搜索
42.EVKSchematic53.SymboldefineSCLK:Thetransmissionifinformationinthebusisfollowingaclocksignal.Eachtransmissionofdatabitistakenplaceduringasingleclockperiodofthispin.SDIN:Thispinactsasacommunicationchannel.TheinputdatathroughSDINarelatchedattherisingedgeofSCLKinthesequenceofMSBfirstandconvertedto8-bitparalleldataandhandledattherisingedgeoflastserialclock.SDINisidentifiedtodisplaydataorcommandbyD/C#bitdataattherisingoffirstSCLK.D/C#:ThisisData/Commandcontrolpin.WhenitispulledHIGH(i.e.connecttoVDD),thedataatD[7:0]istreatedasdata.WhenitispulledLOW,thedataatD[7:0]willbetransferredtothecommandregister.RES#:Thispinisresetsignalinput.WhenthepinispulledLOW,initializationofthechipisexecuted.KeepthispinHIGH(i.e.connecttoVDD)duringnormaloperation.CS#:Thispinisthechipselectinput.(activeLOW).VCC:Powersupplyforpaneldrivingvoltage.Thisisalsothemostpositivepowervoltagesupplypin.VDD:Powersupplypinforcorelogicoperation.VSS:Thisisagroundpin.VBAT:ThisisthepowersupplypinfortheinternalbufferoftheDC/DCvoltageconverter.Itmustbeconnectedtoexternalsourcewhentheconverterisused.ItshouldbeconnectedtoVDDwhentheconverterisnotused.VCOMH:ThepinforCOMsignaldeselectedvoltagelevel.AcapacitorshouldbeconnectedbetweenthispinandVSS.C1P/C1N/C2P/C2N:Thecharge-pumpcapacitorsarerequiredbetweentheterminals.Theymustbefloatedwhentheconverterisnotused.64.TIMMINGCHARACTERISTICS4.1SPI-SeriesMPUparallelInterfaceTable4-1:4-wireSerialInterfaceTimingCharacteristicsFigure4-2:4-wireSerialinterfacecharacteristics75.EVKuseintroductionFigure5EVKPCBandOLEDModuleUG-2832HSWEG01is(TAB+FPC)typemodule,pleaserefertoFig5,Fig6.UsercanuseleadingwiretoconnectEVKwithcustomer’ssystem.TheexampleshowsasFig7.Figure6ThecombinationofthemoduleandEVKModuleEVK悠景科技股份有限公司悠景科技股份有限公司悠景科技股份有限公司悠景科技股份有限公司8Fig7EVKwithtestplatformNote1：ItisOLEDhighvoltagesupply.Note2：Itislogicvoltagesupply.Note3：Thoseareleadingwireconnecttocontrolboard.Thosearedatapin.(D0-D7)Note4：Thoseareleadingwireconnecttocontrolboard.Thosearecontrolpin.(A0,CSB,RDB,WRB,RSTB)Note1Note3Note2Note4悠景科技股份有限公司96.PowerdownandPowerupSequenceToprotectOLEDpanelandextendthepanellifetime,thedriverICpowerup/downroutineshouldincludeadelayperiodbetweenhighvoltageandlowvoltagepowersourcesduringturnon/off.Suchthatpanelhasenoughtimetochargeupordischargebefore/afteroperation.PowerupSequence:1.PowerupVDD2.SendDisplayoffcommand3.DriverICInitialSetting4.ClearScreen5.PowerupVDDH6.Delay100ms(whenVDDisstable)7.SendDisplayoncommandPowerdownSequence:1.SendDisplayoffcommand2.PowerdownVDDH3.Delay100ms(whenVDDHisreach0andpaneliscompletelydischarges)4.PowerdownVDDDDiissppllaayyoonnVDDVVDDDDoonnVVCCCCoonnVSS/GroundVCCVVDDDDooffffVDDDDiissppllaayyooffffVVCCCCooffffVSS/GroundVCC悠景科技股份有限公司10RES=0Delay10msRES=1Suggestallregistersetagain7.HowtouseSSD1306module7.1InitialStepFlowDriverICInitialCodeResetDriverICDisplayonClearRAMStartDispaly