基于NAND Flash的星載固態(tài)存儲技術研究.pdf

1、西安電子科技大學碩士學位論文基于NFlash的星載固態(tài)存儲技術研究姓名：宮戰(zhàn)冬申請學位級別：碩士專業(yè)：電子與通信工程指導教師：那彥；劉建彬201102AbstractAsanimportantpartofthespacecraftelectronicsystemtheperformanceofthesatellitebornesolidstatememoryisconnectedthesuccessandfailureofthespac

2、eflightmission111esatellitebornesolidstatememorydonotonlycompleteallfunctions，butalsoneedtoadapttheverybadspaceenvironmentInthisthesis，combinedwiththecharacteristicsoftheNANDFlashtheautomaticaccesscontrolfunctionisrealiz

3、edBasedonthetechnicaldesignoftheECC(errorcheckingandcorrectioncode)，thesingleeventeffectinthespaceapplicationofthesatellitebomesolidstatememorytechniqueissolvedBasedonthetestabilitydesignoftheBIT(BuiltInTest)，fortheappli

4、cationofthespacecrafttestinginorbitandfaultisolationtheintegratedprojectoftheUnitoftheDataMemorizerandtheconcreteBITdesignisadvancedtoimprovethetestabilityForthememorymechanismestablishedintheUnitofDateMemorizerofthecell

5、erasureandwriting，usedtheaddressmappingtable，thebadblockmanagementandmemorycellbackupmanagementarerealizedallthesecanmakethesystemmorerapidandflexibletomanagethememoryblocknewholestructurehasthecharacteristicsofsmallsize

6、，modularizationandlowpowerconsumptionsothatthesystemCallfittheflexibleapplicationandconstantupgradingCombining晰tllspecificdevelopmenttasks，thisthesisdescribehowtocontrolandsolvetheaboveissuesbasedonNANDFlashmemorytechnol

7、ogyandmakethetechnologyavailableinapplicationcapabilityofspacecraftandresearchobjectivesfortheNANDFlashbasedhardwareandsoftwaresystemnlesystemnotonlyhassmallsize，lowpowerconsumptionnonvolatile，modularandscalablefeatures，

8、butalsealizebadblockmappingmanagememofNANDFlash，automaticdataloadingandreading，anti—interfererofspaceenvironmentEffectautomatictestandfaultisolationinorbitOverallstructureofthesystemistakenthemodulardesignsothesystemcanw