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介绍一种使用功率逻辑器件作为８２７９的译码与驱动电路的单片机人机接口方案，并结合５１系列单片机给出了与人机接口有关的几个关键Ｃ语言子程序。
This paper introduces a singlechip man-machine interface program which uses power logic device as decoding and driving circuit of 8279, and presents several key C language subroutines related to man-machine interface with 51 seriesmicrocontroller.