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RS232

于 2013-02-22 发布 文件大小:2KB
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代码说明:

  RS232串口通信接收发送数字发送:从单片机P1、P2口输入按键信号, PC机RS232C口接收。 接收:PC机由RS232C口发送数字时,P4口连接的数码管显示。需要发送十六进制数,例如, 十进制数3,应该发送03(RS232 serial communication to send digital receiving )

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