DisplayPort-Specification

ProposedVESADisplayPortStandardVer.1.1aDraft6©Copyright2007VideoElectronicsStandardsAssociationPage1of243ProposedDisplayPort™Standard860HillviewCourt,Suite150Phone:[phone]Milpitas,CA95035Fax:[phone]URL:(Version1Revision1withErrataCorrection/Clarification)Draft6December10,2007PurposeThepurposeofthisdocumentistodefineaflexiblesystemandapparatuscapableoftransportingvideo,audioandotherdatabetweenaSourceDeviceandaSinkDeviceoveradigitalcommunicationsinterface.SummaryTheDisplayPort™standardspecifiesanopendigitalcommunicationsinterfaceforuseinbothinternalconnections,suchasinterfaceswithinaPCormonitor,andexternaldisplayconnections,includinginterfacesbetweenaPCandmonitororprojector,betweenaPCandTV,orbetweenadevicesuchasaDVDplayerandTVdisplay.ThisDisplayPortVer.1.1adocumentincorporatesalltheerratacorrectionandclarificationitemsonDisplayPortVer.1.1asdescribedinErrataCorrectionsandClarificationsonDisplayPortStandardVersion1.Revision1.ProposedVESADisplayPortStandardVer.1.1aDraft6©Copyright2007VideoElectronicsStandardsAssociationPage2of243TableofContentsACKNOWLEDGEMENTS............................................................................................................................10REVISIONHISTORY....................................................................................................................................131INTRODUCTION....................................................................................................................................141.1DISPLAYPORTSPECIFICATIONORGANIZATION......................................................................................141.2DISPLAYPORTOBJECTIVES...................................................................................................................141.2.1KeyIndustryNeedsforDisplayPort............................................................................................151.2.2DisplayPortTechnicalObjectives................................................................................................151.2.3DisplayPortExternalConnectionObjectives..............................................................................161.2.4DisplayPortInternalConnectionObjectives...............................................................................171.2.5DisplayPortCEConnectionObjectives.......................................................................................171.2.6ContentProtectionforDisplayPort.............................................................................................171.3ACRONYMS............................................................................................................................................171.4GLOSSARY.............................................................................................................................................201.5REFERENCES.........................................................................................................................................241.6NOMENCLATUREFORBITANDBYTEORDERING....................................................................................251.6.1BitOrdering.................................................................................................................................251.6.2ByteOrdering...............................................................................................................................251.7OVERVIEWOFDISPLAYPORT.................................................................................................................271.7.1Make-upoftheMainLink............................................................................................................271.7.2Make-upofAUXCH....................................................................................................................281.7.3LinkConfigurationandManagement..........................................................................................291.7.4Layered,ModularArchitecture....................................................................................................292LINKLAYER...........................................................................................................................................312.1INTRODUCTION....................................................................................................................................312.1.1NumberofLanesandPer-laneDataRate...................................................................................322.1.2NumberofMain,UncompressedVideoStreams..........................................................................322.1.3BasicFunctions............................................................................................................................322.1.4DisplayPortDeviceTypesandLinkTopology.............................................................................322.2ISOCHRONOUSTRANSPORTSERVICES........................