eDPv1_2spec

VESAEmbeddedDisplayPortStandardMEMBERUSEONLY.DISTRIBUTIONTONON-MEMBERSISPROHIBITEDVersion1.2©Copyright2008-2010VideoElectronicsStandardsAssociationPage1of53eDPTMStandard39899BalentineDrive,Suite125Phone:[phone]Newark,CA94560Fax:[phone]URL:(internal)andexternal(box-to-box)applications.WhiletheDisplayPortStandarddoesreferenceembeddedapplications,itisprimarilyorientedtowardexternalapplicationswithemphasisoninteroperabilitybetweensystemvendorsandinterconnectcables.ThisspecificationdefinesafeaturesetofanembeddedversionoftheDisplayPortstandardforapplicationsincludingbutnotlimitedtonotebookPCsandall-in-onePCs.VESAEmbeddedDisplayPortStandardMEMBERUSEONLY.DISTRIBUTIONTONON-MEMBERSISPROHIBITEDVersion1.2©Copyright2008-2010VideoElectronicsStandardsAssociationPage2of53TableofContentsPurpose.................................................................................................................................................................1 Summary..............................................................................................................................................................1 Preface..................................................................................................................................................................5 Acknowledgements..............................................................................................................................................7 RevisionHistory..................................................................................................................................................8 1 Overview.....................................................................................................................................................10 1.1 Background...........................................................................................................................................10 1.2 Acronyms..............................................................................................................................................11 1.3 Glossary................................................................................................................................................12 1.4 References.............................................................................................................................................13 2 eDPSystemArchitecture............................................................................................................................14 2.1 eDPSystemApplication.......................................................................................................................14 2.2 eDPSupportbySourceandSinkComponents.....................................................................................14 3 EmbeddedDisplayPortImplementation......................................................................................................15 3.1 Background...........................................................................................................................................15 3.2 eDPFeatureRequirementsandRecommendations..............................................................................15 3.3 NumberofMainLinkLanesvs.VideoModeSupport(Informative)..................................................17 3.4 eDPAUXLinkServices.......................................................................................................................19 3.5 SupportforDisplayAuthenticationandContentProtection................................................................29 3.6 PanelInputPower(LCDVCC).............................................................................................................36 3.7 MainStreamAttributeData..................................................................................................................37 3.8 DisplayBacklightControlUsingDPCDRegisters..............................................................................38 3.9 LCDPanelSelf-Test(Informative).......................................................................................................42 4 PowerSequencing.......................................................................................................................................44 5 eDPConnectorPinAssignments.................................................................................................................47 6 LabelingfortheeDPInterface...........................................................................