SDIO-spec

InfineonInfineonInfineonInfSDSpecificationsPartE1SDIOSimplifiedSpecificationVersion2.00February8,2007TechnicalCommitteeSDCardAssociationInfineonInfineonInfineonInf©Copyright2000-2007SDCardAssociationSDIOSimplifiedSpecificationVersion2.00iRevisionHistoryDateVersionChangescomparedtopreviousissueApril3,20061.10SimplifiedVersionInitialReleaseFebruary8,20072.00(1)Addedmethodtochangebusspeed(NormalSpeedupto25MHzandHighSpeedupto50MHz)(2)OperationalVoltageRequirementisextendedto2.7-3.6V(3)Combinesections12(PhysicalProperties)and13(MechanicalExtensions)andaddminiSDIOtothenewsection13(PhysicalProperties)(4)AddEmbeddedSDIOATAStandardFunctionInterfaceCode(5)ReferenceofPhysicalVer2.00supportsSDHCcombocard.(6)SometyposinVer1.10arefixed.InfineonInfineonInfineonInf©Copyright2000-2007SDCardAssociationSDIOSimplifiedSpecificationVersion2.00iiReleaseofSDSimplifiedSpecificationThefollowingconditionsapplytothereleaseoftheSDsimplifiedspecification(SimplifiedSpecification)bytheSDCardAssociation.TheSimplifiedSpecificationisasubsetofthecompleteSDSpecificationwhichisownedbytheSDCardAssociation.Publisher:SDAssociation2400CaminoRamon,Suite375SanRamon,CA94583USATelephone:[phone]Fax:[phone]E-mail:[e-mail]:TheSDCardAssociationNotes:ThisSimplifiedSpecificationisprovidedonanon-confidentialbasissubjecttothedisclaimersbelow.AnyimplementationoftheSimplifiedSpecificationmayrequirealicensefromtheSDCardAssociationorotherthirdparties.Disclaimers:TheinformationcontainedintheSimplifiedSpecificationispresentedonlyasastandardspecificationforSDCardsandSDHost/AncillaryproductsandisprovidedAS-ISwithoutanyrepresentationsorwarrantiesofanykind.NoresponsibilityisassumedbytheSDCardAssociationforanydamages,anyinfringementsofpatentsorotherrightoftheSDCardAssociationoranythirdparties,whichmayresultfromitsuse.Nolicenseisgrantedbyimplication,estoppelorotherwiseunderanypatentorotherrightsoftheSDCardAssociationoranythirdparty.NothinghereinshallbeconstruedasanobligationbytheSDCardAssociationtodiscloseordistributeanytechnicalinformation,know-howorotherconfidentialinformationtoanythirdparty.InfineonInfineonInfineonInf©Copyright2000-2007SDCardAssociationSDIOSimplifiedSpecificationVersion2.00iiiConventionsUsedinThisDocumentNamingConventionsSometermsarecapitalizedtodistinguishtheirdefinitionfromtheircommonEnglishmeaning.WordsnotcapitalizedhavetheircommonEnglishmeaning.NumbersandNumberBasesHexadecimalnumbersarewrittenwithalowercase“h”suffix,e.g.,FFFFhand80h.Binarynumbersarewrittenwithalowercase“b”suffix(e.g.,10b).Binarynumberslargerthanfourdigitsarewrittenwithaspacedividingeachgroupoffourdigits,asin100001010010b.Allothernumbersaredecimal.KeyWordsMay:Indicatesflexibilityofchoicewithnoimpliedrecommendationorrequirement.Shall:Indicatesamandatoryrequirement.Designersshallimplementsuchmandatoryrequirementstoensureinterchangeabilityandtoclaimconformancewiththespecification.Should:Indicatesastrongrecommendationbutnotamandatoryrequirement.Designersshouldgivestrongconsiderationtosuchrecommendations,butthereisstillachoiceinimplementation.ApplicationNotesSomesectionsofthisdocumentprovideguidancetothehostimplementersasfollows:ApplicationNote:Thisisanexampleofanapplicationnote.InfineonInfineonInfineonInf©Copyright2000-2007SDCardAssociationSDIOSimplifiedSpecificationVersion2.00ivTableofContents1.GeneralDescription.................................................................................................................................11.1SDIOFeatures....................................................................................................................................11.2PrimaryReferenceDocument.............................................................................................................11.3StandardSDIOFunctions....................................................................................................................12.SDIOSignalingDefinition........................................................................................................................22.1SDIOCardTypes................................................................................................................................22.2SDIOCardmodes...............................................................................................................................22.2.1SPI(Cardmandatorysupport).....................................................................................................22.2.21-bitSDDataTransferMode(CardMandatorySupport).............................................................22.2.34-bitSDDataTransferMode(MandatoryforHigh-SpeedCards,OptionalforLow-Speed).........22.3SDIOHostModes...............................................................................................................................22.4SignalPins..........................................................................................................................................33.SDIOCardInitialization.......................