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IPOD资料.pdf

IPOD资料

abcd2019_zaheq
2012-12-24 0人阅读 举报 0 0 暂无简介

简介:本文档为《IPOD资料pdf》,可适用于IT/计算机领域

Distribution:GGEC®AppleComputer,Inc®AppleComputer,IncRevisionPageofNOTICEOFPROPRIETARYPROPERTY:THEINFORMATIONCONTAINEDHEREINISTHEPROPRIETARYPROPERTYOFAPPLECOMPUTER,INCTHEPOSSESSORAGRESSTOTHEFOLLOWING:(I)TOMAINTAINTHISDOCUMENTINCONFIDENCE,(II)NOTTOREPRODUCEORCOPYIT,(III)NOTTOREVEALORPUBLISHITINWHOLEORINPART,(IV)ALLRIGHTSRESERVEDACCESSTOTHISDOCUMENTANDTHEINFORMATIONCONTAINEDTHEREINISGOVERNEDBYTHETERMSOFTHEIPODTECHNOLOGYEVALUATIONLICENSEAGREEMENTALLOTHERUSESHALLBEATAPPLE’SSOLEDISCRETIONRevisionHistoryRevisionRFAHistoryInitialDateNAInitialReleaseDJNNAAccessoryDetectResistorChangeDJNNARx,TxClarificationDJNNAAccessoryDetectResistorChangeDJNNACarChargerDetectaddedDJNNARemoteprotocolsaddedDJNNALicenseagreementDJNNAPicturetoshowRemoteDatalinesDJNNANewserial,addbottomserialSJBNAmAaccesspowernoteSJBNAMinorclarificationsJLDiPodOmniandAudioRemoteInterfaceSpecificationManufacturersreceivingAppleapprovedvendorstatusfortheirproductunderthispartnumber:YoumustnotchangeanymechanicalorelectricalparametersfromthosespecifiedinthisdocumentwithoutwrittenapprovalofAppleComputer,IncAlso,youmustnotchangeyourdesign,materialsormanufacturingprocesswithoutwrittenapprovalofAppleComputer,IncProposedchangesdeterminedbyAppletobesignificant,willrequirethemanufacturertosubmitnewsamplesandordataforreviewandapprovalpriortoproductshipmentstoAppleComputer,InciPodOmniandAudioRemoteInterfaceSpecification®AppleComputer,IncRevisionPageofNOTICEOFPROPRIETARYPROPERTY:THEINFORMATIONCONTAINEDHEREINISTHEPROPRIETARYPROPERTYOFAPPLECOMPUTER,INCTHEPOSSESSORAGRESSTOTHEFOLLOWING:(I)TOMAINTAINTHISDOCUMENTINCONFIDENCE,(II)NOTTOREPRODUCEORCOPYIT,(III)NOTTOREVEALORPUBLISHITINWHOLEORINPART,(IV)ALLRIGHTSRESERVEDACCESSTOTHISDOCUMENTANDTHEINFORMATIONCONTAINEDTHEREINISGOVERNEDBYTHETERMSOFTHEIPODTECHNOLOGYEVALUATIONLICENSEAGREEMENTALLOTHERUSESHALLBEATAPPLE’SSOLEDISCRETIONSCOPEThisdocumentspecifiesAppleComputer’srequirementsforboththeOmniandAudioRemoteconnectorstotheiPodThefeaturesdescribedinthisspecificationaresupportedbyversionsandoftheiPodfirmwareunlessotherwisenotedAPPLICABLEDOCUMENTSIEEEA(latestrevision)USBHighSpeed(latestrevision)GENERALREQUIREMENTSCONNECTORPINDESIGNATIONS:OMNI:JAEDDpinconnectorseriesPinSignalnameIOFunctionFWGNDIFirewireandchargergroundFWGNDIFirewireandchargergroundTPAIOFirewiresignalUSBDIOUSBsignalTPAIOFirewiresignalUSBDIOUSBsignalTPBIOFirewiresignalUSBPWRIUSBpowerinNOTforpoweringonlytodetectUSBhostTPBIOFirewiresignalAccessoryIdentifyIPulldownindocktonotifyiPodofspecificdeviceFWPWRIFirewireandchargerinputpower(vtovdc)FWPWRIFirewireandchargerinputpower(vtovdc)ACCESSORYPWR(V)OvoutputfromiPodCurrentlimitedtomAReservedUSBGNDGNDDigitalgroundiniPodDGNDGNDDigitalgroundiniPodReservedDockTxISerialprotocol(DataToiPod)DockRxOSerialprotocol(DataFromiPod)AccessoryDetectIOReservediPodOmniandAudioRemoteInterfaceSpecification®AppleComputer,IncRevisionPageofNOTICEOFPROPRIETARYPROPERTY:THEINFORMATIONCONTAINEDHEREINISTHEPROPRIETARYPROPERTYOFAPPLECOMPUTER,INCTHEPOSSESSORAGRESSTOTHEFOLLOWING:(I)TOMAINTAINTHISDOCUMENTINCONFIDENCE,(II)NOTTOREPRODUCEORCOPYIT,(III)NOTTOREVEALORPUBLISHITINWHOLEORINPART,(IV)ALLRIGHTSRESERVEDACCESSTOTHISDOCUMENTANDTHEINFORMATIONCONTAINEDTHEREINISGOVERNEDBYTHETERMSOFTHEIPODTECHNOLOGYEVALUATIONLICENSEAGREEMENTALLOTHERUSESHALLBEATAPPLE’SSOLEDISCRETIONReservedReservedReservedLINEINLILinelevelinputtotheiPodfortheleftchannelLINEINRILinelevelinputtotheiPodfortherightchannelLINEOUTLOLineleveloutputtotheiPodfortheleftchannelLINEOUTROLineleveloutputtotheiPodfortherightchannelAudioReturnGNDAudioreturn–Signal,nevertobegroundedinsideaccessoryDGNDGNDDigitalgroundiniPodChassisChassisgroundforconnectorshellChassisChassisgroundforconnectorshellAUDIOREMOTE:pinFoxconnAppleCustomPinSignalnameIOFunctionAudioOutLeftMonoMicInIOmWaudiooutleftchannel,alsodoublesasmonomicinHPDetectIInternalSwitchtodetectpluginsertionAudioReturnGNDAudioreturnforleftandrightaudioAudioOutRightOmWaudiooutrightchannelReservedAccessoryVOVAccessorypowermAmaxTxOSerialprotocol(DatafromiPodtoDevice)RxISerialprotocol(DatatoiPodfromDevice)DGNDGNDDigitalgroundforaccessoryyeseaInsertedTextyeseaNoteVideoOutCompositeVideo(foripodcolourwhenslideshowactivated)复合视频输出(只有彩屏的ipod有效)******iPodOmniandAudioRemoteInterfaceSpecification®AppleComputer,IncRevisionPageofNOTICEOFPROPRIETARYPROPERTY:THEINFORMATIONCONTAINEDHEREINISTHEPROPRIETARYPROPERTYOFAPPLECOMPUTER,INCTHEPOSSESSORAGRESSTOTHEFOLLOWING:(I)TOMAINTAINTHISDOCUMENTINCONFIDENCE,(II)NOTTOREPRODUCEORCOPYIT,(III)NOTTOREVEALORPUBLISHITINWHOLEORINPART,(IV)ALLRIGHTSRESERVEDACCESSTOTHISDOCUMENTANDTHEINFORMATIONCONTAINEDTHEREINISGOVERNEDBYTHETERMSOFTHEIPODTECHNOLOGYEVALUATIONLICENSEAGREEMENTALLOTHERUSESHALLBEATAPPLE’SSOLEDISCRETIONFUNCTIONALDESCRIPTIONDevicesshallbeinspectedbytheiPodengineeringteamtoassurecompliancetotherequirementasdefinedinthisspecificationOmniConnectorFunctionalDescription:FireWirePower:a)V–VDCINb)WMaxFireWire:a)DesignedtoIEEEASpec(Mbs)b)NoteDigitaltwistedpairofwiresneedtobereversedperIEEEAspec,pleaserefertobelowPtoFireWirecablediagram:USB:a)DesignedtoUSBHighSpeedSpecb)USBPower(pinonthepinconnector)isnotusedforpoweringdeviceonlyusedtodetectaUSBhostconnectionAccessoryVPower:a)VmAmaxpowerallowedb)Note–mAmaxsharedbetweenOmniAudioRemoteconnectorsc)Note–mAMAXcurrentdefault,properSWaccessorydetectwillturnonsupplytoallowmAd)GroundedthroughFWGNDe)ReferenceSchematicDiagrambelow:iPodOmniandAudioRemoteInterfaceSpecification®AppleComputer,IncRevisionPageofNOTICEOFPROPRIETARYPROPERTY:THEINFORMATIONCONTAINEDHEREINISTHEPROPRIETARYPROPERTYOFAPPLECOMPUTER,INCTHEPOSSESSORAGRESSTOTHEFOLLOWING:(I)TOMAINTAINTHISDOCUMENTINCONFIDENCE,(II)NOTTOREPRODUCEORCOPYIT,(III)NOTTOREVEALORPUBLISHITINWHOLEORINPART,(IV)ALLRIGHTSRESERVEDACCESSTOTHISDOCUMENTANDTHEINFORMATIONCONTAINEDTHEREINISGOVERNEDBYTHETERMSOFTHEIPODTECHNOLOGYEVALUATIONLICENSEAGREEMENTALLOTHERUSESHALLBEATAPPLE’SSOLEDISCRETIONAccessoryDetectIdentify:a)AsimpleresistortogroundallowstheiPodtodeterminewhathasbeenpluggedintoOmniconnectorThereisaninternalpulluponAccessoryIdentifyb)Twopinsrequired(AccessoryIdentifyAccessoryDetect)c)ReferenceSchematicDiagrambelow:iPodOmniandAudioRemoteInterfaceSpecification®AppleComputer,IncRevisionPageofNOTICEOFPROPRIETARYPROPERTY:THEINFORMATIONCONTAINEDHEREINISTHEPROPRIETARYPROPERTYOFAPPLECOMPUTER,INCTHEPOSSESSORAGRESSTOTHEFOLLOWING:(I)TOMAINTAINTHISDOCUMENTINCONFIDENCE,(II)NOTTOREPRODUCEORCOPYIT,(III)NOTTOREVEALORPUBLISHITINWHOLEORINPART,(IV)ALLRIGHTSRESERVEDACCESSTOTHISDOCUMENTANDTHEINFORMATIONCONTAINEDTHEREINISGOVERNEDBYTHETERMSOFTHEIPODTECHNOLOGYEVALUATIONLICENSEAGREEMENTALLOTHERUSESHALLBEATAPPLE’SSOLEDISCRETIONd)BelowaretheSpecifiedResistorvaluesforknownaccessories:AccessoryIdentifyResistorscalculationsInternalpullup(k):Internalpullup(k):ADRANGEnominalvalueforchooseaFUNCTION:MINTYPMAXPulldownresistor(K):pulldownresistor(K):SimpleDockReservedDiagDockBatteryPackUARTDockCarChargerunusableSerialProtocolCommunication:a)TwopinsusedtocommunicatetoandfromiPod(RxTx)b)InputOutput(V=LowV=High)c)AdevicewithakΩidentityresistor(ID#)isaserialdockaccessoryThesedevicesusethestandardserialprotocolbutonlythroughthebottomOmniconnectorAttachingaserialdockaccessorymakesanytopattached(AudioRemote)accessoriesinactived)PleasenotethattheserialprotocolisforreferenceonlyAlldevicesandprotocolsmustbecheckedandapprovedbyiPodengineeringLineLevelInput(LeftRight):a)Stereoaudioinputb)InputLevelVRMS(max)iPodOmniandAudioRemoteInterfaceSpecification®AppleComputer,IncRevisionPageofNOTICEOFPROPRIETARYPROPERTY:THEINFORMATIONCONTAINEDHEREINISTHEPROPRIETARYPROPERTYOFAPPLECOMPUTER,INCTHEPOSSESSORAGRESSTOTHEFOLLOWING:(I)TOMAINTAINTHISDOCUMENTINCONFIDENCE,(II)NOTTOREPRODUCEORCOPYIT,(III)NOTTOREVEALORPUBLISHITINWHOLEORINPART,(IV)ALLRIGHTSRESERVEDACCESSTOTHISDOCUMENTANDTHEINFORMATIONCONTAINEDTHEREINISGOVERNEDBYTHETERMSOFTHEIPODTECHNOLOGYEVALUATIONLICENSEAGREEMENTALLOTHERUSESHALLBEATAPPLE’SSOLEDISCRETIONc)AudioReturn:NOTaground–treatitasasignalLeftandrightaudioarereferencedtoAudioReturnLineLevelOutput(LeftRight):a)Stereoaudiooutputdoesnothavevolumecontrolandisnotadjustedbydeviceb)OutputlevelVRMS(max)c)AudioReturn:NOTaground–treatitasasignalLeftandrightaudioarereferencedtoAudioReturnOverallGroundingRequirements:a)Chassisgroundistiedtospecifiedpinsb)DigitalgroundshouldnotbetiedtoAudioReturnAudioRemoteFunctionalDescription:AudioOut:a)StereoOutput~mWperchannelvolumecontrolledbydevice(whendrivenintoaΩload)MonoMicIn(dependingonthemicelementapreampmayberequired):a)MonomicinthroughLeftchannelb)Filteredelectretpowersuppliedbyinternaldevicec)Referenceschematicbelow:AccessoryVPower(sameasOmniconnector):a)VmAmaxpowerallowedb)Note–mAmaxsharedbetweenOmniAudioRemoteconnectorsc)Note–mA,maxcurrentisthedefaultpropersoftwareaccessorydetectwillturnonsupplytoallowmAd)GroundedthroughDGNDe)ReferenceSchematicDiagrambelow:iPodOmniandAudioRemoteInterfaceSpecification®AppleComputer,IncRevisionPageofNOTICEOFPROPRIETARYPROPERTY:THEINFORMATIONCONTAINEDHEREINISTHEPROPRIETARYPROPERTYOFAPPLECOMPUTER,INCTHEPOSSESSORAGRESSTOTHEFOLLOWING:(I)TOMAINTAINTHISDOCUMENTINCONFIDENCE,(II)NOTTOREPRODUCEORCOPYIT,(III)NOTTOREVEALORPUBLISHITINWHOLEORINPART,(IV)ALLRIGHTSRESERVEDACCESSTOTHISDOCUMENTANDTHEINFORMATIONCONTAINEDTHEREINISGOVERNEDBYTHETERMSOFTHEIPODTECHNOLOGYEVALUATIONLICENSEAGREEMENTALLOTHERUSESHALLBEATAPPLE’SSOLEDISCRETIONSerialProtocolCommunication:a)TwopinsusedtocommunicatetoandfromiPod(RxTx)b)InputOutput(V=Low,V=High)c)AdevicewithakΩidentityresistor(ID#)isaserialdockaccessoryThesedevicesusethestandardserialprotocolbutonlythroughthebottomOmniconnectorAttachingaserialdockaccessorymakesanytopattached(AudioRemote)accessoriesinactived)PleasenotethattheserialprotocolisforreferenceonlyAlldevicesandprotocolsmustbecheckedandapprovedbyiPodengineeringiPodOmniandAudioRemoteInterfaceSpecification®AppleComputer,IncRevisionPageofNOTICEOFPROPRIETARYPROPERTY:THEINFORMATIONCONTAINEDHEREINISTHEPROPRIETARYPROPERTYOFAPPLECOMPUTER,INCTHEPOSSESSORAGRESSTOTHEFOLLOWING:(I)TOMAINTAINTHISDOCUMENTINCONFIDENCE,(II)NOTTOREPRODUCEORCOPYIT,(III)NOTTOREVEALORPUBLISHITINWHOLEORINPART,(IV)ALLRIGHTSRESERVEDACCESSTOTHISDOCUMENTANDTHEINFORMATIONCONTAINEDTHEREINISGOVERNEDBYTHETERMSOFTHEIPODTECHNOLOGYEVALUATIONLICENSEAGREEMENTALLOTHERUSESHALLBEATAPPLE’SSOLEDISCRETIONSERIALPROTOCOLThisisthespecificationfortheiPodsoftwareimplementationInpresoftwarenothingrelatedtoRFTransmitters(lingox)issupportedApplemustapproveeveryaccessorybeforerelease,inparttoverifycorrectoperationProtocolGeneralitiesTheprotocolbuildsupontheRSserialspecificationHowever,thesignalinglevelsarenonstandardIntrueRS,amarkis–VandaspaceisVInthisprotocol,amarkisVandaspaceisVThesignalingrateforthisprotocolis,bpsAllsignalingisatbitsdata,noparityandonestopbit(N)ThisprotocolistobeusedinbothdirectionsofalinkEverydeviceisencouragedtoimplementbothsendingandreceivingcapabilitiesItshouldbepossibletodeterminethedirection(hosttodeviceordevicetohost)ofapacketfromitscontentsonlyThismeansthatnopacketisvalidforsendingfromboththehostanddeviceAlldevicesmustbeabletohandlevariablelengthpacketsForexample,eventhoughanidentifypacketcurrentlyhasnodefineddata,adevicemustbeabletounderstandanidentifypacketwithdataandshouldrespondtothebestofitsabilityItmustatleastnotlosesynctothepacketsignalingExtrapacketsignalingUponpowerupadeviceshouldwaitmsandthensendasyncbyte(seebelow)ItshouldthenwaitmsmoreandthenidentifyitselfUponreceiptofabreaksignalthedeviceshouldceasetransmittingforthedurationofthebreakItisrecommendedthatadeviceshouldresetitselfuponreceiptofthisbreakThedeviceshouldreidentifyitselfusingthesamesequenceabove(ms,sync,ms,ID)AdevicemustalsoreidentifyitselfifarequestidentifycommandisreceivedNeitherendoftheprotocolshoulddelayformorethanmsinthemiddleofapacketiPodOmniandAudioRemoteInterfaceSpecification®AppleComputer,IncRevisionPageofNOTICEOFPROPRIETARYPROPERTY:THEINFORMATIONCONTAINEDHEREINISTHEPROPRIETARYPROPERTYOFAPPLECOMPUTER,INCTHEPOSSESSORAGRESSTOTHEFOLLOWING:(I)TOMAINTAINTHISDOCUMENTINCONFIDENCE,(II)NOTTOREPRODUCEORCOPYIT,(III)NOTTOREVEALORPUBLISHITINWHOLEORINPART,(IV)ALLRIGHTSRESERVEDACCESSTOTHISDOCUMENTANDTHEINFORMATIONCONTAINEDTHEREINISGOVERNEDBYTHETERMSOFTHEIPODTECHNOLOGYEVALUATIONLICENSEAGREEMENTALLOTHERUSESHALLBEATAPPLE’SSOLEDISCRETIONPacketformatBytenumberValueMeaningxxFFSyncbytex(SOP)x(‘U’)PacketstartbytexxxPacketpayloadlengthxxxLingoIDxxxCommandIDx…xxCommanddata(last)(EOP)xxPacketpayloadchecksumNotethattheCommandIDandcommanddataformatforpacketswithasyetunspecifiedLingosmaynotfollowthepacketpayloadformat(CommandID,Commanddata)indicatedhereAlsonotethatpacketpayloadlengthxisreservedforlongerpacketsThepacketformatforlongerpacketsisasbelowBytenumberValueMeaningxxFFSyncbytex(SOP)x(‘U’)PacketstartbytexxPacketpayloadlengthmarkerxxxHighbyteofpacketpayloadlengthxxxLowbyteofpacketpayloadlengthxxxLingoIDxxxCommandIDx…xxCommanddata(last)(EOP)xxPacketpayloadchecksumThisshouldbeusedforpacketsof(x)bytesorlonger(packetpayloadlength)TheselongerpacketsarenotunderstoodbeforeiPodSoftwareAssuch,itshouldbeavoidedwheneverpossible,especiallyinGeneralorSimpleRemotelingosThesyncbyteisnotconsideredpartofthepacketItissentmerelytofacilitatebaudratecorrectionsThepacketpayloadlengthisthenumberofbytesinthepacketnotincludingthesyncbyte,packetstartbyte,packetpayloadlengthbyte,orpacketpayloadchecksumThatis,itisthelengthoftheCommandIDplustheCommanddataNotethatinalltablesbelowthedatalengthdoesnotcounttheCommandIDThusthepacketpayloaddatalengthforarequestidentifywouldbexTheLingoIDspecifiesthebroadcategorythiscommunicationfallsunderThecommandIDisamorespecificindicationofthesignificanceofthepacketiPodOmniandAudioRemoteInterfaceSpecification®AppleComputer,IncRevisionPageofNOTICEOFPROPRIETARYPROPERTY:THEINFORMATIONCONTAINEDHEREINISTHEPROPRIETARYPROPERTYOFAPPLECOMPUTER,INCTHEPOSSESSORAGRESSTOTHEFOLLOWING:(I)TOMAINTAINTHISDOCUMENTINCONFIDENCE,(II)NOTTOREPRODUCEORCOPYIT,(III)NOTTOREVEALORPUBLISHITINWHOLEORINPART,(IV)ALLRIGHTSRESERVEDACCESSTOTHISDOCUMENTANDTHEINFORMATIONCONTAINEDTHEREINISGOVERNEDBYTHETERMSOFTHEIPODTECHNOLOGYEVALUATIONLICENSEAGREEMENTALLOTHERUSESHALLBEATAPPLE’SSOLEDISCRETIONThesumofallthebytesfromthepacketpayloadlength(marker,ifapplicable)throughthepacketpayloadchecksumisThechecksumshouldbecalculatedappropriatelyLingospecificationsLingoIDGeneralxMicrophonexSimpleRemotexDisplayRemotexRFtransmitterxThegenerallingoissharedforhousekeepingcommandsacrossalldevicesThemicrophonelingoisusedbythemonoAudioRemoteconnectorontheiPodThesimpleremotelingoisusedbyApple’sstandardinlineremotecontrol(PA)ThedisplayremotelingoisreservedforadevicewithsimilarfunctionalitytothePAremotebutwithadisplayforstatusGenerallingospecificationCommandIDDatalengthRequestidentifyxxIdentifyxxThehostmaysendarequestidentifytothedevicetoaskthedevicetoreidentifyitselfThereisnocurrentlydefinedrequestidentifydataThedevicesendsanidentifypackettoidentifyitselfAtthistimemultifunction(combo)devicesarenotsupportedTheidentifydatapayloadisthusthecommandIDxfollowedbyasinglebyteofthesamevalueasthesameasthelingospecificationofthefunctionalitythedeviceimplementsunlessspecifiedotherwiseTheidentifypacketreturnedinresponsetoarequestidentifypacketdoesnotneedtohavetheextrasyncbytesanddelaysusedduringthestartupprocessSimpleRemotelingospecificationCommandIDDatalengthButtonsstatusxxAsimpleremotedevicesendsabuttonsstatuscommandtoindicateanupdatedstatusofwhichbuttonsarehelddownThedataofthepacketisanumberof

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