Telit Wireless Solutions LE910C1-NA, Hw User Manual, Page: 14 / 22

1VV0301517 - Audio Codec Extension Card - HW User Guide
120-Pin Board to Board Connectors
Rev. 2 Page 14 of 22 2019-12-04
3. 120-Pin Board to Board Connectors
The interface between Codec Extension Card and the Generic EVB is implemented via a
120p (20p x 6 rows) SAMTEC SEARAY 1.27mm High Speed/High Density B2B right
angle (edge) connector.
The below table describes the connector pin naming as well as the mapping and usage of
each signal inside the Codec card.
Pin # Connector Pin Name Description / Usage
1 VBATT_AUX Supply from main board
2 VBATT_AUX Supply from main board
3 NC N/A
4 NC N/A
5 NC N/A
6 NC N/A
7 GND GND
8 GND GND
9 NC N/A
10 WIFI_SDCMD Unused
11 WCI_RX_HOST Unused
12 NC N/A
13 1V8_OUT Unused
14 WIFI_SD4 Unused
15 NC N/A
16 WIFI_SDCLK Unused
17 TGPIO_30_CTS_GPS Unused
18 NC N/A
19 1.8V 1.8V supply for Codec
20 WIFI_SD4 Unused
21 NC N/A
22 WIFI_SD7 Unused
23 NC N/A
24 NC N/A
25 WCI_TX_HOST Unused
26 WIFI_REF_CLK Unused
27 WIFI_SD2 Unused
28 WIFI_SD5 Unused
29 NC N/A
30 NC N/A
31 I2C_SCL_AUX Unused
32 I2C_SDA_AUX Unused
33 WIFI_SD0 Unused
34 WIFI_SD1 Unused
35 NC N/A
36 NC N/A
37 I2C_SCL
I2C Port of Host
38 I2C_SDA
39 WIFI_SD6 Unused
40 WIFI_SDRST Unused
41 NC N/A