USB3.0 简介

USB3.0IntroductionUSB3.0IntroductionDanielHuangDanielHuangRDProductManagerRDProductManagerSUNIXTaiwanSUNIXTaiwanVer2.2Ver2.2Index•USB3.0Market•USBHistory•USB3.0Specification•ChipsetSolution•SUNIXUSB3.0Product•SUNIXProductRoadmap•Appendix•USB3.0Market•USBHistory•USB3.0Specification•ChipsetSolution•SUNIXUSB3.0Product•SUNIXProductRoadmap•AppendixWhyUSB3.0?•DatarateRequirementsIncreasedataitself-HDVideo:4.7GB(DVD-R),25G(BD-R)Increasethesizeofmedia-HDD:500GB,HD-DVD:15GBNewhigherdataratemedia-Flashbasedproducts(SSD,HHD.etc.)Only70sectodownload14mintodownloadUSB3.0SuperspeedHDvideo25GByteTooSlow!!HDvideo25GByteFast,cool!!USB3.0USB3.055GbpsGbpsUSB2.0USB2.0480Mbps480Mbps70sec53.3sec20sec3.3sec0.8sec0.01secUSB3.013.9min8.9min3.3min33sec8.5sec0.1secUSB2.09.3hr5.9hr2.2hr22min5.7min5.3secUSB1.025GB16GB6GB1GB256MB4MBHD-MovieUSBFlashSD-MovieUSBFlash256FlashSong/PicUSB1.0(12Mbps)(1.5MB/s)USB2.0(480Mbps)(30MB/s)USB3.0(5Gbps)(over300MB/s)USB3.0(5Gbps)(over300MB/s)USBDataRateDatarateThroughputDatarateThroughputUSB3.0vs.eSATA•TheuseracknowledgementforUSBismuchhigherthaneSATA•SomePCandMBhaseSATA,but,allPCwillnotitinthefutureMostofPCvenderandHDDvenderexpectUSB3.0ratherthaneSATADell,HP,Intel,Hitachi,Maxim,Seagate,WesternDigitalIntel,Microsoft,HP,NXP,TI,NECCoremembersforspec.×◎Useracknowledgement△Underconsideration◎Upto900mABuspowered△(2m)△(5m)Cablelength△Effective:100MB/s○Effective:300MB/sDatarate△Storage◎AllofexistingUSBapplicationApplicationeSATAeSATAUSB3.0USB3.0USB3.0Development20072008200920102011PCwithChipsetChipsetintegrationHostControllerDesignUSB3.0SPECPromotersGroupStandardsDevelopmentProductDevelopmentUSB3.0HostControllerDesign•USB3.0PromoterGroupSUNIXBoardMPAdvancedMarketforAdd-OnCard2012TargetMarketForUSB3.0•USB3.0MarketislaunchedbyFlashbasedproductsandHDD.•Afterthat,DVC/DSCandDisplaywilluseUSB3.0,too.2011~2009-2010SSDHDDMediaPlayerDVCDSCScannerCellPhoneMonitor:ReplacementforRGBinterfacebyUSB3.0•Monitor:Internalflashwillbecomehigherdensity•Mobile:DVD/HDDmaybereplacedbyflashmemory•DSC,DVCUSB3.0devicein2ndstageandlater:Needshigherdatarate•HDD:Needshigherdatarate•FlashDrive:ReplacingforHDDmarket.Andneedshigherdatarate•SSD:Forvideostreaming•MediaplayerUSB3.0devicein1ststageMarketforUSB3.00500,0001,000,0001,500,0002,000,0002,500,0003,000,0003,500,0004,000,0002006200720082009201020112012USB3.0USB2.0USB1.0USB3.0MarketForecastHighspeedToUSB3.0Source:InStat,3/03UnitsinThousandsLowspeedCableLengthPowerSupplyTransmissionSpeedLogo5M5V/900mADual-simplex,fourwiredifferentialsignalingseparatefromUSB2.0signalingSimultaneousbi-directionaldataflowsLow-speed(1.5Mbps)Full-speed(12Mbps)High-speed(480Mbps)Super-speed(5.0Gbps)USB3.0USB3.05M5V/500mALow-speed(1.5Mbps)Full-speed(12Mbps)High-speed(480Mbps)USB2.0USB2.05M5V/500mAHalf-duplextwo-wiredifferentialsignalingUnidirectionaldataflowwithnegotiateddirectionalbustransitionsLow-speed(1.5Mbps)Full-speed(12Mbps)USB1.1USB1.1USBComparisonUSB3.0Standard-APinAssignmentsConnectormetalshellShieldShellStdA_SSTX+9SuperSpeedtransmitterdifferentialpairStdA_SSTX-8GroundforsignalreturnGND_DRAIN7StdA_SSRX+6SuperSpeedreceiverdifferentialpairStdA_SSRX-5GroundforpowerreturnGND4D+3USB2.0differentialpairD-2PowerVBUS1DescriptionSignalNamePinNumberBackwardCompatiblewithUSB2.0and1.1BackwardCompatiblewithUSB2.0and1.1NewUSB3.0PINNewUSB3.0PINUSB3.0Standard-BPinAssignmentsConnectormetalshellShieldShellStdA_SSTX+9SuperSpeedtransmitterdifferentialpairStdA_SSTX-8GroundforsignalreturnGND_DRAIN7StdA_SSRX+6SuperSpeedreceiverdifferentialpairStdA_SSRX-5GroundforpowerreturnGND4D+3USB2.0differentialpairD-2PowerVBUS1DescriptionSignalNamePinNumberBackwardCompatiblewithUSB2.0and1.1BackwardCompatiblewithUSB2.0and1.1NewUSB3.0PINNewUSB3.0PINUSB3.0ConnecterUSB3.0TypeAcableiscompletelycompatibletoUSB1.1&2.0connectors,thereforesuittoallcomputerconstructions,thatwillbethemostimportantinfluenceUSB3.0popularization.Blue(Pantone300C)istherecommendedcolorfortheUSB3.0Standard-AreceptacleandplugplastichousingstohelpusersdistinguishitfromtheUSB2.0Standard-Aconnector.Downerisstandard4-pinUSB3.0addupper5-pinUSB3.0Powered-BPinAssignmentsGroundreturnforDPWRDGND11PowerprovidedbyDeviceDPWR10ConnectormetalshellShieldShellStdA_SSTX+9SuperSpeedtransmitterdifferentialpairStdA_SSTX-8GroundforsignalreturnGND_DRAIN7StdA_SSRX+6SuperSpeedreceiverdifferentialpairStdA_SSRX-5GroundforpowerreturnGND4D+3USB2.0differentialpairD-2PowerVBUS1DescriptionSignalNamePinNumberBackwardCompatiblewithUSB2.0and1.1BackwardCompatiblewithUSB2.0and1.1NewUSB3.0PINNewUSB3.0PINPowerOutputPinPowerOutputPinPoweredUSB3.0ApplicationStandUSBdataCommunicationandadditionalpoweroutputUWBdongleorprinteradapterNECHostControllerChipsetSpec.•ProductName:µPD720200•HostBus:PCIExpress2.0x1Lane•USBports:2ports•Complyspecto:PCIExpress2.0BaseSpecUSB3.0reveion1.0IntelxHCIrev0.96(1.0TBD)•VDD:1.05V,3.3VPCIExpressPCIExpressxHCIUSB3.0PHYUSB2.0PHYRoothubRoothubPort1Port2Port1Port2ToUSBreceptacleNECChipsetSolutionMay2009:Releasedtheworld’s1stHostcontrollerUSB3.0(SS)inNov.2008Apr2007:Releasedtheworld’s1stWH