文档介绍：目录
摘要................................................................... I
Abstract.................................................................II
1 引言.................................................................1
2 单片机概述........................................................... 1
3 芯片的选者与简介......................................................1
MSC-51芯片简介.....................................................1
8255芯片简介.......................................................4
其他器件...........................................................5
4 控制器硬件的设计.......................................................5
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5控制器的软件设计........................................................8
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8031并行口扩展.................................................10
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8255输出信号的放大.............................................10
8255输出信号与信号灯的连接.....................................11
8255与8031的连接...............................................11
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