SOM-9X20 User Manual
15
A.3.7. MiniPCIe Slot
The SOMDB2 carrier board is equipped with a miniPCIe slot which is labeled as “MPCIE”and is compatible with
all PCIe 2.0 miniPCIe modules that are full length or half-length. The pinouts of the miniPCIe slot are shown
below.
Table 4: MiniPCIe slot pinouts
BR203
2
+
1
MPCIE
2
1
52
51
Figure 20: MiniPCIe slot diagram
Pin
Signal
Pin
Signal
1
PCIE1_WAKE_N3V3_C
2
VDD33_MPCIE
3
N/A
4
GND
5
NA
6
VDD1V5
7
PCIE1_CLKREQ_N_3V3_C
8
N/A
9
GND
10 N/A
11 PCIE1_CLK_M
12 N/A
13 PCIE1_CLK_P
14 N/A
15 GND
16 N/A
17 N/A
18 GND
19 N/A
20 PCIE1_W_DISABLE_3V3
21 GND
22 PCIE1_RST_N_3V3_C
23 PCIE1_RX_M
24 VDD3V3_MPCIE
25 PCIE1_RX_P
26 GND
27 GND
28 VDD1V5
29 GND
30 BLSP6_I2C_SCL_3V3_C
31 PCIE1_TX_M
32 BLSP6_I2C_SDA_3V3_C
33 PCIE1_TX_P
34 GND
35 GND
36 HUB_USBDN_DM1_MINI_CARD
37 GND
38 HUB_USBDN_DP1_MINI_CARD
39 VDD3V3_MPCIE
40 GND
41 VDD3V3_MPCIE
42 LED_WWAN-
43 GND
44 LED_WLAN-
45 N/A
46 LED_WPAN-
47 N/A
48 VDD1V5
49 N/A
50 GND
51 N/A
52 VDD3V3_MPCIE
