摘要近年来，随着电子行业的开展，单片机的应用越来越广泛，基于单片机的电子电路的设计也越来越多。所以，单片机在电子教学中越来越普遍。本设计介绍的是以ATMEGA8单片机为核心的液晶显示屏控制系统。该设计详细阐述了其工作原理、根本功能框图、主要设计方法及工作流程。本设计提出了一种能实时控制显示内容的基于单片机的液晶显示屏控制系统设计方案，给出了该单片机的硬件电路和软件程序，最终显示出汉字的结果。具体方法是首先设计并焊接出一个AVR单片机开发板，基于此开发板设计出LCD模块显示电路。之后，编写LCD模块初始化程序和显示程序。最后下载程序到单片机，LCD显示出汉字。关键词：Atmega8控制LCD12864显示TitleThecontrolcircuitdesignofthedot-matrixliquidcrystaldisplaycontrolledbythemicroprocessorAbstractInrecentyears,withthedevelopmentoftheelectronicsindustry,theapplicationoftheMicrocontrollerUnitisbecomingmoreandmorewidely,also,thereismoreandmoreelectroniccircuitdesignbasedontheMicrocontrollerUnit.Therefore,theMicrocontrollerUnitusingintheelectronicteachingisbecomingmorecommon.ThisdesignintroducestheliquidcrystaldisplaycontrolsystembasedontheATMEGA8microcontroller.Thisdesignelaboratedonitsworkingprinciple,thebasicfunctionalblockdiagram,maindesignmethodsandworkingprocess.ThisdesignputsforwardtoadesignschemebasedontheMicrocontrollerUnit,whichcancontroltheshowingcontentoftheLCDscreencontrollingsystemattherealtime.Thespecificmethodisthat,firstlyweshoulddesignandweldintoanAVRMicrocontrollerdevelopmentboardandthendesignaLCDmoduledisplaycircuitbasedonthedevelopmentboard.Afterthat,writetheLCDmoduleinitializationprogramanddisplayingprogram.Atlast,downloadtheprogramtotheMCU,andtheLCDwillshowtheChinesecharacters.KeywordsATMEGA8controlLCD12864displaying目次摘要.................................................................IAbstract..............................................................II目次.................................................................III1概述.................................................................1课题背景...........................................................1设计要...
