u-blox EVK-G31, User Manual

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EVK-G31, EVK-G35 - User Guide
UBX-13001792 - R06 Early Production Information Starting up
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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