基于CPLD的矿用LED显示系统的设计  

Design of Mine-used LED Display System Based on CPLD

作　　者：冯小龙[1] 钱建生[1] 王鸿建[1] 李靖[1] 

机构地区：[1]中国矿业大学信电学院,江苏徐州221008

出　　处：《工矿自动化》2009年第5期100-102,共3页Journal Of Mine Automation

摘　　要：文章介绍了一种采用CPLD配合单片机实现的矿用LED显示系统,详细介绍了系统的总体设计、单片机数据处理单元和CPLD扫描显示单元的设计。该系统以89C55单片机为控制器件,实现了与PC机的数据通信及数据处理功能;使用CPLD实现了LED显示屏的自动扫描,简化了系统结构,提高了显示屏的扫描速率。The paper introduced a mine-used LED display system based on CPLD and single-chip microcomputer, introduced design of overall, data processing unit of single-chip microcomputer and CPLD scanning and display unit of the system in details. The system takes 89C55 single-chip microcomputer as controller and realizes communication with PC and data processing function, and uses CPLD to realize function of automatic scanning of LED screen which simplifies the system structure and improves the scanning speed.

关 键 词：矿用 LED显示系统 单片机 CPLD 89C55 

分 类 号：TD672[矿业工程—矿山机电]