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1、MIPIProtocolIntroductionWhatisMIPI?MIPIstandsforMobileIndustryProcessorInterfaceMIPIAllianceisacollaborationofmobileindustryleaders.Objectivetopromoteopenstandardsforinterfacestomobileapplicationprocessors.IntendstospeeddeploymentofnewservicestomobileusersbyestablishingSp
2、ec.BoardMembersinMIPIAllianceIntel,Motorola,Nokia,NXP,Samsung,ST,TIWhatisMIPI?MIPIAllianceSpecificationfordisplayDCS(DisplayCommandSet)DCSisastandardizedcommandsetintendedforcommandmodedisplaymodules.DBI,DPI(DisplayBusInterface,DisplayPixelInterface)DBI:Parallelinterfaces
3、todisplaymoduleshavingdisplaycontrollersandframebuffers.DPI:Parallelinterfacestodisplaymoduleswithouton-paneldisplaycontrollerorframebuffer.DSI,CSI(DisplaySerialInterface,CameraSerialInterface)DSIspecifiesahigh-speedserialinterfacebetweenahostprocessoranddisplaymodule.CSI
4、specifiesahigh-speedserialinterfacebetweenahostprocessorandcameramodule.D-PHYD-PHYprovidesthephysicallayerdefinitionforDSIandCSI.DSILayersDCSspecDSIspecD-PHYspecOutlineD-PHYIntroductionLaneModule,StateandLinelevelsOperatingModesEscapeModeSystemPowerStatesElectricalCharact
5、eristicsSummaryIntroductionforD-PHYD-PHYdescribesasourcesynchronous,highspeed,lowpower,lowcostPHYAPHYconfigurationcontainsAClockLaneOneormoreDataLanesThreemainlanetypesUnidirectionalClockLaneUnidirectionalDataLaneBi-directionalDataLaneTransmissionModeLow-Powersignalingmod
6、eforcontrolpurpose:10MHz(max)High-Speedsignalingmodeforfast-datatraffic:80Mbps~1GbpsperLaneD-PHYlow-levelprotocolspecifiesaminimumdataunitofonebyteAtransmittershallsenddataLSBfirst,MSBlast.D-PHYsuitedformobileapplicationsDSI:DisplaySerialInterfaceAclocklane,Onetofourdatal
7、anes.CSI:CameraSerialInterfaceTwoDataLanePHYConfigurationLaneModulePHYconsistsofD-PHY(LaneModule)D-PHYmaycontainLow-PowerTransmitter(LP-TX)Low-PowerReceiver(LP-RX)High-SpeedTransmitter(HS-TX)High-SpeedReceiver(HS-RX)Low-PowerContentionDetector(LP-CD)ThreemainlanetypesUnid
8、irectionalClockLaneMaster:HS-TX,LP-TXSlave:HS-RX,LP-RXUnidirectionalDataLaneMaster:HS-TX,LP-TXSl