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1、基于arm处理器的lcd控制及触摸屏接口设计（DesignofLCDcontrolandtouchscreeninterfacebasedonARMprocessor）ARMprocessorLCD.TxtandtouchscreencontrolinterfacedesignwhentheIQofmenafterEinsteinbased.Beautymakesamanstop,wisdommakesamanstay.Nothingcanbeexchangedforhealth.Thisarticleiscontributedbysunli19820113DOCdocumentsm
2、ayexperiencepoorbrowsingontheWAPside.ItisrecommendedthatyoufirstselectTXT,ordownloadthesourcefiletothelocalview.Abstract:Abstract:theman-machineinterfacecontrolsystemconsistingofS3C44B0Xcolordisplayscreenandfourwireresistivetouchscreenisanalyzedandresearcheddeeply.IntroducestheS3C44B0Xbuilt-inL
3、CDcontroller,LM7M632LCDandtouchscreencontrollerADS7843pinfunctionsandworkingprinciple,theinterfacedesignofS3C44B0XandLM7M632andADS7843,thispaperdiscussesLCDandtouchscreendrivenprocess,realizethecolorLCDdisplayandtouchscreencontrolfunction.Theexperimentshowsthatthissystemhasgoodversatilityandcan
4、beappliedtootherembeddedsystems.Keywords:ARMprocessor;S3C44B0X;LCD;ADS7843;touchscreen;0Introductionwiththedevelopmentofinformationtechnology,embeddedsystemsarewidelyappliedtoaerospace,consumerelectronics,communicationsequipmentandotherfields.Intheembeddedsystem,LCDisoneofthemainequipmentsofhum
5、an-computerinteraction,andthedisplaysystemisalsoanindispensablepart.Inrecentyears,withthecontinuousimprovementofmicroprocessorperformance,especiallytheemergenceofARMprocessorseries,thefunctionsofembeddedsystemsbecomemoreandmorepowerful.Liquidcrystaldisplaywithlowpowerconsumption,smallsize,lowpr
6、ice,lowdrivingvoltageanddisplayitssuperiorcharactersandgraphics,hasbecomethepreferredoutputdeviceinembeddedsystem.Withthedevelopmentofmultimediatechnology,monochromeLCDcannotmeetthehigherrequirementsofvariousmultimediaapplications.ColorLCDismoreandmorewidelyusedinembeddedsystems.Touchscreenisac
7、onvenienttoolforpeopletoobtaininformation,andhasbeenwidelyusedinindustry,taxation,bankingandotherindustriesthatneedinformationservicestothepublic[1].Asaspecialcomputerperipheral,touchscreenisthesimplest,convenientandnaturalhuman-c
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