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StandardMicrosystemsSDMemoryCardSpecificationsPHYSICALLAYERSPECIFICATIONPart1March2000SDGroupMatsushitaElectricIndustrialCo.,Ltd.(MEI)SanDiskCorporationToshibaCorporationVersion1.0CONFIDENTIALStandardMicrosystemsDONOTCOPY(c)2000bySDGroup(MEI,SanDisk,Toshiba)2CONFIDENTIALDate:March2000SD-MemoryCardSpecifications/Part1.PhysicalLayerSpecification;Version1.0RevisionHistoryCopyright?2000SDGroup(MEI,Toshiba,SanDisk)DateVersionChangescomparedtopreviousissueMarch22th,20001.0BaseversionConditionsforpublication:-PublisherandCopyrightHolder:SDGroup(MEI,SanDisk,Toshiba)-Confidentiality:ThisdocumentshallbetreatedasconfidentialundertheNonDisclosureAgreementwhichhasbeensignedbytheobtainer.ReproductioninwholeorinpartisprohibitedwithoutpriorwrittenpermissionofSDGroup.-Exemption:Nonwillbeliableforanydamagesfromuseofthisdocument.StandardMicrosystemsDONOTCOPY(c)2000bySDGroup(MEI,SanDisk,Toshiba)3CONFIDENTIALDate:February2000SD-MemoryCardSpecifications/Part1.PhysicalLayerSpecification;Version1.01Generaldescription-62Systemfeatures-83SDMemoryCardSystemConcept-93.1BusTopology-93.1.1SDbus-103.1.2SPIbus-113.2BusProtocol-123.2.1SDbus-123.2.2SPIBus-153.3SDMemoryCard-PinsandRegisters-173.4CompatibilitytoMultiMediaCard-194SDMemoryCardFunctionalDescription-224.1General-224.2CardIdentificationMode-234.2.1CardReset-234.2.2OperatingVoltageRangeValidation-234.2.3CardIdentificationProcess-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-344.4ClockControl-354.5Cyclicredundancycodes(CRC)-354.6ErrorConditions-374.6.1CRCandIllegalCommand-374.6.2Read,WriteandEraseTime-outConditions-37
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