ADV212BBCZRL-150中文资料

JPEG2000VideoCodecADV212Rev.0InformationfurnishedbyAnalogDevicesisbelievedtobeaccurateandreliable.However,noresponsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorotherrightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.NolicenseisgrantedbyimplicationorotherwiseunderanypatentorpatentrightsofAnalogDevices.Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.OneTechnologyWay,P.O.Box9106,Norwood,MA02062-9106,U.S.A.Tel:[phone]©2006AnalogDevices,Inc.Allrightsreserved.FEATURESCompletesingle-chipJPEG2000compressionanddecompressionsolutionforvideoandstillimagesIdenticalinpinoutandfootprinttotheADV202andsupportsallthefunctionalityoftheADV202Powerreductionofatleast30%comparedwithADV202JTAG/boundaryscansupportPatentedSURF®(spatialultraefficientrecursivefiltering)technologyenableslowpower,lowcostwavelet-basedcompressionSupportsboth9/7and5/3wavelettransformswithupto6levelsoftransformVideointerfacedirectlysupportingITU-RBT.656,SMPTE125MPAL/NTSC,SMPTE274M,SMPTE293M(525p),andITU-RBT.1358(625p),oranyvideoformatwithamaximuminputrateof65MSPSforirreversiblemodeor40MSPSforreversiblemodeProgrammabletile/imagesizewithwidthsupto4096pixelsinsingle-componentmode;maximumtile/imageheight:4096pixels2ormoreADV212scanbecombinedtosupportfull-frameSMPTE274MHDTV(1080i)orSMPTE296M(720p)Flexible,asynchronousSRAM-stylehostinterfaceallowsglue-lessconnectiontomost16-/32-bitmicrocontrollersandASICs2.5Vor3.3Vinput/outputand1.5Vcoresupply12mm×12mm,121-ballCSPBGAwithaspeedgradeof115MHz,or13mm×13mm,144-ballCSPBGAwithaspeedgradeof150MHzAPPLICATIONSNetworkedvideoandimagedistributionsystemsWirelessvideoandimagedistributionImagearchival/retrievalDigitalCCTVandsurveillancesystemsDigitalcinemasystemsProfessionalvideoeditingandrecordingDigitalstillcamerasDigitalcamcordersGENERALDESCRIPTIONTheADV212isasingle-chipJPEG2000codectargetedforvideoandhighbandwidthimagecompressionapplicationsthatcanbenefitfromtheenhancedqualityandfeaturesprovidedbytheJPEG2000(J2K)—ISO/IEC15444-1imagecompressionstandard.ThepartimplementsthecomputationallyintensiveoperationsoftheJPEG2000imagecompressionstandardandprovidesfullycompliantcode-streamgenerationformostapplications.ThededicatedvideoportoftheADV212providesgluelesscon-nectiontocommondigitalvideostandardssuchasITU-RBT.656,SMPTE125M,SMPTE293M(525p),ITU-RBT.1358(625p),SMPTE274M(1080i),orSMPTE296M(720p).Avarietyofotherhighspeed,synchronouspixelandvideoformatscanalsobesupportedbyusingtheprogrammableframingandvalidationsignals.TheADV212isanupgradeversionoftheADV202thatisidenticalinpinoutandfootprint.ItsupportsallthefunctionalityoftheADV202andhasthefollowingadditionaloptions:•JTAG/boundaryscansupport•Powerreductionofatleast30%comparedwiththeADV202FUNCTIONALBLOCKDIAGRAMPIXELI/FEXTERNALDMACTRLWAVELETENGINEINTERNALBUSANDDMAENGINEPIXELI/FEC1EC2EC3EMBEDDEDRISCPROCESSORSYSTEMRAMROMADV212CODEFIFOPIXELFIFOATTRFIFOHOSTI/F06389-001Figure1.ADV212Rev.0|Page2of44TABLEOFCONTENTSFeatures..............................................................................................1Applications.......................................................................................1GeneralDescription.........................................................................1RevisionHistory...............................................................................2JPEG2000FeatureSupport.........................................................3Specificatons......................................................................................4SupplyVoltagesandCurrent......................................................4Input/OutputSpecifications........................................................4ClockandRESETSpecifications................................................5NormalHostMode—WriteOperation.....................................6NormalHostMode—ReadOperation......................................7DREQ/DACKDMAMode—SingleFIFOWriteOperation..8DREQ/DACKDMAMode—SingleFIFOReadOperation.10ExternalDMAMode—FIFOWrite,BurstMode..................12ExternalDMAMode—FIFORead,BurstMode...................13StreamingMode(JDATA)—FIFORead/Write......................14VDATAModeTiming...............................................................15RawPixelModeTiming............................................................17JTAGTiming...............................................................................18AbsoluteMaximumRatings..........................................................19ThermalResistance....................................................................19ESDCaution................................................................................19PinConfigurationsandFunctionDescriptions.........................20TheoryofOperation......................................................................25WaveletEngine...........................................................................25EntropyCodecs...........................