利用8088/86CPU控制8251A可编程串行通信控制器，实现两个实验台之间的串行通讯。其中一个实验台作为发送方，另一侧为接收方。发送方读入按键值，并发送给接收方，接收方收到数据后在LED上显示。-8088/86CPU control 8251A programmable serial communication controller, serial communication between the two experiments. One of the experiments as the sender, the other side is the receiver. Read key value of the sender, and sent to the receiver, the receiver receives data displayed on the LED.