HDMI Transmitter/Receiver Support on …

1 (VPIF,McASP,GPIO,I2C)ApplicationReportSP RAAV4 May2008 ( hdmi ).Ageneraldescriptionisprovidedfora lltheDM6467internalperipheralswhicharere quiredinHDMI transmitting/receiving, ,SiI9134, :videoportinterface(VPIF),multichannelau dioserialport(McASP),general-purposeinpu t/output(GPIO),andinter-integratedcircui t(I2C). (720p,1080i,and1080-30p),aswellas8/10 (720p,1080i,and1080-30p).Formoredetailso nthefunctionalityofVPIF,seetheTMS320DM64 6xDMSoCVideoPortInterface(VPIF)User sGuide(SPRUER9). May2008 :transmitting/receivingintime-divisionmu ltiplexed(TDM),inter-integratedsound(I2S )mode,andtransmittingindigitalaudiointer facetransmit(DIT) ,orcompletelyindependentlywithseparatema sterclocks,bitclocks,framesyncs, (exceptreceivinginDITmode).

2 FormoredetailsonthefunctionalityofMcASP, seetheTMS320DM646xDMSoCMultichannelAudio SerialPort(McASP)User sGuide(SPRUER1). , , , ,seetheTMS320DM646xDMSoCGeneral-PurposeI nput/Output(GPIO)User sGuide(SPRUEQ8). , ,seetheTMS320DM646xDMSoCInter-Integrated Circuit(I2C)ModuleUser sGuide(SPRUER0). ,high-bandwidthdigitalcontentprotection( HDCP) ,anddigitalvideointerface(DVI) , Integratedtransitionminimizeddifferentia lsignaling(TMD)coreoperatingbetween25 225 MHzandresolutionupto1080P Flexiblevideointerfacesupport 24/30/36-bitRGB/YCbCr4:4:4 16/20/24-bitYCbCr4:2:2 8/10/12-bitYCbCr4:2:2( ) 12/15/18-bitdual-edgeclockinginput BTA-T1004videoinput Flexiblevideoformatconversion Flexibledigitalaudiointerfacesupport HighbitratecompressedDTSHDandDolbyTrueHD audio Dedicated4-port(8-channel)I2 Sinput Dedicated4-port(8-channel)DSDinputforsup eraudioCD(SACD) Dedicated1-portSony/Philipsdigitalinterc onnectformat(SPDIF)

3 Input IEC60958orIEC61937compatible MasterI2 CinterfaceforDDCconnectionandSlaveI2 Cinterfaceforcontrolfromexternalprocesso r IntegratedHDCP encryptionenginefortransmittingprotected audioandvideocontent Monitordetectionsupportedthroughhotpluga ndreceiverdetection Programmabledataenablegeneratorandsyncex tractionHDMIT ransmitter/ReceiverSupportonTMS320DM6467 2 SPRAAV4 CTLINT Via GPIOSDASCLI2 CResetINTCSDACSCLDED[35:0]HSYNCVSYNCIDCK DCLKMCLKSCKWSSD[3:0]DL[3:0]DR[3:0]SPDIFV P_DOUT[15:0]VP_CLKO2 AHCLKX0 ACLKX0 AFSX0 AXR0[3:0]AXR0[0]VPIFMcASP0DM6467DM6467 EVMSil9134 DSDADSCLHPDTXC+TXC TX0+TX0 TX1+TX1 TX2+TX2 ESDP rotectionand ChokeLogic161519101279461313 hdmi , , , IntegratedTMDscoreoperatingbetween25 225 MHzandresolutionupto1080P Flexiblevideointerfacesupport 36-bitRGB/YCbCr4:4:4 16/20/24-bitYCbCr4:2:2 8/10/12-bitYCbCr4:2.

