SD卡的官方资料

SecureDigitalCardProductManualRevision1.79/2003SanDiskCorporationCorporateHeadquarters•140CaspianCourt•Sunnyvale,CA94089Phone[phone]•Fax[phone](SD)CardProductManual,Rev.1.7©2003SANDISKCORPORATIONSanDisk®Corporationgeneralpolicydoesnotrecommendtheuseofitsproductsinlifesupportapplicationswhereinafailureormalfunctionoftheproductmaydirectlythreatenlifeorinjury.PerSanDiskTermsandConditionsofSale,theuserofSanDiskproductsinlifesupportapplicationsassumesallriskofsuchuseandindemnifiesSanDiskagainstalldamages.See“LimitedWarrantyandDisclaimerofLiability.”Thisdocumentisforinformationuseonlyandissubjecttochangewithoutpriornotice.SanDiskCorporationassumesnoresponsibilityforanyerrorsthatmayappearinthisdocument,norforincidentalorconsequentialdamagesresultingfromthefurnishing,performanceoruseofthismaterial.Nopartofthisdocumentmaybereproduced,transmitted,transcribed,storedinaretrievablemannerortranslatedintoanylanguageorcomputerlanguage,inanyformorbyanymeans,electronic,mechanical,magnetic,optical,chemical,manualorotherwise,withoutthepriorwrittenconsentofanofficerofSanDiskCorporation.SanDiskandtheSanDisklogoareregisteredtrademarksofSanDiskCorporation.Productnamesmentionedhereinareforidentificationpurposesonlyandmaybetrademarksand/orregisteredtrademarksoftheirrespectivecompanies.©2003SanDiskCorporation.Allrightsreserved.SanDiskproductsarecoveredorlicensedunderoneormoreofthefollowingU.S.PatentNos.5,070,032;5,095,344;5,168,465;5,172,338;5,198,380;5,200,959;5,268,318;5,268,870;5,272,669;5,418,752;5,602,987.OtherU.S.andforeignpatentsawardedandpending.Lit.No.80-13-00169Rev.1.79/2003PrintedinU.S.A.RevisionHistory•Revision1.0dated6/2001−initialrelease.•Revision1.1dated11/2001−minoreditorialandtechnicalchanges.•Revision1.2dated6/2002−minoreditorialandtechnicalchanges.•Revision1.3dated7/2002−minoreditorialandtechnicalchanges.•Revision1.4dated11/2002—minoreditorialchange.•Revision1.5dated3/2003—changedpowerrequirementsinSection2.3,Table2.3;updatedaddressesinAppendixA;adjustedfootersandfrontmatter.•Revision1.6dated8/2003—added512-and1024-Mbcapacities;updated“LimitedWarranty”appendix;added“DisclaimerofLiability”appendix.•Revision1.7dated9/2003—minorrevisions;addedappnoteasAppendixASanDiskSecureDigital(SD)CardProductManual,Rev.1.7©2003SANDISKCORPORATIONiiiTableofContents1.IntroductiontotheSDCard...............................................................................................................................1-11.1.Scope.................................................................................................................................................1-21.2.ProductModels.................................................................................................................................1-21.3.SystemFeatures.................................................................................................................................1-21.4.SDCardStandard..............................................................................................................................1-31.5.FunctionalDescription......................................................................................................................1-31.5.1.FlashTechnologyIndependence.............................................................................................1-41.5.2.DefectandErrorManagement................................................................................................1-41.5.3.CopyrightProtection...............................................................................................................1-41.5.4.Endurance...............................................................................................................................1-51.5.5.WearLeveling.........................................................................................................................1-51.5.6.UsingtheEraseCommand......................................................................................................1-51.5.7.AutomaticSleepMode............................................................................................................1-51.5.8.HotInsertion...........................................................................................................................1-51.5.9.SDCard—SDBusMode........................................................................................................1-61.5.9.1.SDCardStandardCompliance..............................................................................1-61.5.9.2.NegotiatingOperationConditions.........................................................................1-61.5.9.3.CardAcquisitionandIdentification.......................................................................1-61.5.9.4.CardStatus.............................................................................................................1-61.5.9.5.MemoryArrayPartitioning............................................