目录摘要.....................................................................１关键词...................................................................１Abstract.................................................................１Keywords................................................................１引言.....................................................................１1.背景介绍...............................................................２1.1LED及LED显示屏.................................................２1.2MCS-51系列单片机简介............................................２1.2.1MCS-51系列单片机及其特点...................................２1.2.2单片机的发展历史简介......................................２3.功能要求...............................................................３4.方案实现...............................................................３4.1系统硬件电路的设计................................................４4.1.1单片机系统及外围电路.........................................４4.1.2列驱动电路...................................................４4.1.3行驱动器.....................................................５4.2.系统程序的设计....................................................５4.2.1显示驱动程序.................................................５4.2.2系统主程序...................................................６5性能分析与总结..........................................................７5.1性能分析.........................................................７5.2总结.............................................................８致谢.....................................................................８参考文献.................................................................８附录A16ｘ16的点阵LED图文显示屏的硬件原理图........................９附录B主要汇编程序清单..............................................１０基于MCS-51的16ｘ16点阵LED电子显示屏的设计自动化专业学生刘隆超指导教师黄金明第１页共14页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第１页共14页摘要：LED点阵显示屏作为一种新兴的显示器件,是由多个独立的LED发光二极管封装而成.LED点阵显示屏可以显示数字或符号,通常用来显示时间、速度、系统状态等。文章给出了一种基于MCS-51单片机的16×16点阵LED显示屏的设计方案。包括系统具体的硬件设计方案,软件流程图和部分汇编语言程序等方面。在负载范围内,只需通过简单的级联就可以对显示屏进行扩展,是一种成本低廉的图文显示方案。关键词：MCS-51；LED；单片机akindofsimple16ｘ16LEDdisplayscreendesignprocessbasedonMCS-51StudentmajoringinAutomationLiuLongChaoTutorHuangJinMingAbstract：Asapopulardisplaydevicecomponent,LEDdot-matrixdisplayboardconsistsofseveralindependentLED(LightEmittingDiode).TheLEDdot-matrixdisplayboardcandisplaythenumberorsign,anditisusuallyusedtoshowtime,speed,thestateofsystemetc.Thispaperintroducesakindofsimple16ｘ16LEDdisplayscreendesignprocessbasedonMCS-51singlechipminicomputer.Thedetailhardwarescheme,softwareflowandassemblelanguageprogrammerdesignandsoonisfollowed.Thedisplaypartcanbecascadedtomeettheneed.Thepracticeprovesthedesignislow-costandeffective.Keywords:MCS-51；LED；MCU引言LED显示屏显示画面色彩鲜艳，立体感强，静如油画，动如电影，广泛应用于车站、码头、机场、商场、医院、宾馆、银行、证券市场、建筑市场、拍卖行、工业企业管理和其它公共场所。在实际应用中的显示屏由于成本和可靠性的因素常采用一种称为动态扫描的显示方法。本文设计的是一个室内用16ｘ16的点...
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