4 2( ) 12/15/18-bitdual-edgeclockingoutput Flexiblevideoformatconversion Flexibledigitalaudiointerfacesupport HighbitratecompressedDTSHDandDolbyTrueHD audio Shared4-port(8-channel)I2 Sinput Shared3-port(6-channel)DSDinputforSACD Shared1-portSPDIF input IEC60958orIEC61937compatible SlaveI2 CinterfaceforDDCconnectionandSlaveI2 Cinterfaceforcontrolfromexternalprocesso r :theDM6467evaluationmodule(EVM)(DM6467 DMSoC),theSiI9134deepcolortransmitter, May2008 SignalconnectionbetweenDM6467 EVM(DM6467 DMSoC)andSiI9134 Audio 4-portI2S:AHCLKX0 MCLK,ACLKX0 SCK,AFSX0 WS,andAXR0[3:0] SD[3:0] 1-portSPDIF:AHCLKX0 MCLKandAXR0[0] SPDIF 4-portDSD(notsupportedbyDM6467):DCLK,DL[ 3:0],andDR[3:0]needtobeproperlyterminate d Video CLK:VP_CLKO2 IDCK Data Y/C4:2:2:(Y)VP_DOUT[7:0] D[23:16],(C)VP_DOUT[15:8] D[35:28] Y/C4:2:2muxed:(Y/C)VP_DOUT[15:8] D[23:16],D[35:28]notconnected VSYNC,HSYNC,DE(notsupportedbyDM6467):VSY NC,HSYNC,andDEneedtobeproperlyterminated I2 CControl(DM6467 Master,SiI9134 Slave) CLK:SCL CSCL Data.

5 SDA CSDA INT(interruptsignalfromSiI9134toDM6467vi aGPIO) SignalconnectionbetweenSiI9134andgeneric hdmi connector Threetransitionminimizeddifferentialsign aling(TMDS)pairdatachannel TX0+ Pin7,TX0- Pin9,TX1+ Pin4,TX1- Pin6,TX2+ Pin1,TX2- Pin3 OneTMDS pairclockchannel TXC+ Pin10,TXC- Pin12 I2 Ccontrolconnection(SiI9134 Master) DSDA Pin16,DSCL Pin15 HotPlugDetect(HPD) HPD Pin19 ConsumerElectronicsControl(CEC)currently unsupported Pin13needstobeproperlyterminated Additionalconnectionconsiderations Optionalelectrostaticdischarge(ESD)prote ctionandchokelogicsupport On-boardlogicorDM6467 GPIO controlledSiI9134 RESET signal SiI9134signalsthatneedtobeproperlytermin ated:CI2CA,EXT_SWING,power,andgroundsign alsTosummarize,thefollowingHDMI audioandvideooutputmodesaresupportedinth isapplicationnote: Audiooutputmodes (4-portI2S) 1-portSPDIF Videooutputmodes (720p,1080i,and1080-30p)4 HDMIT ransmitter/ReceiverSupportonTMS320DM6467 SPRAAV4 May2008 SubmitDocumentationFeedback3 HDMIR eceiverLogicOn-Board CTLINT Via GPIOSDASCLI2 CResetSCDTCSDACSCLDEQ[35:0]HSYNCVSYNCODC KMUTEOUTMCLKSCKWSSD[3:0]XTALINXTALOUTSPD IFVP_DIN[15:0]VP_CLKIN0 AHCLKR0 ACLKR0 AFSR0 AXR0[3.]

