(Mechatronics Research of East China Jiao Tong university,Nan Chang 30013 )
Abstract :This article provides a solution for the design of LED display screen controlling system Based on 51 Single-Chip Microcomputer , by comparing we use RS-232-C (also known as EIA RS-232-C)the current most commonly used SCI to implement the communication w from PC to Single-Chip Microcomputer. AT24C64 for date storage to ensure data is not lost when power-down. The design increases#p#分页标题#e# stand-alone keyboard .Let’s take 16×64 dot-matrix LED display for example to show the practical application. The detail hardware scheme and software flow is followed.
LED (Light-Emitting Diode) 显示屏,它利用发光二极管构成的点阵模块或像素单元组成的面积显示屏幕。LED显示屏控制系统是LED显示屏的核心部件,其技术水平、性能指标的高低直接影响LED显示屏运行的稳定性及显示画质的效果。 本文在介绍LED显示屏控制器基块单元中,因此显示板可扩展至更多的显示单元,用于显示更多的显示内容。
室外 LED显示屏 控制系统 的一种设计方案
摘要 提出一种基于51单片机的LED显示屏控制系统的解决方案,并通过比较采用目前最常用的一种串行通讯接口RS-232-C( EIA RS-232-C为例说明其如何实际应用,文章给出了系统具体的硬件设计电路和软件流程图。
关键词 AT89C51 LED显示屏 AT24C64 显示控制 RS-232-C 键盘
The Design for the Controlling System
of LED Display Screen
LIU Le-ping,ZHAO Wen#p#分页标题#e#
(Mechatronics Research of East China Jiao Tong university,Nan Chang 30013 )
Abstract :This article provides a solution for the design of LED display screen controlling system Based on 51 Single-Chip Microcomputer , by comparing we use RS-232-C (also known as EIA RS-232-C)the current most commonly used SCI to implement the communication w from PC to Single-Chip Microcomputer. AT24C64 for date storage to ensure data is not lost when power-down. The design increases#p#分页标题#e# stand-alone keyboard .Let’s take 16×64 dot-matrix LED display for example to show the practical application. The detail hardware scheme and software flow is followed.
LED (Light-Emitting Diode) 显示屏,它利用发光二极管构成的点阵模块或像素单元组成的面积显示屏幕。LED显示屏控制系统是LED显示屏的核心部件,其技术水平、性能指标的高低直接影响LED显示屏运行的稳定性及显示画质的效果。 本文在介绍LED显示屏控制器基块单元中,因此显示板可扩展至更多的显示单元,用于显示更多的显示内容。
8×8点阵LED外观及引脚图(如图1),其等效电路如图2所示,只要其对应的X、Y轴顺向偏压,即可使LED发亮。例如如果想使左上角LED点亮,则Y0=1,X0=0即可。应用时限流电阻可以放在X轴或Y轴。
全文件下载地址PDF格式: 室外LED点阵屏幕控制系统的一种设计方案.pdf
全文下载地址文档格式: 室外LED点阵屏幕控制系统的一种设计方案1.doc
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