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1、MIPIProtocolIntroductionMIPIDevelopmentTeam2010-9-2WhatisMIPI?MIPIstandsforMobileIndustryProcessorInterfaceMIPIAllianceisacollaborationofmobileindustryleaders.Objectivetopromoteopenstandardsforinterfacestomobileapplicationprocessors.Intendstospeeddeploymentofnewservicestomobileusersbyestablish
2、ingSpec.BoardMembersinMIPIAllianceIntel,Motorola,Nokia,NXP,Samsung,ST,TIWhatisMIPI?MIPIAllianceSpecificationfordisplayDCS(DisplayCommandSet)DCSisastandardizedcommandsetintendedforcommandmodedisplaymodules.DBI,DPI(DisplayBusInterface,DisplayPixelInterface)DBI:Parallelinterfacestodisplaymodulesh
3、avingdisplaycontrollersandframebuffers.DPI:Parallelinterfacestodisplaymoduleswithouton-paneldisplaycontrollerorframebuffer.DSI,CSI(DisplaySerialInterface,CameraSerialInterface)DSIspecifiesahigh-speedserialinterfacebetweenahostprocessoranddisplaymodule.CSIspecifiesahigh-speedserialinterfacebetw
4、eenahostprocessorandcameramodule.D-PHYD-PHYprovidesthephysicallayerdefinitionforDSIandCSI.DSILayersDCSspecDSIspecD-PHYspecOutlineD-PHYIntroductionLaneModule,StateandLinelevelsOperatingModesEscapeModeSystemPowerStatesElectricalCharacteristicsSummaryIntroductionforD-PHYD-PHYdescribesasourcesynch
5、ronous,highspeed,lowpower,lowcostPHYAPHYconfigurationcontainsAClockLaneOneormoreDataLanesThreemainlanetypesUnidirectionalClockLaneUnidirectionalDataLaneBi-directionalDataLaneTransmissionModeLow-Powersignalingmodeforcontrolpurpose:10MHz(max)High-Speedsignalingmodeforfast-datatraffic:80Mbps~1Gbp
6、sperLaneD-PHYlow-levelprotocolspecifiesaminimumdataunitofonebyteAtransmittershallsenddataLSBfirst,MSBlast.D-PHYsuitedformobileapplicationsDSI:DisplaySerialInterfaceAclocklane,Onetofourdatalanes.CSI:CameraSerialInterfaceTwoDataLanePHYConfigurationLaneModulePHYconsistsofD-PHY(LaneModule)D-PHYmay
7、containLow-PowerTransmitter(LP-TX)Low-PowerReceiver(LP-RX)High-SpeedTransmitter(HS-TX)High-SpeedReceiver(HS-RX)Low-PowerContentionDetector(LP-CD)ThreemainlanetypesUnidirectionalClockLaneMaster:HS-TX,LP-TXSlave:HS-RX,LP-RXUnidirectionalD