Samsung Galaxy Tab Dock Cable Connector Pinout

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.

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Samsung Galaxy Tab 30 Pin Connector Pinout

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