CH7034B-Fulll-Datasheet-Rev1.21

CH7034BFulldatasheet201-1000-025Rev1.2105/11/20121ChrontelCH7034BHDTV/VGA/LVDSEncoderFEATURESGENERALDESCRIPTIONS•Supportsmultipleoutputdisplayformats–includingComponentYPrPb(HDTV),LVDSandanalogRGB(VGA)•Three10-bithighspeedDACs•HDTVoutputsupportupto1080p•AnalogRGB(VGA)supportupto1920x1080resolution•SinglechannelLVDS18-bittransmittersupportsinputresolutionupto1366x768•SupportscaledandbypassedvideostreamsoutputfromVGA/HDTVandLVDSinterfacessimultaneously•Supportspanelprotection,powersequencingandbacklighton/off.PWMisavailableforcontrollingLCDbrightness•TV/Monitorconnectiondetectcapability.DACscanbeswitchedoffthroughprogramminginternalregisters•On-chipSDRAMframebuffertosupportframerateconversion.•Programmableadaptivede-flickeringfilter•Supports8/12/16/18/24-bitparallelinterfaceinputsforeitherRGBformatorYCbCrformat(ITU-R656orITU-R601).80/86MPUinterfaceandDEonlymodearealsosupported.•Widerangeofinputresolutionssupportforupto1366x768(i.e.640x480720x480,720x576,800x600,1024x600,1024x768,1280x800,andetc.)•Imagedisplayrotationsupportat90/180/270degreeorflippedinhorizontal/verticalposition•Pixel-levelcolorenhancementforbrightness,contrast,hueandsaturationadjustmentforHDTV•Horizontal/verticalpositionadjustedthroughserialportprogramming•Pixelclockinputfrequencysupportforupto165MHz•Flexiblecrystaloroscillatorclockinputfrequency(2.3MHz–64MHz)•IOSupplyVoltagesfrom1.2Vto3.3VandSPC/SPDSupplyVoltagesfrom1.8Vto3.3V.•Programmablepowermanagement•DevicefullyprogrammablethroughserialportorcanautomaticallyloadfirmwarefromChrontelBootROM(CH9904)•Offeredina88-pinQFNpackageChrontelCH7034BisspecificallydesignedforaportablesystemthatrequiresconnectionstoLCDdisplay,HighDefinitionTelevision(HDTV)orRGB(VGA)monitor.Withitsadvancedvideoencoder,flexiblescalingengineandeasy-to-configurevideointerface,theCH7034Bsatisfiesmanufactures’productdisplayrequirementsandreducestheircostsofdevelopmentandtime-to-market.TheCH7034BprovidesanalogRGBandYPrPboutputsthatallowasystemtodisplayhighdefinitionmediacontenttoHDTV/RGBmonitors.ThedeviceiscompliantwithEIA770-3andSMPTE274M/293M/296MstandardsandsupportsHDTVresolutionupto1080p.The3high-performance,10-bitDACscanbeusedforeitherHDTVdisplayorVGAoutput.TheCH7034BhastheabilitytogeneratecompositesyncsifrequiredbytheRGBmonitor.TosupportportablecomputerwithLCDdisplay,theCH7034Bhasincorporatedanone-channel,18-bitoutputLVDStransmitter.On-chipditheringfunctionisavailabletoconvert24-bitcolorto18-bitcolorLCDpanels.TwopopularLVDSstandards,theOpenLDIandtheVESASPWGaresupportedbytheCH7034BLVDSdriver.Thepreferredstandardanditsdisplaytimingcanbeconfiguredthroughdevices’registerswhensystemispoweredon.TheCH7034BisequippedwithpanelprotectionmechanismtoswitchofftheLCDinstantlyifinputdataismissingorunstable.Thepanelon/offsequencesandbacklightcontrolcanbeconfiguredthroughprogramminginternalregisters.Inaddition,abuilt-inPWMfunctioncanbeusedtoachievedigitaldimmingforLCDpanel.TheCH7034BconvertsawiderangeofinputformatstoHDTV/VGAoutputsandLVDSdisplay.RGBdataformatsuchas16-bit5:6:5,18-bit6:6:6or24-bit8:8:8entersthroughthedevice’s24-bitbus.InYCrCbformat,either24-bit4:4:4dataor16-bit4:2:2issupportedbytheCH7034B’scolorspaceconverter.Thedevice’svideocaptureblockalsohasanoptiontosupport80/86MPUinterface.Theinputvideosignalcanbeeitherinterlacedornon-interlaceddataformats.WithitsembeddedhighspeedSDRAM,theCH7034BcanhelpmanufacturesdesigntheirproductstoachievesimultaneousLVDSandHDTV/VGAdisplay.Thankstothesophisticatedscaler,theinputLCDdatawithlowCHRONTELCH7034B2201-1000-025Rev1.2105/11/2012APPLICATION•MobileInternetDevices•Smartbook/ElectronicBook•TabletDevice•PortableDVDPlayers•DockingStationresolutionorreduced-frameratecanbecoverttohighqualityHDTVorVGAdisplaywithoutextraloadingontheprocessor.Also,bytakingtheadvantageoftheframebuffer,thescalercanperformotherimagemanipulationsincludingresizingandrotation.CHRONTELCH7034B201-1000-025Rev1.2105/11/20123InputformatdecoderCSCScalerSDRAMLVDSencoder/DitherDifferentialserializerRegistersSPCSPDLLC*/LLCLDC0*/LDC0LDC1*/LDC1LDC2*/LDC2DACDAC0DAC1DAC2MCUSPCMSPDMRGB/YCbCr80/86MPUinterfaceD[23:0]D[23:0]DDC_SCDDC_SDVideoFormatFigure1:FunctionalBlockDiagramCHRONTELCH7034B4201-1000-025Rev1.2105/11/2012TABLEOFCONTENTSFEATURES.......................................................................................................................................1GENERALDESCRIPTIONS...............................................................................................................1APPLICATION..................................................................................................................................21.0PIN-OUT................................................................................................................................61.1PackageDiagram...........................................................................................................................................61.2PinDescription........................................................................................