Introduction - If you have any usage issues, please Google them yourself
applicable MCU 51 RS232 communications source code, they are full of.
Packet : 51622465m232.rar filelist
RS232通信源代码\rs232\RS_DEMO.C
RS232通信源代码\rs232\RS232.C
RS232通信源代码\rs232
RS232通信源代码