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1、毕业设计(论文)题目:多变流水灯控制电路的设计学院:电气与电子信息工程学院专业名称:电气自动化技术学号:学生姓名:指导教师:摘要本设计是一LED流水灯的设计。整机以美国ATMEL公司生产的40脚单片机AT89C51为核心,介绍了以它为控制系统的LED灯的动态设计和开发过程。通过该芯片控制一个行LED灯按一定顺序亮,文中详细介绍了LED显示的设计思路。单片机控制系统程序采用单片机汇编语言进行编辑,通过编程控制各显示点对应LED阳极和阴极端的电平,就可以有效的控制各显示点的亮灭。当然流水灯一般只是在用
2、芯片做控制时起修饰作用,若只用单片机做流水灯,就不能很好体现单片机的强大功能。这里的流水灯只是单片机应用中的最基础的一方面。LED显示以其组构方式灵活、显示稳定、功耗低、寿命长、技术成熟、成本低廉等特点在车站、证券所、运动场馆、交通干道及各种室内/外显示场合的信息发布,公益宣传,环境参数实时,重大活动倒计时等等得到广泛的应用。经实践证明,该系统显示误差小,性能稳定,结构合理,扩展能力强。关键词:汇编语言;AT89C51单片机;动态显示;LEDABSTRACTThisdesignisLEDflows
3、thelanternfloateddownriverthedesign. Completemachine40footmonolithicintegratedcircuitAT89C51whichproducesbyAmericanATMELCorporationisacore,introducedtakeitasthecontrolsystemLEDlampdynamicdesignandtheperformancehistory.ControlsalineofLEDlampthroughthis
4、chiptobebrightaccordingtocertainorder,inthearticleindetailintroducedtheLEDdemonstrationdesignmentality.Themonolithicintegratedcircuitcontrolsystemprocedureusesthemonolithicintegratedcircuitassemblylanguagetocarryontheedition,controlseachdemonstrationp
5、ointcorrespondenceLEDanodeandthecloudyextremelevelthroughtheprogramming,mayeffectivecontroleachdemonstrationextinguishbrightly.Certainlyflowsthelanternfloateddownriveronlyisgenerallywhenusesthechipmakesthecontrolthebeautificationfunction,ifonlyusesthe
6、monolithicintegratedcircuittodoflowsthelanternfloateddownriver,cannotverygoodmanifestthemonolithicintegratedcircuittheformidablefunction.Ontheonehandhereclasslanternfloateddownriveronlyisinthemonolithicintegratedcircuitapplicationmostfoundation.LEDdem
7、onstratedbyitsfabricwaynimble,thedemonstrationstable,thepowerlosslow,thelifelong,thetechnologymature,thecostinexpensiveandsoonthecharacteristicsinthestation,thenegotiablesecurities,themovementfacility,inthetransportationyangormaleprincipleandeachkindo
8、froom/outsidethedemonstrationsituationinformationissued,publicwelfarepropaganda,environmentparameterreal-time,movesthecountdownandsoontoobtainthewidespreadapplicationsignificantly.Afterthepracticeproof,thissystemdemonstrationerrorissmall,thepe