文件名称:lesson1_1
介绍说明--下载内容来自于网络,使用问题请自行百度
当P0作为I/O口使用时,特别是作为输出时,输出级属于开漏电路,必须外接上拉电阻才会有高电平输出;如果作为输入,必须先向相应的锁存器写“1”,才不会影响输入电平。-When P0 as the I/O port to use, especially as the output, open drain output stage circuit is to be an external pull-up resistor will have a high output if, as input, the corresponding latch must first write " 1 " , it will not affect the input level.
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下载文件列表
lesson1_1/lesson1_1.c
lesson1_1/lesson1_1.Opt
lesson1_1/lesson1_1.plg
lesson1_1/lesson1_1.Uv2
lesson1_1/lesson1_1_Opt.Bak
lesson1_1/lesson1_1_Uv2.Bak
lesson1_1
lesson1_1/lesson1_1.Opt
lesson1_1/lesson1_1.plg
lesson1_1/lesson1_1.Uv2
lesson1_1/lesson1_1_Opt.Bak
lesson1_1/lesson1_1_Uv2.Bak
lesson1_1
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