sdio接口协议

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1、SDMemoryCardSpecificationsPart1PHYSICALLAYERSPECIFICATIONVersion1.0March2000StandardSDGroupMatsushitaElectricIndustrialCo.,Ltd.(MEI)SanDiskCorporationMicrosystemsToshibaCorporationCONFIDENTIALSD-MemoryCardSpecifications/Part1.PhysicalLayerSpecification;

2、Version1.0RevisionHistoryDateVersionChangescomparedtopreviousissueMarch22th,20001.0BaseversionCopyrightã2000SDGroup(MEI,Toshiba,SanDisk)Conditionsforpublication:-PublisherandCopyrightHolder:SDGroup(MEI,SanDisk,Toshiba)-Confidentiality:Thisdocumentshallb

3、etreatedasconfidentialundertheNonDisclosureAgreementwhichhasbeensignedbytheobtainer.ReproductioninwholeorinpartisprohibitedwithoutpriorwrittenpermissionofSDGroup.-Exemption:Nonwillbeliableforanydamagesfromuseofthisdocument.StandardDONOTCOPY(c)2000bySDGr

4、oup(MEI,SanDisk,Toshiba)Microsystems2CONFIDENTIALDate:March2000SD-MemoryCardSpecifications/Part1.PhysicalLayerSpecification;Version1.01Generaldescription-62Systemfeatures-83SDMemoryCardSystemConcept-93.1BusTopology-93.1.1SDbus-103.1.2SPIbus-113.2BusProt

5、ocol-123.2.1SDbus-123.2.2SPIBus-153.3SDMemoryCard-PinsandRegisters-173.4CompatibilitytoMultiMediaCard-194SDMemoryCardFunctionalDescription-224.1General-224.2CardIdentificationMode-234.2.1CardReset-234.2.2OperatingVoltageRangeValidation-234.2.3CardIdenti

6、ficationProcess-254.3DataTransferMode-254.3.1WideBusSelection/Deselection-274.3.2DataRead-284.3.3DataWrite-284.3.4Erase-294.3.5WriteProtectManagement-304.3.6CardLock/UnlockOperation(Optional)-314.3.7CopyrightProtection-334.3.8Applicationspecificcommands

7、-344.4ClockControl-354.5Cyclicredundancycodes(CRC)-354.6ErrorConditions-374.6.1CRCandIllegalCommand-374.6.2Read,WriteandEraseTime-outConditions-374.7Commands-384.7.1CommandTypesStandard-384.7.2CommandFormat-384.7.3CommandClasses(RedefinedforSDMemoryCard

8、)-394.7.4DetailedCommandDescription-404.8CardStateTransitionTable-454.9Responses-464.10SDMemoryCardStatus-484.10.1CardStatus-484.10.2SDStatus-524.11MemoryArrayPartitioningMicrosystems-52DONOTCOPY(c)2000bySDGroup(MEI,SanDisk,Toshi