EVK-G31, EVK-G35 - User Guide
UBX-13001792 - R06
Early Production Information
Starting up
Page 8 of 22
DIL B2B J401
DIL B2B J400
Signal Name
Pin N° Pin N°
Signal Name
Signal Name
Pin N° Pin N°
Signal Name
Not connected
2
1
GND
Not connected
2
1
GND
Not connected
4
3
V_BCKP
Not connected
4
3
Not connected
Not connected
6
5
Not connected
Not connected
6
5
Not connected
GND
8
7
GND
VCC
8
7
VCC
GND
10
9
GND
VCC
10
9
VCC
DTR
12
11
DCD
Not connected
12
11
Not connected
CTS
14
13
RTS
SIM_IO
14
13
VSIM
RXD
16
15
TXD
SIM_RST
16
15
SIM_CLK
DSR
18
17
RI
Not connected
18
17
Not connected
RXD_AUX
20
19
TXD_AUX
SCL
20
19
Not connected
Not connected
22
21
GND
I2S_CLK
22
21
SDA
RSVD_#19
24
23
SIM_DET
I2S_TXD
24
23
I2S_RXD
Not connected
26
25
GPIO4
RESET_N
26
25
I2S_WA
RSVD_#17
28
27
Not connected
MIC_P_BIAS
2
28
27
MIC_GND
Not connected
30
29
PWR_ON
Not connected
30
29
Not connected
GPIO3
32
31
GPIO2
Not connected
32
31
Not connected
Not connected
34
33
GPIO1
SPK_N
34
33
SPK_P
V_INT
36
35
Not connected
ANT_DET
3
36
35
Not connected
Not connected
38
37
Not connected
Not connected
38
37
Not connected
Not connected
40
39
Not connected
Not connected
40
39
Not connected
GND
42
41
GND
GND
42
41
Not connected
Table 5: Pin-out of the 42-pin Dual-In-Line Board-to-Board connectors (J401, J400) available on the adapter board ADP-G350 of
the EVK-G35 evaluation kit for SARA-G350 modules
2
Signal and bias line for an external electret microphone: biasing bridge circuit mounted on ADP-G350
3
SARA-G350 ANT_DET pin connected to the J400 Pin 36 with 18 k
series resistor and the antenna detection circuit mounted on ADP-G350
