基于8031实现LED大屏幕显示屏

The Large LED Display Screen Based on 8031 Chip Microcomputer

文章介绍了以8031为核心的LED大屏幕显示屏的设计原理,在设计LED的列驱动电路时,采用两列信号驱动,将整个屏幕上下平分为二的扫描技术,从而提高了显示亮度,防止频闪,列驱动模块采用大电流的74HC595芯片。并能与上位机(PC机)之间通信,PC机向8031发送数据,8031接收数据并显示。

This paper introducuces the theory of large LED display screen based on 8031 chip microcomputer. When this driving circuit is designed, two column driving signal is used .The screen is divided in to two parts to scan.This improves the bright - ness and prevents flickering.The model of column is used for 74HC595 .When PC transmits data to the microcomputer with 8031 chip, the microcomputer with 8031 chip receives data and displays.The paper presents the block frame and the flow of software design.