GV7601-SDI解码芯片DATASHEET

1of147Proprietary&ConfidentialGV7601Aviia™ReceiverDataSheet52155-4August2009GV7601Aviia™ReceiverDataSheet•Serialdigitalvideoreceiverforstandardandhighdefinitioncomponentvideo:•SD525iand625i•HD720p24,25,30,50and60•HD1080i50,60•HD1080p24,25,30,50and60•Supports8-bit,10-bitor12-bitcomponentdigitalvideo:•RGBorYCbCr4:4:4sampled•YCbCr4:2:2or4:2:0sampled•Integratedcableequalizerforlongreachcableperformance•230mtypicalHDperformanceoverhigh-quality75Ωcoaxialcable(Belden1694Aorequivalent)•160mtypicalHDperformanceoverRG59orequivalent75Ωcoaxialcable•Serialdigitalloop-thoughoutput•Integratedaudiode-embedderfortheextractionofupto8channelsof48kHzdigitalaudio•SupportsIEC13818-1complianttransportstreamsovertheAsynchronousSerialInterface(ASI)•AutomaticselectionbetweenSD/HDcomponentvideoandASIinputdata•Ancillary(ANC)datadetectionandextraction•Userselectableprocessingfeatures,including:•TimingReferenceSignal(TRS)errordetectionandcorrection•ANCdatachecksumerrordetectionandcorrection•ProgrammableANCdatadetection•LinenumberandCRCerrordetectionandcorrection•Illegalvideocodewordre-mapping•4-wireGennumSerialPeripheralInterface(GSPI)forexternalhostcommandandcontrol•JTAGtestinterface•1.2Vcoreand3.3Vanalogvoltagepowersupplies•1.8Vor3.3VselectabledigitalI/Opowersupply•Smallfootprint100-BGA(11mmx11mm)•Lowpoweroperation,typically570mWatHD•Pb-freeandRoHScompliantApplications•Digitalvideorecorders(DVR)•Videoservers•Videomixersandswitchers•Imagecapturedevices•Videoframegrabbers•Camcorders•Videomonitors&displaysDescriptionTheGV7601isaserialdigitalvideoreceiverforstandardandhighdefinitioncomponentvideo,operatingat270Mb/s,1.485Gb/sand2.97Gb/sdatarates.Withintegratedcableequalizertechnology,theGV7601iscapableofreceivingdigitalvideoover75Ωcoaxialcableatlengthsupto460mforstandarddefinitionvideo,andupto230mforhighdefinition.Thisprovidesacompletereceivesolutionforthetransmissionofbothinterlacedandprogressivecomponentdigitalvideo,upto1920x1080,incoaxialcable-basedvideosystems.UsingtheGV7601withthecompleteAviia™receiverreferencedesign,itispossibletoimplementanall-digital,bi-directionalmultimediainterfaceovercoax.ThisinterfaceallowsbothDCpowerandabi-directional,half-duplex,auxiliarydatainterfacetobecarriedoverthesamesingle,robustandcosteffectivecoaxialcableasthehigh-speedserialdigitalvideo.TheGV7601alsoprovidesare-timedserialdigitaloutputforvideoloop-throughapplications.TheGV7601includesabroadrangeofuser-selectableprocessingfeatures,suchasTimingReferenceSignal(TRS)errordetectionandextraction,illegalcodewordre-mapping,andancillarydatapacketextraction.Thecontentofancillarydatapackets,embeddedbyanAviiatransmitter,canbeextractedandretrievedviathehostinterface.DeviceconfigurationandstatusreportingisaccomplishedviatheGennumSerialPeripheralInterface(GSPI).Alternatively,manyprocessingfeaturesandGV7601Aviia™ReceiverDataSheet52155-4August20092of147Proprietary&Confidentialoperationalmodescanbeconfigureddirectlythroughexternalpinsettings.Thedevicecanoutputboth8-bit,10-bitand12-bitvideodata,forRGBorYCbCr4:4:4,andYCbCr4:2:2or4:2:0.Aconfigurable20-bitwideparalleldigitalvideooutputbusisprovided,withassociatedpixelclockandtimingsignaloutputs.TheGV7601supportsITU-RBT.656SDformats,andHDformatsconformingtoITU-RBT.709andBT.1120-6for1125-lineformats,andSMPTE296Mfor750-lineformats.ThedevicemayalsobeconfiguredtooutputCEA-861timing.TheGV7601audiode-embeddingfunctionallowstheupto8channelsofserialdigitalaudiowithintheancillarydataspaceofthevideodatastreamtobeextracted.TheaudiooutputsignalformatssupportedbythedeviceincludeAES/EBUforprofessionalapplications,S/PDIF,andI2S.16-bit,20-bitand24-bitaudioformatsaresupportedat48kHzsynchronous-to-videoforSDvideoformatsand48kHzsynchronousorasynchronousforHDformats.Additionalaudioprocessingfeaturesinclude:individualchannelextraction,audiogroupselection,groupreplacement,channelswappingandaudiochannelstatusextraction.TheGV7601alsosupportsanAsynchronousSerialInterface(ASI)270Mb/sinput,carryingcompressedaudioandvideotransportstreams,conformingtoIEC13818-1.Transportstreamdataisoutputfromthedeviceatasynchronous27MHzclockrate.Thedevicewillautomaticallydeserializeand8b/10bdecodethedata.Packagedinaspacesaving100-BGA,theGV7601isidealfordesignswherehigh-densitycomponentplacementisrequired.Typicallyrequiringonly570mWpower,thedevicecanbeusedasahighbandwidthalternativetoanalogcompositeorcomponentvideointerfaces,providingahighquality,all-digital,longreachvideoreceivesolution.FigureA:GV7601BlockDiagramSDISDIVideo/DataBufferHostInterface&JTAGTestSDOSDO_ENRECLK_ENMCLKACLKWCLKAOUT1/2I/OControlPCLKAGCAGCSDOEQ_GNDEQ_VDDLB_CONTVBGLFXTAL2XTAL1XTAL_OUT656_BYPASSASIAUDIO_ENPROC_EN861_EN20BIT/10BITAOUT3/4AOUT5/6AOUT7/8DOUT[19:0]STAT[5:0]YANC/CANCERRORRATE_DET[1:0]F/DEV/VSYNCH/HSYNCLOCKEDErrorDetection,ANCDataExtractionTRS,LineNumber,CRCandEDHInsertionAudioDe-embedderandAudioClockGenerationASISyncDetect,WordAlignment&8b/10bDecodeSerialVideoDescrambler,WordAlignment&FlywheelCrystalBuffer/OscillatorSerialtoParallelConversionDataRe-timerCableEqual