This is the technical info of Samsung Galaxy Tab Pinouts for digital and analog I/O on the 30 pin dock connector. This is the serial cable connection on Samsung Galaxy Tab for USB connection, charging, accessories connection and for debugging and logging etc.
Samsung Galaxy Tab 30 Pin Connector Pinout
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Pin# Signal to/from device
1 Gnd P
2 Gnd P
3 USB_DP_CON I/O
4 USB_DM_CON I/O
5 IF_CON_SENSE I
6 V_ACCESSORY_5.0V P
7 V_BUS_1 P
8 V_BUS_1 P
9 VOUT_CHARGER P
10 VOUT_CHARGER P
11 no connection
12 no connection
13 ACCESSORY_ID / USB_ID I
14 ACCESSORY_INT I
15 Gnd P
16 Gnd P
17 MHL_DP I/O
18 MHL_DM I/O
19 MHL_ID I
20 IF_RXD I
21 IF_TXD O
22 no connection?
23 AP_TV_OUT O
24 REMOTE_SENSE I
25 no connection
26 no connection
27 EAR_L_CRADLE O
28 EAR_R_CRADLE O
29 3.5_INT_TEST I
30 Gnd P
