Key B Connector (Scn4) - AXIOMTEK CAPA322 User Manual

2.4.23 M.2 Key B Connector (SCN4)
The SCN2 is a M.2 Key B connector. It is suggested to install the M.2 cellular module
with 30mm width and 42mm length or 30mm width and 50/52mm length.
Pin Signal
1 CONFIG_3
3 GND
5 GND
7 USB_DP9
9 USB_DN9
11 GND
13
15
Key B
17
19
21 CONFIG_0
23 GPIO11(+1.8V)
25 NC
27 GND
PCIE_1_RXN /
29
USB3_3_RXN
PCIE_1_RXP /
31
USB3_3_RXP
33 GND
PCIE_1_TXN /
35
USB3_3_TXN
PCIE_1_TXP /
37
USB3_3_TXP
39 GND
41 PCIE_0_RXN
43 PCIE_0_RXP
45 GND
47 PCIE_0_TXN
49 PCIE_0_TXP
51 GND
53 PCIE_CLK_N
55 PCIE_CLK_P
57 GND
59 NC
61 NC
63 NC
65 NC
67 PLTRST(+1.8V)
69 CONFIG_1
71 GND
73 GND
75 CONFIG_2
Board and Pin Assignments
Pin Signal
2 +3.3V_SBY
4 +3.3V_SBY
6 +1.8V_SBY
8 N/C
10 NC
12
14
Key B
16
18
20 NC
22 NC
24 NC
26 NC
28 NC
30 SIM_RESET
32 SIM_CLK
34 SIM_DATA
36 SIM_PWR
38 DEVSLP1
40 NC
42 NC
44 NC
46 NC
48 NC
50 PERST#
52 CLK_REQ4
54 PEWAKE#
56 NC
58 NC
60 NC
62 NC
64 NC
66 NC
68 SUSCLK
70 +3.3V_SBY
72 +3.3V_SBY
74 +3.3V_SBY
CAPA322 3.5" Board
23