对PIC16F877芯片的EEPROM数据区进行读写的演示程序和PIC16F87X系列芯片通过SCI（串行通信接口）来实现与PC的通信。-right PIC16F877 chip EEPROM data area of the display and write procedures and PIC16F87X series chip SCI (Serial Communications Interface) and PC communication.