VIA SOM-6X80 User Manual
26
A.3.23.
MiniPCIe Slot
The SOMDB3 carrier board comes with a miniPCIe slot for wireless networking options for 3G and 4G modules.
The miniPCIe slot is labeled as “MINIPCIE1”and is compatible with all PCIe 2.0 miniPCIe modules that is full-
length or half-length. The pinouts of the miniPCIe slot are shown below.
Table 20: MiniPCIe slot pinouts
Figure 38: MiniPCIe slot diagram
Pin
Signal
Pin
Signal
1 NC
2 4G_3V3
3 NC
4 GND
5 NC
6 +1.5V
7 4G_3V3
8 USIM_VCC
9 GND
10 USIM_DATA1
11 NC
12 USIM_CLK1
13 NC
14 USIM_RST1
15 GND
16 UIM_VPP1
17 NC
18 GND
19 NC
20 NC
21 GND
22 NC
23 NC
24 4G_3V3
25 NC
26 GND
27 GND
28 +1.5V
29 GND
30 I2C1SCL
31 NC
32 I2C1SDA
33 NC
34 GND
35 GND
36 USBH_T1-
37 GND
38
39 4G_3V3
40 GND
41 4G_3V3
42 NC
43 GND
44 NC
45 NC
46 NC
47 NC
48 +1.5V
49 NC
50 GND
51 NC
52 4G_3V3