一个简单的串口通信汇编程序，通过上位机发送控制信号控制单片机LED灯的点亮与否。文件有protues仿真电路与hex文件。调试时请下载串口调试助手，端口Com1，波特率96-A simple serial communication assembler, through the host computer sends control signals control the chip LED lamp is lit or not. Documents protues Simulation ci