Pins 25 and 27 may be used in different manner. Looks to be that when this pin is grounded it closes a switch so that on loss of power the Ipod shuts off. Requires MAX232 chip to convert to RS232 levels.Ħ8kOhm - makes iPhone 3g send audio through line-out without any messagesĥ00kOhm - related to serial communication / used to enable serial communications Used in Dension Ice Link Plus car interfaceġMOhm - Belkin auto adaptor, iPod shuts down automatically when power disconnected Connecting pin 21 to ground with a 1MOhm resistor does stop the ipod when power (i.e. If iPod is put to sleep while Camera Connector is present, +5 VDC at this pin slowly drains back to 0 VDC.ĭifferent resistances indicate accessory type:ġkOhm - iPod docking station, beeps when connectedġ0kOhm - Takes some iPods into photo import modeĦ.8 kΩ - Serial port mode. Stepped up to provide +5 VDC to USB on iPod Camera Connector. USB GND (-), internally connected with pin 15 on iPod motherboard Ground (-), internally connected with pin 16 on iPod motherboard If connected to GND the iPhone sends audio signals through pin 3-4, otherwise it uses onboard speaker. Line Out - L(+) (Audio output, left channel)Ĭomposite video output (only when slideshow active on iPod Photo) Line Out - R (+) (Audio output, right channel) Ground (-), internally connected with Pin 2 on iPod motherboardĪudio & Video ground (-), internally connected with Pin 1 on iPod motherboard
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