TMS320VC5420toTMS320VC5421DSPMigrationBillWinderweedleDigitalSignalProcessingSolutionsABSTRACTThisdocumentdescribesissuesofinterestrelatedtomigrationfromtheTMS320VC5420totheTMS320VC5421.Theobjectiveofthisdocumentistoindicatedifferencesbetweenthetwodevices.Functionsthatareidenticalbetweenthetwodevicesarenotincluded.Fordetailedinformationonthespecificfunctionsofeitherdevice,refertothedevicedatasheets,theTMS320C54xDSPCPUandPeripherals,ReferencesetVolume1(SPRU131),andtheTMS320C54xDSPEnhancedPeripherals,ReferencesetVolume5(SPRU302).Migrationissuesfromthe’VC5420to’VC5421areindicatedwiththefollowingsymbols:[S]meanssoftwaremodificationisrequired[H]meanshardwaremodificationisrequired[D]meansthe’VC5420and’VC5421aredifferent(usuallyduetoaddedfeaturesonthe’VC5421),butnomodificationisnecessaryformigration(thatis,thedevicesaredifferentbutcompatible).Thesesymbolsareincludedatthebeginningofeachsection.Unlessotherwisenoted,theinformationcontainedinthisdocumentshouldbeconsideredADVANCEINFORMATIONonnewproductsinthesamplingorpre-productionphaseofdevelopment.Informationandspecificationsinthisdocumentaresubjecttochangewithoutnotice.=====================================================================……