This program shows how to use an external UART on the PIC. It will identify ports 0 and 1 on startup then transfer data from port 0 to 1 and from 1 to 0. This example will work with the PCB, PCM and PCH compilers.-This program shows how to use an ext

用PIC单片机实现的普通I/O口的uart通信，在单片机外还要有232的电平转换电路-PIC UART MAX232

pic单片机控制通信模块TC35打电话的程序，请自己输入电话号码-pic controls TC35 to call through uart