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在Ｗｉｎｄｏｗｓ９５下使用串口ＡＰＩ函数实现ＰＣ机与单片机ＡＴ８９Ｃ５１的串口通信，重点介绍计算机采用事件驱动Ｉ／Ｏ方式的函数编程及单片机串口中断发送、接收程序的实现。
In Windows95 using serial port API function PC and MCU AT89C51 serial communication, focusing on the computer using event-driven I / O function programming and SCM serial port interrupt sending and receiving program to achieve.