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1、EURASIPJournalonAppliedSignalProcessing2005:16,26942700c2005HindawiPublishingCorporationMultimediaTerminalSystem-on-ChipDesignandSimulationIvanoBarbieriDepartmentofBiophysicalandElectronicEngineering,UniversityofGenova,ViaOperaPia11A,16146Genova,ItalyEmail:ivano@dibe.unige.itMassimoBarianiDepartme
2、ntofBiophysicalandElectronicEngineering,UniversityofGenova,ViaOperaPia11A,16146Genova,ItalyEmail:bariani@dibe.unige.itAlessandroScottoDepartmentofBiophysicalandElectronicEngineering,UniversityofGenova,ViaOperaPia11A,16146Genova,ItalyEmail:scotto@dibe.unige.itMarcoRaggioDepartmentofBiophysicalandEle
3、ctronicEngineering,UniversityofGenova,ViaOperaPia11A,16146Genova,ItalyEmail:raggio@dibe.unige.itReceived30January2004;Revised30March2005Thispaperproposesadesignapproachbasedonintegratedarchitecturalandsystem-on-chip(SoC)simulations.Themainideaistohaveanefficientframeworkforthedesignandtheevaluationof
4、multimediaterminals,allowingafastsystemsimulationwithadefinabledegreeofaccuracy.Thedesignapproachincludesthesimulationofverylonginstructionword(VLIW)digitalsignalprocessors(DSPs),theutilizationofadevicemultiplexingthemediastreams,andtheemulationofthereal-timemediaacquisition.Thismethodologyallowsthe
5、evaluationofboththemultimediaalgorithmimplementationsandthehardwareplat-form,givingfeedbackonthecompleteSoCincludingtheinteractionbetweenmodulesandconflictsinaccessingeitherthebusorsharedresources.Aninstructionsetarchitecture(ISA)simulatorandanSoCsimulationenvironmentcomposetheintegratedframework.In
6、ordertovalidatethisapproach,theevaluationofanaudio-videomultiprocessorterminalispresented,andthecompletesimulationtestresultsarereported.Keywordsandphrases:system-on-chip,multimedia,HW-SWcodesign,DSP,simulation,VLIW.1.INTRODUCTIONInthefollowing,asystem-on-chipdesignbasedonadualcoreDSParchitecturewi
7、llbedescribed.TheapproachisArchitectureachievementsofthelastyearsfollowedthebasedonHW-SWcodesign,simulatingatthesametimetheHW-SWcodesignapproachtransferringfunctionalitiesfrominstructionsetarchitecture(ISA)