6 0]VPIFMcASP0DM6467DM6467 EVMSil9135 DSDA0 DSCL0R0XC+R0XC R0X0+R0X0 R0X1+R0X1 R0X2+R0X2 ESDP rotectionand ChokeLogic1615101279461313 hdmi Connector 0 INTEVNODDOSCDSDA1 DSCL1R1XC+R1XC R1X0+R1X0 R1X1+R1X1 R1X2+R1X2 ESDP rotectionand ChokeLogic1615101279461313 hdmi Connector :theDM6467 EVM(DM6467 DMSoC),theSiI9135receiver, SignalconnectionbetweenDM6467 EVM(DM6467 DMSoC)andSiI9135 Audio 4-portI2S:AHCLKR0 MCLK,ACLKR0 SCK,AFSR0 WS,andAXR0[3:0] SD[3:0] MUTEOUT(notsupportedbyDM6467):MUTEOUT needstobeproperlyterminated Video CLK:VP_CLKIN0 ODCK Data Y/C4:2:2:(Y)VP_DIN[7:0] D[23:16],(C)VP_DIN[15:8] D[35:28] Y/C4:2:2muxed:(Y/C)VP_DIN[15:8] D[23:16],D[35:28]notconnected VSYNC,HSYNC,DE,EVNODD(notsupportedbyDM64 67):VSYNC,HSYNC,DE,andEVNODD needtobeproperlyterminated I2 CControl(DM6467 Master,SiI9135 Slave) CLK:SCL CSCL Data:SDA CSDA INT(interruptsignalfromSiI9135toDM6467vi aGPIO) SCDT(activeHDMI videoindicatorfromSiI9135toDM6467viaGPIO )SPRAAV4 May2008 SignalconnectionbetweenSiI9135andgeneric hdmi connectors Threetransitionminimizeddifferentialsign aling(TMDS)pairdatachannel Toconnector0:R0X0+ Pin7,R0X0- Pin9,R0X1+ Pin4,R0X1- Pin6,R0X2+ Pin1,R0X2- Pin3 Toconnector1:R1X0+ Pin7,R1X0- Pin9,R1X1+ Pin4,R1X1- Pin6,R1X2+ Pin1,R1X2- Pin3 OneTMDS pairclockchannel Toconnector0:R0C+ Pin10,R0C- Pin12 Toconnector1.

7 R1C+ Pin10,R1C- Pin12 I2 Ccontrolconnection(SiI9135 Slave) Toconnector0:DSDA0 Pin16,DSCL0 Pin15 Toconnector1:DSDA1 Pin16,DSCL1 Pin15 Consumerelectronicscontrol(CEC)currently unsupported Pin13onbothconnectorsneedtobeproperlyter minated Additionalconnectionconsiderations OptionalESDprotectionandchokelogicsuppor t ExternaloscillatorconnectedbetweenXTALIN andXTALOUTforSiI9135 On-boardlogicorDM6467 GPIO controlledSiI9135 RESET signal SiI9135signalsthatneedtobeproperlytermin ated:CI2CA,R0 PWR5V,R1 PWR5V,power,andgroundsignals HotPlugDetect(HPD)signalfrombothHDMI connectors Pin19onbothconnectorsarefeddirectlyfromt oDM6467viaGPIOT osummarize,thefollowingHDMI audioandvideoinputmodesaresupportedinthi sapplicationnote.

8 Audioinputmodes (4-portI2S) Videoinputmodes (720p,1080i,and1080-30p) TMS320DM646xDMSoCMultichannelAudioSerial Port(McASP)User sGuide(SPRUER1) TMS320DM646xDMSoCVideoPortInterface(VPIF )User sGuide(SPRUER9) TMS320DM646xDMSoCGeneral-PurposeInput/Ou tput(GPIO)User sGuide(SPRUEQ8) TMS320DM646xDMSoCInter-IntegratedCircuit (I2C)ModuleUser sGuide(SPRUER0) SiI9134 HDMIDeepColorTransmitterDataSheet( ) SiI9135 HDMIR eceiverwithEnhancedAudioandDeepColorOutp utsDataSheet( )HDMIT ransmitter/ReceiverSupportonTMS320DM6467 6 SPRAAV4 May2008 SubmitDocumentationFeedbackIMPORTANTNOTI CET exasInstrumentsIncorporatedanditssubsidi aries(TI)reservetherighttomakecorrection s,modifications,enhancements,improvement s, , , ,eitherexpressorimplied,isgrantedunderan yTIpatentright,copyright,maskworkright,o rotherTIintellectualpropertyrightrelatin gtoanycombination,machine, , ,conditions,limitations, (suchaslifesupport)whereafailureoftheTIp roductwouldreasonablybeexpectedtocausese verepersonalinjuryordeath, ,andacknowledgeandagreethattheyaresolely responsibleforalllegal,regulatoryandsafe ty-relatedrequirementsconcerningtheirpro ductsandanyuseofTIproductsinsuchsafety-c riticalapplications, , "enhancedplastic.

9 " 'srisk, ,iftheyuseanynon-designatedproductsinaut omotiveapplications, :TexasInstruments,PostOfficeBox655303,Da llas,Texas75265 Copyright 2008,TexasInstrumentsIncorporat