User's Manual

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A. 6 80pin BtoB connector pin Map
Refer to below Table A-2 pin description about 80pin BtoB connector.
Table A-2 80pin BtoB connector pin description
Voltage Type
1 GND GND - Ground
2 Reserved - - note2) reserved
3 Reserved - - note2) reserved
4 GND GND - Ground
5 AD Analog In ADC Input
6 DA Analog Out DAC(PDM) Output
7 Reserved - - note2) reserved
8 VUIM2 1.8/2.95V Out External UIM Power
9 Reserved - - note2) reserved
10 UIM2_RESET/ 1.8/2.95V Out External UIM Reset
11 Reserved - - note2) reserved
12 UIM2_DATA 1.8/2.95V Both External UIM Data
13 Reserved - - note2) reserved
14 UIM2_CLK 1.8/2.95V Out External UIM Clock
15 Reserved - - note2) reserved
16 Reserved - - note2) reserved
17 Not USED - - note2) Not used
18 GPO1 3.0V Out General Output signal 01
19 UART_INIT 3.0V In Reset of the UART data rate
20 AREA_IND 3.0V Out Communication service area indicator
21 PS_HOLD 3.0V Out Modem Power On status indicator
22 RESET_CHK 3.0V Out Module status indicator
23 RI 3.0V Out SMS Receive notification signal
24 DSR 3.0V Out UART1 Data Set Ready
25 DCD 3.0V Out UART1 Data Carrier Detect
26 RTS 3.0V In UART1 Ready To Send
27 CTS 3.0V Out UART1 Clear To Send
28 DTR 3.0V In UART1 Data Terminal Ready
29 RXD 3.0V Out note1) UART1 receiving signal data/DCE(modem) → DTE(customer)
30 TXD 3.0V In note1) UART1 transmitting signal data/DCE(modem) ← DTE(customer)
31 VBATT 3.8V In Power input
32 GND GND - Ground
33 VBATT 3.8V In Power input
34 Reserved - - note2) reserved
35 PWR_ON 2.8V In Power on/off input signal
36 RESET_N 1.8V In External Reset input signal
37 Reserved - - note2) reserved
38 VBATT 3.8V In Power input
39 C_STATUS/GPO2 3.0V Out General Output signal 02
40 VBATT 3.8V In Power input
Pin
No.
Pin name
Input / Output
Remark