Accessory Mode USB Host/
Device (config-
ured by OTG
ID)
OPT1 OPT2
Multi-Unit Charg-
er
Car Kit
Factory Test Fix-
ture
Factory Mode SWB+ driven 1 0
NOTE: Digital car kits use 1-WIRE for detection.
Table 9: Bottom to BTB Connector
Bottom Connector Pin BTB Connector Pin, J1200_L Signal
1 11 USB_DP_TXD
2 16 USB_5V
3 27 OPT2
4 25 OPT1
5 1, 3, 5, 7, 9, 15, 21 GND
6 13 USB_DM_RXD
7 19 SWB+_SUPPLY
8 22 Line_In-
9 20, 26, 29 AUDIO_GND
10 30 Line_Out+
11 17 OTG_ID
12 2, 4, 6, 8, 10, 12 EXT_B+
13 14 1-Wire
14 15 FMLB_GND
15 18 BOOT_MODE
16 23 PTT
17 24 Line_In+
18 28 Line_Out-
MN006362A01-AL
Chapter 2 : Overview
29