User's Manual

3.2. Pin Descriptions
NC
Pin NO. Signal Name In/Out 기능
1, 2, 3, 4, 13, 15, 17, 38 NC
V_BATT
31, 32 POWER POWER
GND
21, 22, 33, 34, 40 GND GND
PCM
16 PCM_3.3V_TXD O PCM DATA OUT
18 PCM_3.3V_RXD I PCM DATA IN
19 PCM_3.3V_CLK O PCM CLK
20 PCM_3.3V_SYNC O PCM SYNC
UART2
(DM Port)
37 TXD2 I Serial Data Input 2 , HSDPA 디버깅
39 RXD2 O Serial Data Output 2, HSDPA 디버깅
USB
(USB2.0)
29 USB_VBUS I Power supply for the USB transceiver
35 USB_D+ I/O USB differential data (+)
36 USB_D- I/O USB differential data (-)
AUDIO
(MIC/SPK)
23 MIC+ I Differential Microphone input (+)
24 MIC- I Differential Microphone input (-)
25 SPK+ O Analog Audio Differential Output (+)
26 SPK- O Analog Audio Differential Output (-)
User Interface
9 SSl0 I Air-bag Signal input(Not use)
10 SSl1 I CAN Wake Up Signal input (Not use)
11 BOOT_OK O Modem Booting Completion / Modem Wake Up
12 MSG O Received emergency message from Center
14 AUIDIO_ON- O Signified in voice communication(not use)
27 48H_END O Signified in 48 hours standby mode ending
28 RESET_IN- I Modem Hardware reset input
30 ACC(POWER_ON) I Modem Power ON/ Modem POWER Sleep
GPIO
5, 6, 7, 8, 9, 10, 14 GPIO I/O Possible to connect to GPIO/
Table 1 Pin Descriptions