SoC设计方法与实现第一章绪论

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1、第一章SoC设计绪论OutlinesWhatisSoCSoCDesignTrend&ChallengesClassProjectDescriptionOutlinesWhatisSoCSoCDesignTrend&ChallengesClassProjectDescriptionWhatisSoC?SoC:System-on-ChipComplexintegratedcircuit(IC)thatintegratesthemajorfunctionalelementsofacompleteend-productintoasinglechipusi

2、ngsiliconintellectualproperty(IP)blocks.Dataquest1995:ContainsatlestoneofMPUorDSPcoreandmemoryandmorethan100kgatesSoCDesign:systemarchitecture+ICMotivationofSoCApplicationperspectiveMorecomplicatedsystemLowcostofcomputationHigherreliabilityEngineeringdesignperspectiveShrinkin

3、gproductdesignschedulesLackoftimeforproductiterationsDemandforhighperformanceDemandforsmallersizesDemandforlowerpowerOutlinesWhatisSoCSoCDesignTrend&ChallengesClassProjectDescriptionTendofSemiconductorProcessTechnologyMulti-technologyIntegrationExistingandpredictedfirstintegr

4、ationofSoCtechnologieswithstandardCMOSprocessSource:2003TechnologyRoadmapforSemiconductors,IEEEComputerSociety,January2004NewDesignTechnologyvs.DesignCostGoodnews:progressindesigntechnologyiscontinueDesigncostofpower-efficientSoCSource:ITRS:2005FocusShiftEvolutionofDesignSyst

5、emArchitectureSystem-levelabstractionisemergingExample,ESLdesignMultipledesignfilesareconvergedintooneefficientDataModelExample:automatedRTLimplementationVerificationoffunction,performance,testabilityandotherdesigncriteriaallmovetoearlier,highlevelofabstractionfollowedbyEquiv

6、alencecheckingAssertion-drivendesignoptimizationIndustrystandardinterfacefordataaccessandcontrolSource:ITRS,2003DesignObjectShiftExamples:SignalIntegrity(SI)Source:conferencepapersNewTypesofSoCPlatform-basedSoCFocusshiftedfromindividualproductstoproduct"platforms"ManyIPs:hard

7、wareandsoftwareApplicationorarchitecturerelatedplatformShortdeveloptimeMulti-coreonasinglechipLowpower->AllowedlowerfrequencywithoutreducetheperformanceDisadvantageIncreasethecomplexityofsoftware:compiler,debugger,OSSOPC:SystemonProgrammableChipSystemonProgrammableChip-SoPCIn

8、terfaceReconfigurableData-pathFPGAARM8CoreBerkeleyPleiadesProcessorM