UG-2864HSWEG01 user guide.pdf

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1、悠景科技股份有限公司UG-2864HSWEG01128X64EvaluationKitUserGuideWriter:JamesWangE-mail:James_Wang@univision.com.twVersion:Preliminary1悠景科技股份有限公司Contents1.REVISIONHISTORY……………………………………………………………………………...32.EVKSchematic……………………………………………………………………………………..43.Symboldefine……

2、…………………………………………………………………………………54.TIMMINGCHARACTERISTICS…………………………...……………………………………...64.18080-SeriesMPUparallelInterface……………………………………………………………74.26800-SeriesMPUparallelInterface……………………………………………………………94.3SPIInterface……………………………………………………………………………………104.4

3、IICInterface……………………………………………………………………………………115.EVKuseintroduction………………………………………………………………………..…146.PowerdownandPowerupSequence……………………………………………………...…177.HowtouseSSD1306module………………………………………………………………….187.1InitialStepFlow…………………………………………………………………………...18

4、7.2RDrecommendInitialCodeforIICInterface………………………………………197.2.1SubFunctionforIICInterface……………………………………………….202悠景科技股份有限公司1.REVISIONHISTORYDatePageContentsVersion2008/10/01PreliminaryPreliminary0.03悠景科技股份有限公司2.EVKSchematic*R1shouldbereplacedas560kΩwhilesupp

5、lying9VonVCCexternally.4悠景科技股份有限公司3.SymboldefineVCC:Powersupplyforpaneldrivingvoltage.VBAT:Powersupplyforpaneldrivingvoltage(EmbeddedChargePump).VDD：Powersupplyforcorelogicoperation.VSS：Thisisgroundpin.BS0~BS2：MUCbusinterfaceselectionpin(Page4Table7-1).CS

6、：Thispinischipselectinput(activeLOW).RES：Thispinisresetsignalinput(activeLOW).D/C：ThisisDATA/COMMANDcontrolpin.WhenitisPulledHIGH,thedataatD[0~7]istreatedasdata.WhenitispulledLOW,thedataatD[0~7]willbetransferredtothecommandregister.InI2Cmode,thispinactsas

7、SA0forslaveaddressselect.R/W：Thisisread/writecontrolinputpinconnectingtotheMCUinterface.Wheninterfacetoa6800-seriesmicroprocessor,ReadmodewillbecarriedoutwhenthispinispulledHIGHandwritemodewhenlow.Wheninterfacetoan8080-microprocessor,thispinwhenbethedataW

8、riteinput.Whenserialinterfaceisselected,thispinmustbeconnectedtoVss.E/RD：Wheninterfacetoa6800-seriesmicroprocessor,thispinwillbeusedastheEnable(E)signal.Wheninterfacetoan8080-microprocessor,thispinreceivestheRead(RD