一个单片机C51串口接收（中断）和发送例程，可以用来测试51单片机的中断接收 -C51 microcontroller serial port to receive a (break) and send routine can be used to interrupt the microcontroller 51 receives the test

两片51单片机，通过串口中断通信，发送程序，接收程序-2 51, interruption of communications through the serial port, sending program, to receive program

概述 微处理器 存储器 定时器/计数器 并行I/O口 串行Ｉ／Ｏ接口 中断系统 特殊工作方式 -Overview microprocessor memory timer/counter parallel I/O port serial I/O interface interrupt system of special work