TEA685XUserManualDeviceversion/V102Rev.1.2—15April2014UserManualDocumentinformationInfoContentKeywordsTiger-2,TEA6850,TEA6851,TEA6852,TEA6853,/V102,firmware2.00,API,I²Cbus,control,carradioAbstractOverviewofTEA685XseriesdevicecontrolNXPSemiconductorsTEA685XUserManualTEA6850,TEA6851,TEA6852andTEA6853,/V102docAllinformationprovidedinthisdocumentissubjecttolegaldisclaimers.©NXPB.V.2014.Allrightsreserved.UserManualRev.1.2—15April20142of81ContactinformationFormoreinformation,pleasevisit::salesaddresses@nxp.comRevisionhistoryRevDateDescription‘Tiger-2’TEA6850,TEA6851,TEA6852andTEA6853,deviceversionV102,usermanualDescriptionoftheTEA685X/V102controlinterface(API)andrelatedinformation1.220140415ChangebarsindicatechangesfromV102usermanualRev.1.16.2.1,6.2.2,6.2.3updatedwithV102requiredinitializationp2.151.1201403246.2.1,6.2.2,6.2.3updatedwithV102requiredinitializationp2.141.0201403066.2.1,6.2.2,6.2.3updatedwithV102requiredinitializationp2.130.8201401293.21addednoteonana_out=23.32correctedtypenumbers4.2.3increasedallowedtimesusingRDSdatabuffer6.2.1,6.2.2,6.2.3updatedwithV102requiredinitializationp2.120.6201312106.2.1,6.2.2,6.2.3updatedwithV102requiredinitializationp2.100.5201311066.2.1,6.2.2,6.2.3updatedwithV102requiredinitializationp2.090.420131018InitialversionNXPSemiconductorsTEA685XUserManualTEA6850,TEA6851,TEA6852andTEA6853,/V102docAllinformationprovidedinthisdocumentissubjecttolegaldisclaimers.©NXPB.V.2014.Allrightsreserved.UserManualRev.1.2—15April20143of811.IntroductionTEA685X(‘Tiger-2’)isaseriesoflowcostsingle-chipcarradiodevices.Thedevicesareconsumerqualifiedandprimarilyintendedforaftersales(‘non-OEM’)marketuse.TheTiger-2seriesconsistsoffourvariantswithincreasingfunctionality;TEA6850,TEA6851,TEA6852andTEA6853.AllTiger-2variantsofferworldwidestandardFMbandreceptionaswellasAMLWandMWbandreception.InadditiontotheTEA6850featuresettheTEA6851,TEA6852andTEA6853offerFM-OIRTbandreceptionandFMenhancedmultipathsuppression(‘EMS’)forimprovedfieldperformance.OntopofthattheTEA6852andTEA6853includeRDS/RBDSdatareceptionandtheTEA6853additionallyoffersconnectivityandsupportfordigitalradiooperationaswellasAMSWbandreceptionupto27MHz.ThisusermanualdescribestheTEA685XseriescontrolinterfaceorAPI(ApplicationProgrammingInterface).Thedocumentdescribestheavailablewriteandreadcommandswithparameteranddatadefinitions.Thisdocumentversioncontainslimitedbackgroundinformationregardingthefeaturefunctionalityandtheofferedcontroloptionssosomegeneralknowledgeofcarradiofunctionsisrequired.ThisusermanualdescribesthefunctionalityandcontroloftheTEA685XdeviceversionV102specifically(TEA685X/V102).2.Controlinterface2.1OverviewTheTEA685XdevicesareequippedwithanI²Cbusinterfaceforcontrolofthedevice.Fullcontrolofthedevicefunctionsandfeaturesisavailableusingthissingleinterface.TheI²Cbussupportsbitratesofupto400kbit/sinaccordancewiththe‘fastmode’I²Cbusspecification.Thecontrolinterfaceisdescribedinthisdocumentonanabstract‘application’levelaswellasonI²Cprotocollevel.TheTEA685XinterfacedefinitioniscompatiblewiththeTEF668X(Lithio),theTEF665X(Atomic-2)andtheTEF701X(Sabre)seriesofdevices,althoughdifferinginavailablecommandsreflectingtheavailablefunctionality.FutureNXPcarradiodeviceswillemploythesameinterfaceallowingcompatiblecontrolbetweendevicetypes,versionsandvariants.ViatheI²Cbuscommandsandparameterscanbewrittentothedeviceandinformationcanbereadfromthedevice.TEA685Xcontrolisorganizedinmodules.Modulesareindependentfunctionalblocksthatcanberegardedsub-deviceswithinthedevice.NXPSemiconductorsTEA685XUserManualTEA6850,TEA6851,TEA6852andTEA6853,/V102docAllinformationprovidedinthisdocumentissubjecttolegaldisclaimers.©NXPB.V.2014.Allrightsreserved.UserManualRev.1.2—15April20144of81TheTEA685Xconsistsoffourmodules:module32:FM=FMradioreceptionmodule33:AM=LW,MWandSWradioreceptionmodule48:AUDIO=Audioprocessingmodule64:APPL=SystemandapplicationcontrolDifferentmodulescanbecontrolledindependentlyevenwhentheaddressedmoduleitselfisinactiveatthetimeofcontrol.Thismeansmodulescanbepreparedandinitializedbeforeuse.CompatiblecommanddefinitionshavebeenusedforthemodulesofFMandAMradiowhereapplicable.Defaultsandrangedefinitionsmaydifferinsomecasestofitthedifferentbandproperties.Modulecommandshaveoneormoreparametersforcontrolofthemodulebehaviorandoptionselections.Thecontrolisorganizedinsuchawaythatfuturedevicesmaysupportwritingofasingleparameteruptowritingofallparametersavailableforagivencommand.DeviceversionV102howeverdoesnotofferthisflexibilityandrequiresallcommandparametersdescribedinthisdocumenttobetransmitted.Fig1representstheTEA685Xcontrolinterfaceasseenfromthehostcontroller.HOSTuCradioI²CModule32=FMModule33=AMaudiogenericModule48=AUDIOmodule64=APPLFig1.I²Ccontrol–TEA685XNXPSemiconductorsTEA685XUserManualTEA6850,TEA6851,TEA6852andTEA6853,/V102docAllinformationprovidedinthisdocumentissubjecttolegaldisclaimers.©NXPB.V.2014.Allrightsreserved.UserManualRev.1.2—15April20145of81TEA685Xdevicevariantsarefullycontrolcompatible,altho