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首页 1.Mobile AP

1.Mobile AP.pdf

1.Mobile AP

gzh262365440
2014-03-25 0人阅读 举报 0 0 暂无简介

简介:本文档为《1.Mobile APpdf》,可适用于IT/计算机领域

MobileEmbeddedSoCTechnologiesforFutureUserExperiencesSeogJunLee,PhDVicePresidentAPdevelopmentSamsungElectronics,Co,LtdseogjunleesamsungcomSamsungConfidentialSamsungConfidentialseogjunleesamsungcomAugth,TechnologiesforHighPerformanceAPClosingRemarksMobileAPIntroductionDeviceTrendsandChallengesEffortsforPowerandThermalOptimizationSamsungConfidentialseogjunleesamsungcomAugth,MobileApplicationProcessor(AP)MobileAPisIntegratedSystemonChipwhichactivatesOSandapplicationsforSmartphoneandTabletPC(CPU)controlssystemperipheralsandinterfaces(Chip)Source:boltportlandcomblogblogpagePCMainBoardCore(CPU)GraphicsAcceleratorEngineMemory,DisplaysystemControllerMultimediaendecodingcodecISP(ImageSignalProcessor)Camera,Audio,ModemHighLowspeedSerialParallelconnectivityinterfacesSamsungConfidentialseogjunleesamsungcomAugth,APandOtherDevicesApplicationProcessorMemoriesImageSensorsDisplayPanelsNANDSamsungConfidentialseogjunleesamsungcomAugth,KeyComponentsofMobileAPWideIOTSVAdvancedPackagePOPOperatingSystemMiddlewareApplicationsSoftwareSolutionsMMCodecMemoryIFDisplayIFStorageIFCPUGPUISPConnectivityCameraIFIPTechnologyCellLibrarySRAMDesignMethodologyCustomCircuitAdvancedLowPowerProcessDesignInfrastructureDeviceDriversSamsungConfidentialseogjunleesamsungcomAugth,MoreUserExperiencewithAPSamsungConfidentialseogjunleesamsungcomAugth,TechnologiesforHighPerformanceAPClosingRemarksMobileAPIntroductionDeviceTrendsandChallengesEffortsforPowerandThermalOptimizationSamsungConfidentialseogjunleesamsungcomAugth,HighPerformancewithMobileCPUConventionalArchitectureARMCPUDevelopmentImplementingMobileCPUMHzARMCACACAGHzGHzGHz~HighperformanceCPUessentialforrapidresponseandexecutionStandardASICdesignmethodologyisnotsufficientPPA(Performance,Power,Area)optimizationessentialDesignmethodologycanbeappliedtootherhighperformanceIPAdvancedlowpowerCMOSProcess:nmnmnm…HighspeedcircuitImplementationSpecialhighspeedcelllibraryCustomdesignedSRAMsandregisterfilesLayouttechniqueforachievinghighfrequencySemicustomdesignwithstaticanddynamiccircuitsExpertsforCPUimplementationCPUWillbecoveredat“ApplicationProcessorTechnology”SessionSamsungConfidentialseogjunleesamsungcomAugth,GPUIntroductionGPUGPU:GraphicProcessingUnitdesignedtorapidlyprocessvectorformatdatatoacceleratethebuildingofimagesintendedforoutputtoadisplayArchitectureforalgorithmswhereprocessingoflargeblocksofdataisdoneinparallelHighlyparallelstructure:moreeffectivethangeneralpurposeCPUforvectorprocessingGamingEverywhere!!SamsungConfidentialseogjunleesamsungcomAugth,EmergingTrendsinIndustryProliferationofhighperformanceGPUinmobileAPGraphicintensiveapplicationsarenowexpectedtorunseamlesslyinlowpowermobiledevicesGeneralpurposecomputingonGPUs(GPGPU)ParallelprocessingcapabilityofGPUcanbenefitgeneralpurposeprocessingscenarioSupportinggeneralpurposeinstructionsinGPUforbetterprogrammabilityGPUSamsungConfidentialseogjunleesamsungcomAugth,ConsumerDevicesandGPGPUGPUImagepostprocessingandenhancementImageeditingsoftwareAugmentedrealitySupportemergingnewcodingschemesquickly•Streamingmathalgorithmlibraries•Physicsmodeling•GamingenginesandWOWeffectsSamsungConfidentialseogjunleesamsungcomAugth,CommunicationTrendinModemModemModem:ModulatorDemodulatorEDGEWCDMAHSPAHSPALTELTEAMaxDataRate(DLUL,bps)KMKMMMMMMGMBandwidth(MHz)UPlaneLatency(msec)<<GGtransitionalGGtransitionalGGSMGPPfamilySamsungConfidentialseogjunleesamsungcomAugth,EverIncreasingMultimediaDemandsPopupnotificationsTurnbyturnnavigationGoogle’sProjectGlassesSource:wwwcnetcomwwwfoxnewscomRefocusMultimediaSamsungConfidentialseogjunleesamsungcomAugth,DUHDImagingisIncreasingChangingthemeansofcommunicationbeyondVoiceDCaptureTheaterHomePersonalFullHDUHDMoviewithcontinuedhighresolutionHighSensitivityLowNoisePixelYourphoneisstartingtoreplaceyourDSCOnebuttoncaptureneedshighlyautomatedprocessingCleaner,Faster,BrighterGalaxySUserTrendsinImagingMultimediaSamsungConfidentialseogjunleesamsungcomAugth,BusisasubsystemthattransfersdatabetweencomponentsOnchipNetworkCrossbarArchitectureSharedBusArchitectureCurrentFuturePast(’~)Past(~’)AXIBusAHBSiliconBackplaneTMOnlyonesinglemastercanuseanonchipbusMultiplemasterscanuseanonchipbusatthesametimeBetterscalabilityHigherclockfrequencyWireefficientorroutabilitySamsungConfidentialseogjunleesamsungcomAugth,OnChipCommunicationOptimizationHWEngines(MMCommGfx)MemoriesProcessorDSP“OnChipInterconnectisaDataHighwaytoconnectIPs”OnlysmartINTERCONNECTenablesthedesignofcomplexchipsOnChipBusaswellasMemorySubSystemsandComputingEnginestakeabigimpactonoverallsystemperformanceOnchipNetworkSamsungConfidentialseogjunleesamsungcomAugth,QoS:QualityofServiceQoSsolutionprovidesafairarbitrationmechanismtobestsupportservicerequirementofeachIPInterconnectMemory•CPU•LatencysensitivePerformanceLatencyAfairresourceallocationaccordingtocertainservicepolicyPerformanceLatency•GPU•InsensitivetoLatencyPerformanceLatency•DisplayIP•Eitherworksornot•BesteffortIPs•Doingtheirbest!OnchipNetworkSamsungConfidentialseogjunleesamsungcomAugth,HighDataBandwidth:NoCBusAchievedhighoperatingfrequencybyeliminatingduplicatedlogicateachswitch•Separatescomputationfromcommunication•Replacecomplexglobalwireswithastructuredinterconnectnetworkusingpacketizeddata•Betterscalability•Higherclockfrequency•MorewireefficiencyEasierroutingOnchipNetworkSamsungConfidentialseogjunleesamsungcomAugth,HDContentsHollywoodstudiosrequireahighlevelsecurityMobileBankingThenumberoftransactionsthroughmobiledevicesexponentiallyincreasesbyyearThreatofmalwareandrootkitsRootkitisabletoremotelycontrolyourdeviceonceitisinstalledDataProtectionSomeinformationmustnotbedisclosedeveninthecasethatthemobiledeviceisstolenlostSecureApplicationsonAPThereisnosecureassetthatcanbecompromisedSecuritySamsungConfidentialseogjunleesamsungcomAugth,ThechallengeofimplementingAPsecurityOpenPlatformEveryoneisabletoaccesssourcecodeswithoutanypermissionOnceahackersucceedsrooting,hesheisabletocontrolalltheresourcesinthemobiledeviceEveryRoseHasItsThornAndroidisopenplatformusingopensourcelinuxkernelPaymentTicketingSecuritySamsungConfidentialseogjunleesamsungcomAugth,APSecurity:TrustZoneSecurityDefineSecureHardwareArchitectureNormalandSecureDomainImplementinSoCEnforcingsecurenormalseparationphysicallyCombineSoCwithTrustedOSATrustedExecutionEnvironment(TEE)SecuringthesystemwithTrustZoneReadyProgram,ARMSamsungConfidentialseogjunleesamsungcomAugth,APSecurity:TrustZoneSecuritySeparateOSasNormalandSecureDomainsSecurityExtensionsofARMandSecurityAwareComponentsforrunningSecureOSSamsungConfidentialseogjunleesamsungcomAugth,APSecurity:TrustZoneSecuritySeparateOSasNormalandSecureDomainsSecurityExtensionsofARMandSecurityAwareComponentsforrunningSecureOSSecuringthesystemwithTrustZoneReadyProgram,ARMTrustzonetrustedPINentrypathTrustedhardwareperipheralinputTotrustedsoftwareTotrustedauthenticationserviceSamsungConfidentialseogjunleesamsungcomAugth,MultipleOSvendorsandthevariantsFrequentOSversionupdatesOptimizationofsoftwareparallelizationforperformancescalabilityHeterogeneousmultiprocessingVariousmultimediacomputingstandards(eg,OpenGL,DirectD,OpenCL,Renderscript,OpenSL,etc)Emergingcloudcomputingstandard:HTMLBettersecurity,powerefficiency,andreliabilityOSPortabilityMultiprocessingSupportStandardSupportVirtualizationSupportSoftwareChallengesSoftwaredevelopmentneedsarerapidlyincreasingWillbepresentedat“SoftwareSolutionforAP”SessionSamsungConfidentialseogjunleesamsungcomAugth,ScopeofSoCVerificationVerificationisgettingmoreimportantwitheverincreasingSoCdesigncomplexityArchitectureexplorationFunctionalitycheckPerformanceverificationPowerestimationPostsiliconverificationWillbecoveredat“TheChallengesinDesignandVerificationofSoCs”SessionSamsungConfidentialseogjunleesamsungcomAugth,TechnologiesforHighPerformanceAPClosingRemarksMobileAPIntroductionDeviceTrendsandChallengesEffortsforPowerandThermalOptimizationSamsungConfidentialseogjunleesamsungcomAugth,MobileDRAMTrendsMemoryQuadCoreCPUsMultitaskingLargerscreensLongerStandbyPowerPerformanceMinimalismSmallSize,SmallZheightInstantONInstantPlayRESPONSIVEMobileComputing””FullHD,DSamsungConfidentialseogjunleesamsungcomAugth,WebContentsStorageStoragePhotosVideoContentsEbookFlashcapacityanddatausageisdoublingeveryyearWillbecoveredat“NandFlashTechnology(,)”SessionContentsSharingSamsungConfidentialseogjunleesamsungcomAugth,InterfaceRevolutionStorage•And,requiresInterfaceRevolution!GbpsPCUSBNowFutureNowFutureNowFuturePHYGBpsPotentialBottleneck!ExternalCardMobileDeviceGbpsMpbsMpbsGbpsGbpsGbpsSATASATAUSBUSBMMCUFSNextGenUFSSamsungConfidentialseogjunleesamsungcomAugth,CISYourphoneisreplacingyourDSCOnebuttoncaptureneedshighlyautomatedprocessingCleaner,Faster,BrighterPortableCameraSystemChangeAnalogEraDigitalEraDigitalConvergenceEraSamsungConfidentialseogjunleesamsungcomAugth,CISCameraTrendsMainCameraTrendsSecondCameraTrendsSmartphoneusendCameraasinputdeviceforUINewUIbasedonFacedetectionandmotiondetectionSmartphonewillencroachonDSCmarketSmartStayGazeSenseZeroShutterLag→FullfpsBestShotsWillbecoveredat“CMOSImageSensorTech”SessionSamsungConfidentialseogjunleesamsungcomAugth,TechnologiesforHighPerformanceAPClosingRemarksMobileAPIntroductionDeviceTrendsandChallengesEffortsforPowerandThermalOptimizationSamsungConfidentialseogjunleesamsungcomAugth,seogjunleesamsungcomClockcontrollerPowermanagerABBcontrollerCPUVhighAudioVlowBusVtypicalLevelshifterLevelshifterDVFScontrollerClockGatingPowerGatingVoltageIslandDVFS(DynamicVoltageFrequencyScaling)ABB(AdaptiveBodyBiasing)AdaptiveThermalManagementLowpowerSRAM•Writereadassist•LowleakagetransistorLowPowerDesignMethodologyMultipletechniquesareusedtoeffectivelyreducepowerconsumptionWillbecoveredat“ModernSoCDesignFlowandMethodology”SessionSamsungConfidentialseogjunleesamsungcomAugth,seogjunleesamsungcomPowerOptimization:MultiplePowerDomainPowerManagementARMVideoLCDMemoryDMPEGDecodingMHzMHzMHzMHzOFFMPPlayingMHzOFFOFFMHzOFFMemDVideoARMOtherLCDPowerDomainThepowerconsumptionforMPplayingismuchlessthanthatforMPEGdecodingSamsungConfidentialseogjunleesamsungcomAugth,seogjunleesamsungcomPMICandAPPowerManagementPMIC:PowerManagementIC,whichsuppliespowertoAPPowerSupply(PMIC)CPUGDVideoLCDIOMemoryAPPowerManagementUnitSamsungConfidentialseogjunleesamsungcomAugth,seogjunleesamsungcomPowerOptimization:DVFSPowerManagementEnergy=PowerXTime,Power∝V∙fDVFS(DynamicVoltageFrequencyScaling)IPblocksdonotalwaysrequirefullperformanceSmallapplicationprogramrunsatverylowfrequencyPowerdissipationcanbereducedthroughlowoperatingvoltagePMICcontrolsignalPMICMobileAPVDDSamsungConfidentialseogjunleesamsungcomAugth,DVFSDynamicVoltageandFrequencyScalingStandbymodeFullCPUGPUoperationtimeByCPUloadMHzGHzONOFFOFFOFFOFFIOprocessororCPUcoprocessorISRTaskhandlingwithoutCPUhelpOFFOFFONONOFFONONONONOFFMulticoreonandoffbythetaskloadsAdaptiveloadbalancingEfficientPowerManagementbySWPowerManagementSamsungConfidentialseogjunleesamsungcomAugth,PowerOptimization:HotPluginPowerManagementMPCoreextendscontroloverpowerusagebyprovidingbothvoltageandfrequencyscalingandturningoffunusedprocessorsMinimumVddLimitsEnergySavingShutdownPoweredDownEnergyconsumedRequiredperformanceCPUoperationCPUoperationCPUoperationFullyPoweredAllprocessorsactive:DVFSforrequiredperformanceReducedconcurrencyorlowerperformancerequired:shutdownprocessorsEnergysavingfromdynamicvoltageandfrequencyscalingEnergysavingfromdynamicvoltageandfrequencyscalinglowpowerstandbyCPUoperationSamsungConfidentialseogjunleesamsungcomAugth,LimitedbatterysizeLowPowersolutionIncreasingfunctionalities,Increasingdisplaysizeresolution,NeedforFastresponseHighPerformancesolutionSmallformfactor,directcontactwithhumanskinThermalsolutionAPSOCChallengesThermalManagementSamsungConfidentialseogjunleesamsungcomAugth,AhighendSmartphoneshowsaheatspotwiththetemperatureofCafteracasualworkloadofphonecall,mapsearch,websurfingandgamingofmineach(Source:etnewscom)EstimatedTimeandTemperatureEffectofHotWateronAdultskin(Source:“StudyonThermalInjury:II”AmericanJournalofPathology)WatertempTimeforDegCDegFstDegreeBurnndDegreeburnNormalHotShowerMinutesMinutesMinutesMinutesMinuteMinutesSecondsSecondsSecondsSecondsSecondsSecondsSecondSecondsInstantaneousSecondThermalIssue:UserPointofViewThermalManagementTheexternaltemperature(skintemperature)ofhighendSmartphonenowreachesthepointthatcancauseskindamageSamsungConfidentialseogjunleesamsungcomAugth,TechnologiesforHighPerformanceAPClosingRemarksMobileAPIntroductionDeviceTrendsandChallengesEffortsforPowerandThermalOptimizationSamsungConfidentialseogjunleesamsungcomAugth,seogjunleesamsungcomHighPerformanceLongbatteryLifeCompetitivecost

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