this a usart program ,use for 232 or rs485 ,etc

串口程序\chuankou
........\chuankou.c
........\chuankou.hex
........\chuankou.lnp
........\chuankou.LST
........\chuankou.M51
........\chuankou.OBJ
........\chuankou.Opt
........\chuankou.plg
........\chuankou.Uv2
........\chuankou_Opt.Bak
........\chuankou_Uv2.Bak
........\dtu_g.DSN
........\dtu_g.PWI
........\Last Loaded dtu_g.DBK
........\多串口扩展芯片.pdf
........\多单片机系统中的数据交换.pdf
........\说明.txt
串口程序

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Nothing．