SD卡官方规格书

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1、ApprovalsheetSDMemoryCardVersion1.2SHENZHENCHENGETECHNOLOGYCO.,LTD.Copyright©2009SHENZHENCHENGETECHNOLOGYCO.,LTDAllrightsreserved1SDmemorycardfeatureDesignCHENGEStandardContentsNone(OEMDesignAvailable)ID,MKBSDSpecificationSDMemoryCardSpecificationsVer.1.10CompliantProgrammedSDSecuritySpecifi

2、cationVer.1.10Compliant(CPRMBased)Security(CHENGE*CPRM:ContentsProtectionforRecordingMediaFunctionsSpecific)SpecificationLogicalFormatSDFilesSystemSpecificationVer.1.0CompliantMechanicalWriteProtectSwitchAmechanicalslidingtabletonthesideofthecardcanuseforwriteprotectswitch.Thehostsystemshall

3、beresponsibleforthisfunction.Thecardisina“WriteProtected”statuswhenthetabletislocatedonthe“Lockposition.Thehostsystemwillnotwritenorformatthecardinthisstatus.Thecardisina“WriteEnabled”statuswhenthetabletismovedtotheoppositeposition(Un-Lock).(Pleasereferthefiguresbelowforthetabletpolarity.)2S

4、DmemorypinassignmentWaterproofProductSDmemorycardpinsdefinitionSDModePINNONAMETYPEDESCRIPTION1CD/DAT3I/O/PPCarddetect/Dataline[Bit3]2CMDPPCommand/Response3VSS1SSupplyvoltageground4VDDSSupplyvoltage5CLKIClock6VSS2SSupplyvoltageground7DAT0I/O/PPDataline[Bit0]8DAT1I/O/PPDataline[Bit1]9DAT2I/O/P

5、PDataline[Bit2]SPIModePINNONAMETYPEDESCRIPTION1CSIChipselect(Negativetrue)2DIIDATAIN3VSS1SSupplyvoltageground4VDDSSupplyvoltage5SCLKIClock6VSS2SSupplyvoltageground7DOO/PPDATAOUT38----Reserved(*)9----Reserved(*)Note:1)S:powersupply;I:input;O:output;PP:push-pulldrivers2)TheDATlineforread-onlyc

6、ardsisoutputonly(ThecardstackinitializationusesonlytheCMDchannelandisthereforecompatibleforallcards.3)*:Hostsideshouldpullupthesesignalswith10-100kohmresistanceintheSPIMode4)**:thepinsshouldbeleftopenMaximumDurableConditionOperating-25
~85
TemperatureStorage-40
~85
Operating25
/95%relativehu

7、midityHumidityStorage40
/93%relativehumidity/500hAirDischargeAbove±15KVESDCouplingPlaneDischargeAbove±8KVOperating15Gpeak-to-peakmax.VibrationStorage15Gpeak-to-peakmax.Shock1000Gmax.Program/Erasecycles100KCyclesNote:1)“Thistableshowsthemaximumrange