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DatasheetCopyright©2013AllwinnerTechnologyCo.,Ltd.AllRightsReserved.Revision1.0Feb27,2013A20A20A20Datasheet(Revision1.0)Copyright©2013AllwinnerTechnologyCo.,Ltd.AllRightsReserved.Page2DeclarationTHISA20DATASHEETISTHEORIGINALWORKANDCOPYRIGHTEDPROPERTYOFALLWINNERTECHNOLOGY(“ALLWINNER”).REPRODUCTIONINWHOLEORINPARTMUSTOBTAINTHEWRITTENAPPROVALOFALLWINNERANDGIVECLEARACKNOWLEDGEMENTTOTHECOPYRIGHTOWNER.THEINFORMATIONFURNISHEDBYALLWINNERISBELIEVEDTOBEACCURATEANDRELIABLE.ALLWINNERRESERVESTHERIGHTTOMAKECHANGESINCIRCUITDESIGNAND/ORSPECIFICA-TIONSATANYTIMEWITHOUTNOTICE.ALLWINNERDOESNOTASSUMEANYRESPONSIBILITYANDLIABILITYFORITSUSE.NORFORANYINFRINGEMENTSOFPATENTSOROTHERRIGHTSOFTHETHIRDPARTIESWHICHMAYRESULTFROMITSUSE.NOLICENSEISGRANTEDBYIMPLICATIONOROTHERWISEUNDERANYPATENTORPATENTRIGHTSOFALLWINNER.THISDATASHEETNEITHERSTATESNORIMPLIESWARRANTYOFANYKIND,INCLUDINGFITNESSFORANYPARTICULARAP-PLICATION.THIRDPARTYLICENCESMAYBEREQUIREDTOIMPLEMENTTHESOLUTION/PRODUCT.CUSTOM-ERSSHALLBESOLELYRESPONSIBLETOOBTAINALLAPPROPRIATELYREQUIREDTHIRDPARTYLICENCES.ALLWINNERSHALLNOTBELIABLEFORANYLICENCEFEEORROYALTYDUEINRE-SPECTOFANYREQUIREDTHIRDPARTYLICENCE.ALLWINNERSHALLHAVENOWARRANTY,IN-DEMNITYOROTHEROBLIGATIONSWITHRESPECTTOMATTERSCOVEREDUNDERANYREQUIREDTHIRDPARTYLICENCE.Copyright©2013AllwinnerTechnologyCo.,Ltd.AllRightsReserved.AllwinnerTechnologyCo.,Ltd.4thFloor,B6Building,NO.1,SoftwareRoad,Zhuhai,GuangdongProvince,ChinaContactUs:service@allwinnertech.comHomePage:(Revision1.0)Copyright©2013AllwinnerTechnologyCo.,Ltd.AllRightsReserved.Page3RevisionHistoryRevisionDateAuthorDescription1.02013.02.27AllwinnerInitialVersionA20A20Datasheet(Revision1.0)Copyright©2013AllwinnerTechnologyCo.,Ltd.AllRightsReserved.Page4TableofContentsCHAPTER1OVERVIEW...........................................................................................................................................4CHAPTER2FEATURES...........................................................................................................................................5CHAPTER3BLOCKDIAGRAM.............................................................................................................................10CHAPTER4PINDESCRIPTION...........................................................................................................................114.1.PINCHARACTERISTICS...........................................................................................................................114.2.GPIOMULTIPLEXINGFUNCTIONS...........................................................................................................204.3.DETAILEDPIN/SIGNALDESCRIPTION.....................................................................................................244.4.POWERSIGNALDESCRIPTION................................................................................................................29CHAPTER5ELECTRICALCHARACTERISTICS...............................................................................................315.1.ABSOLUTEMAXIMUMRATINGS.............................................................................................................315.2.RECOMMENDEDOPERATINGCONDITIONS.......................................................................................315.3.DCELECTRICALCHARACTERISTICS...................................................................................................325.4.OSCILLATORELECTRICALCHARACTERISTICS................................................................................325.4.1.24MHZOSCILLATORCHARACTERISTICS....................................................................................325.4.2.32768HZOSCILLATORCHARACTERISTICS.................................................................................335.5.POWERUP/DOWNSEQUENCE...............................................................................................................33CHAPTER6PINASSIGNMENT.............................................................................................................................356.1.PINMAP........................................................................................................................................................356.2.PACKAGEDIMENSION................................................................................................................................36A20Datasheet(Revision1.0)Copyright©2013AllwinnerTechnologyCo.,Ltd.AllRightsReserved.Page5Overview1OVERVIEWAllwinnerA20processorisadual-coreARMCortex-A7mobileapplicationsolutiondesignedfortabletandsmartTVapplications.A20processorisbasedonadual-coreARMCortex-A7CPUarchitecture,whichisthemostenergyefficientap-plicationprocessorfromARMsofarandincorporatesallthefeaturesofCortex-A15.ItalsointegratesthepowerfulARMMali400MP2GPU,deliveringareliablesystemperformanceaswellasgoodgamecompatibility.Besides,A20supports2160pvideodecodingandH.264HP1080pvideoencoding.Additionally,A20processorfeaturesawiderangeof