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iphone接口定义英文版的：ThisconnectorisusedoniPod(startingfrom3rdgeneration)andiPhone.ItisusedtoconnecttheiPodoriPhonetovariousdevices:PC(viaUSBorFireWireIEEE1394),audioamplifier,serialdevice(controlledviatheAppleAccessoryProtocol).PinSignalDescription1GNDGround(-),internalyconnectedwithPin2oniPodmotherboard2GNDAudioandVideoground(-),internalyconnectedwithPin2oniPodmotherboard3RightLineOut-R(+)(Audiooutput,rightchannel)4LeftLineOut-L(+)(Audiooutput,leftchannel)5RightInLineIn-R(+)6LeftInLineIn-L(+)8VideoOutCompositevideooutput(onlywhentheslideshowmodeisactiveoniPodPhoto)9S-VideoChrominanceoutputforiPodColor,Photoonly10S-VideoLuminanceoutputforiPodColor,Photoonly11GNDSerialGND12Txipodsendingline,SerialTxD13Rxipodreceivingline,SerialRxD14NC15GNDGround(-),internalyconnectedwithpin16oniPodmotherboard16GNDUSBGND(-),internalyconnectedwithpin15oniPodmotherboard17NC183.3V3.3VPower(+)Steppeduptoprovide+5VDCtoUSBoniPodCameraConnector.IfiPodisputtosleepwhileCameraConnectorispresent,+5VDCatthispinslowlydrainsbackto0VDC.19,20+12VFirewirePower12VDC(+)21AccessoryIndicator/SerialenableDifferentresistancesindicateaccessorytype:1KOhm-iPoddockingstation,beepswhenconnected10KOhm-TakessomeiPodsintophotoimportmode500KOhm-relatedtoserialcommunication/usedtoenableserialcommunicationsUsedinDensionIceLinkPluscarinterface1MOhm-Belkinautoadaptor,iPodshutsdownautomaticallywhenpowerdisconnectedConnectingpin21togroundwitha1MOhmresistordoesstoptheipodwhenpower(i.e.Firewire-12V)iscut.LookstobethatwhenthispinisgroundeditclosesaswitchsothatonlossofpowertheIpodshutsoff.DockhasthesameResistor.22TPA(-)FireWireDataTPA(-)235VDC(+)USBPower5VDC(+)24TPA(+)FireWireDataTPA(+)25Data(-)USBData(-)26TPB(-)FireWireDataTPB(-)27Data(+)USBData(+)Pins25and27maybeusedindifferentmanner.ToforcetheiPod5Gtochargeinanycase,when'USBPower5VDC'(pin23)isfed,25mustbeconnectedto5Vthrougha10KOhmresistor,and27mustbeconnectedtotheGround(forexample:pin1)witha10KOhmresistor.28TPB(+)FireWireDataTPB(+)29,30GNDFireWireGround(-)NotesSignalswithgreybackgroundmaynotexistonsomedockingstations.Appleserialdevices(i.e.iTalkandremotecontrol)communicatewithiPod(3rdgenerationormore)usingtheAppleAccessoryProtocol.Theserialconnectionusesastandard19200baud8N1protocol(thespeedcanbeincreasedupto57600buttendstobecomeunstable).来个中文的iphone接口定义：接口排列方式为:1.2.3.4.5.6.7.8.9...........29.30内部焊接点排列为:135791113151719212325272924681012141618202224262830接口定义为:1Ground(-)地*2LineOut-CommonGround(-)线路输出地*3LineOut-R(+)R声道线路输出4LineOut-L(+)L声道线路输出5LineIn-R(+)R声道线路输入6LineIn-L(+)L声道线路输入78VideoOut-CompositeVideo(foripodcolourwhenslideshowactivated)复合视频输出(只有彩屏的ipod有效)******91011SerialGNDRS-232串口地12SerialTxDRS-232串口TxD13SerialRxDRS-232串口RxD1415Ground(-)地**16USBGND(-)USB电源负极**17183.3VPower(+)3.3V电源正极19FirewirePower12VDC(+)1394火线12V电源正极***20FirewirePower12VDC(+)1394火线12V电源正极***21AccessoryIndicator附件识别接口****22FireWireDataTPA(-)1394火线数据TPA(-)23USBPower5VDC(+)USB5V电源正极24FireWireDataTPA(+)1394火线数据TPA(+)25USBData(-)USB数据(-)26FireWireDataTPB(-)1394火线数据TPA(-)27USBData(+)USB数据(+)28FireWireDataTPB(+)1394火线数据TPB(+)29FireWireGround(-)1394火线12V电源负极*****30FireWireGround(-)1394火线12V电源负极*****