本程序为STC89C52与PC机超级终端通讯的实验程序

在PC机键盘上输入字符，单片机接收，并发送回PC机，显示在超级

终端；超级终端配置为：波特率为9600，数据位8，奇偶校验：无

停止位：1；硬件：无-This program is STC89C52 communication with the PC HyperTerminal experimental procedures on the PC keyboard to enter characters, single-chip receiver and sent back to the PC, displayed on the HyperTerminal　configure HyperTerminal: 9600, 8 data bits, Parity: None Stop bits: 1　Hardware: None