GL823

GL823USB2.0SD/MMCCardReaderControllerDatasheetRev.1.00Sep21,2009GenesysLogic,Inc.GL823Datasheet©2009GenesysLogic,Inc.-Allrightsreserved.Page2CopyrightCopyright©2009GenesysLogic,Inc.Allrightsreserved.NopartofthematerialsshallbereproducedinanyformorbyanymeanswithoutpriorwrittenconsentofGenesysLogic,Inc.OwnershipandTitleGenesysLogic,Inc.ownsandretainsofitsright,titleandinterestinandtoallmaterialsprovidedherein.GenesysLogic,Inc.reservesallrights,including,butnotlimitedto,allpatentrights,trademarks,copyrightsandanyotherproprietyrights.Nolicenseisgrantedhereunder.DisclaimerAllMaterialsareprovided“asis”.GenesysLogic,Inc.makesnowarranties,express,impliedorotherwise,regardingtheiraccuracy,merchantability,fitnessforanyparticularpurpose,andnon-infringementofintellectualproperty.InnoeventshallGenesysLogic,Inc.beliableforanydamages,including,withoutlimitation,anydirect,indirect,consequential,orincidentaldamages.Thematerialsmaycontainerrorsoromissions.GenesysLogic,Inc.maymakechangestothematerialsortotheproductsdescribedhereinatanytimewithoutnotice.GenesysLogic,Inc.12F,No.205,Sec.3,BeishinRd.,ShindianCity,Taipei,TaiwanTel:(886-2)8913-1888Fax:[phone]©2009GenesysLogic,Inc.-Allrightsreserved.Page3RevisionHistoryRevisionDateDescription1.0009/21/2009FirstformalreleaseGL823Datasheet©2009GenesysLogic,Inc.-Allrightsreserved.Page4CONTENTSCHAPTER1GENERALDESCRIPTION...................................................6CHAPTER2FEATURES..............................................................................7CHAPTER3PINASSIGNMENT................................................................83.1Pinout..................................................................................................................83.2PinList/Descriptions.........................................................................................9CHAPTER4BLOCKDIAGRAM..............................................................10CHAPTER5ELECTRICALCHARACTERISTICS...............................115.1AbsoluteMaximumRatings...........................................................................115.2OperatingConditions......................................................................................115.3DCCharacteristics..........................................................................................115.4ACCharacteristicsofResetTiming..............................................................12CHAPTER6PACKAGEDIMENSION.....................................................13CHAPTER7ORDERINGINFORMATION............................................14GL823Datasheet©2009GenesysLogic,Inc.-Allrightsreserved.Page5LISTOFFIGURESFigure3.1-24PinSSOPPinoutDiagram............................................................................8Figure4.1-FunctionalBlockDiagram................................................................................10Figure5.1-TimingDiagramofResetWidth......................................................................12Figure5.2-TimingDiagramofPowerGoodtoUSBCommandReceiveReady............12Figure6.1-SSOP24PinPackage........................................................................................13LISTOFTABLESTable3.1-GL823PinList/Descriptions................................................................................9Table5.1-AbsoluteMaximumRatings...............................................................................11Table5.2-OperatingConditions..........................................................................................11Table5.3-DCCharacteristics..............................................................................................11Table5.4-ResetTiming........................................................................................................12Table7.1-OrderingInformation.........................................................................................14GL823Datasheet©2009GenesysLogic,Inc.-Allrightsreserved.Page6CHAPTER1GENERALDESCRIPTIONTheGL823isaUSB2.0SD/MMCFlashCardReadersinglechip.ItsupportsUSB2.0high-speedtransmissiontoSecureDigitalTM(SD),SDHC,miniSD,microSD(T-Flash),MultiMediaCardTM(MMC),RS-MMC,MMCmicro,MMCmobileononechip.AsasinglechipsolutionforUSB2.0flashcardreader,theGL823complieswithUniversalSerialBusspecificationrev.2.0,USBStorageClassspecificationver.1.0,andeachflashcardinterfacespecification.TheGL823integratesahighspeed8051microprocessorandahighefficiencyhardwareengineforthebestdatatransferperformancebetweenUSBandflashcardinterfaces.Its’pinassignmentdesignfitstocardsocketstoprovideeasierPCBlayout.Insidethechip,itintegrates5Vto3.3Vand3.3Vto1.8VregulatorsandpowerMOSFETsanditenablesthefunctionofon-chipclocksource(OCCS)whichmeansnoexternal12MHzXTALisneededandthateffectivelyreducesthetotalBOMcost.GL823Datasheet©2009GenesysLogic,Inc.-Allrightsreserved.Page7CHAPTER2FEATURES
USBspecificationcompliance-Complywith480MbpsUniversalSerialBusspecificationrev.2.0-ComplywithUSBStorageClassspecificationrev.1.0-Sup