Pin connections
Pin
|
Signal
|
Description
|
1
|
GND
|
Ground (-), internally connected with Pin 2 on iPod motherboard
|
2
|
GND
|
Audio and Video ground (-), internally connected with Pin 2 on iPod motherboard
|
3
|
Right
|
Line Out - R (+) (Audio output, right channel)
|
4
|
Left
|
Line Out - L (+) (Audio output, left channel)
|
5
|
Right In
|
Line In - R (+)
|
6
|
Left In
|
Line In - L (+)
|
7
|
?
|
?
|
8
|
Video Out
|
Composite video output (only when the slideshow mode is active on iPod Photo)
|
9
|
S-Video Chrominance output
|
for iPod Color, Photo only
|
10
|
S-Video Luminance output
|
for iPod Color, Photo only
|
11
|
GND
|
Serial GND
|
12
|
Tx
|
iPod sending line, serial TxD
|
13
|
Rx
|
iPod receiving line, serial RxD
|
14
|
n/a
|
not used
|
15
|
GND
|
Ground (-), internally connected with pin 16 on iPod motherboard
|
16
|
GND
|
USB GND (-), internally connected with pin 15 on iPod motherboard
|
17
|
n/a
|
not used
|
18
|
3.3V
|
3.3V Power (+)
|
19
|
+12V
|
Firewire Power 12VDC (+)
|
20
|
+12V
|
Firewire Power 12VDC (+)
|
21
|
Accessory Indicator / Serial enable
|
Different resistances indicate accessory type
|
22
|
TPA (-)
|
FireWire TPA (-)
|
23
|
5 VDC (+)
|
USB Power 5 VDC (+)
|
24
|
TPA (+)
|
FireWire TPA (+)
|
25
|
Data (-)
|
USB Data (-)
|
26
|
TPB (-)
|
FireWire Data TPB (-)
|
27
|
Data (+)
|
USB Data (+)
|
28
|
TPB (+)
|
FireWire Data TPB (+)
|
29
|
GND
|
FireWire Ground (-)
|
30
|
GND
|
FireWire Ground (-)
|
External References
Stefan Esser's Info (pg. 13-18)