RDA5891-datasheet

Copyright©RDAMicroelectronicsInc.2006.Allrightsarereserved.TheinformationcontainedhereinistheexclusivepropertyofRDAandshallnotbedistributed,reproduced,ordisclosedinwholeorinpartwithoutpriorwrittenpermissionofRDA.RDA5891RF&DEMODULATORFORCMMBRev.1.01GeneralDescriptionRDA5891integratedRFfront-endtunerandchanneldemodulatorinonechiptoservicechinamobilemultimediabroadcastsystem.RFfront-endtunersupportUbandTVreceivecapacitywhichintegratedallRFcomponentssuchasLNA,Mixer,RFPLL,andFilter.RDA5891integratesalldemodulatemodulesincludethememoryrequired,withlessexternalcomponentsneededinapplicationcircuit.Twosolutionsoffered,RDA5891withexternalUAMmodule,andRDA5891UintegratedUAMmoduleSIPonthesamepackage.1.1FeatureszCMOSsingle-chipfully-integratedRFfront-endtuneranddemodulatorzUbandofCMMBsupportedzCMMBstandardGY/T220fullcompatiblezSupportBPSK,QPSK,QAM16modulationzOn-chipLDPC,RSerrorcorrectionzThreechannelsoutputsimultaneouslyzIntegratedmemory,noexternalmemoryrequiredzBatterypowersupplydirectly,internalintegratedDC/DC,LDOzCrystalsupport,requiredonlyoneexternalcrystalzI2C,UART,SPI,controlanddatainterfacessupportzsupporttransparentornon-transparentstreamoutputzSIMinterfacesupportzLowpowerconsumptionzMinimumexternalcomponentz5*5mm40pinQFNpackage1.2ApplicationszMobilehandsetandsmartphonezPMPzPC,USBdongleGNDPADRDA589140Pins12345AVSS_LNAUHF_INTPNCAVSS_LNARF_TP67891011T1XREFXTALCFG0CFG112SDASCL14INT_N13151618171920AVDD_IOLDO_ONAVDD_ANADVDD_COREVBAT_2DCDC_CORE32313335343639384037T5SIM_CLKSIM_RSTVSIMDVDD_COREVBAT_1NCUART_RXNCUART_TX3029282726T4T3T2DVDD_CORERESETNSIM_DATA2524232221SPI_TXDSPI_CSSPI_CLKSPI_RXDFigure1.RDA5891TopViewRDAMicroelectronics,Inc.RDA5891DatasheetV1.0TheinformationcontainedhereinistheexclusivepropertyofRDAandshallnotbedistributed,reproduced,ordisclosedinwholeorinpartwithoutpriorwrittenpermissionofRDA.Page2of15TableofContents1GeneralDescription....................................................................................................................................11.1Features...............................................................................................................................................11.2Applications........................................................................................................................................1TableofContents.................................................................................................................................................22FunctionalDescription................................................................................................................................33Features........................................................................................................................................................44ElectricalCharacteristics...........................................................................................................................65RadioCharacteristics..................................................................................................................................76PinsDescription...........................................................................................................................................87ApplicationCircuit....................................................................................................................................128PackagePhysicalDimension....................................................................................................................139PCBLandPattern.....................................................................................................错误！未定义书签。ChangeList........................................................................................................................................................15RDAMicroelectronics,Inc.RDA5891DatasheetV1.0TheinformationcontainedhereinistheexclusivepropertyofRDAandshallnotbedistributed,reproduced,ordisclosedinwholeorinpartwithoutpriorwrittenpermissionofRDA.Page3of152FunctionalDescriptionFigure2.RDA5891BlockDiagramOn-chipRFfront-endtunercircuitreceiveCMMBUbandRFsignalanddown-converttobasebandsignal.CMMBchanneldemodulatordecoderthesignalfromRFfront-endtuner,andsavetoon-chipmemory,theninformexternalprocessor.Channeldemodulatorcomponentsincludesynchronization,FFT,bitdescramble,equalization,bitdemap,bitdeinterleaving,LDPCdecoder,bytedeinterleaving,reed-solomondecoder.PMUmoduleintergratedLDO,dc/dcconverter.Noexternalpowercomponentsneeded,onlybatterysupply.ARMcoreinchargeofthetimingofRFtuner,CMMBchannel,andcommunicationwiththebasebandchip.Multipleinterfacessupportedtoprovidecontrolanddatainterfacewithexternalprocessor.RDAMicroelectronics,Inc.RDA5891DatasheetV1.0TheinformationcontainedhereinistheexclusivepropertyofRDAandshallnotbedistributed,reproduced,ordisclosedinwholeorinpartwithoutpriorwrittenpermissionofRDA.Page4of153Features„RFfront♦Build-inUbandLNA,coverallCMMBfrequency:474Mhz~858Mhz♦NoexternalsawandRFswitchneeded♦Fu