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代码说明:

  用于单片机键盘扩展,由于单片机的扩展接口少,而采用这种方法 的,8155用于扩展,(SCM keyboard for expansion, the expansion of microcontroller interface small, and the use of this method. 8155 for the expansion,)

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