8255并行口扩展实例51串口通信. 8255并行口扩展实例51串口通信.-8255 parallel port, serial port communication extension instance 51. 8255 parallel port, serial port communication extension instance 51.

本系统采用51单片机为处理器以带字库的12864或1602液晶显示作为人机对话接口，硬件部分主要采用GPS模块、STC89c52RC单片机、1602液晶显示器或带字库的12864液晶显示器等组成，GPS模块发送的串行数据送至单片机串行口，经单片机处理后送到液晶显示器进行显示。-The system uses the font of 51 single-chip processor to 12864 or 1602 LCD as the man-machine dialogue interface