Table 11.19. CON20 Signals
Pin Number
Pin Name
I/O
Description
1
-
-
Reserved
2
WLAN_VDD
Power
Power (WLAN_VDD)
3
-
-
Reserved
4
GND
Power
Power (GND)
5
BT_DISABLE_L
Out
BT enable / disable signal, connected to SAI1_RXFS pin of i.MX7 Dual
(Low: BT disabled, High: BT enabled)
6
-
-
Reserved
7
CLKREQ_L
In
Reference clock request, connected to SAI1_RXC pin of i.MX7 Dual
8
NC
-
Not Connected
9
GND
Power
Power (GND)
10
NC
-
Not Connected
11
REFCLK-
Out
Differential reference clock (-), connected to PCIE_REFCLKOUT_N pin of i.MX7
Dual
12
NC
-
Not Connected
13
Out
Differential reference clock (+), connected to PCIE_REFCLKOUT_P pin of i.MX7
Dual
14
NC
-
Not Connected
15
GND
Power
Power (GND)
16
NC
-
Not Connected
17
NC
-
Not Connected
18
GND
Power
Power (GND)
19
NC
-
Not Connected
20
W_DISABLE_L
Out
Wireless LAN enable / disable signal, connected to SAI1_TXC pin of i.MX7 Dual
(Low: Wireless LAN disabled, High: Wireless LAN enabled)
21
GND
Power
Power (GND)
22
PERST_L
Out
Basic reset signal, connected to SAI1_RXD pin of i.MX7 Dual
(Low: Reset state, High: Reset release)
23
PERn0
In
Differential receiver (-), connected to PCIE_RX_N pin of i.MX7 Dual
24
WLAN_VDD
Power
Power (WLAN_VDD)
25
PERp0
In
Differential receiver (+), connected to PCIE_RX_P pin of i.MX7 Dual
26
GND
Power
Power (GND)
27
GND
Power
Power (GND)
28
-
-
Reserved
29
GND
Power
Power (GND)
30
-
-
Reserved
31
PETn0
Out
Differential transmitter (-), connected to PCIE_TX_N pin of i.MX7 Dual
32
-
-
Reserved
33
PETp0
Out
Differential transmitter (+), connected to PCIE_TX_P pin of i.MX7 Dual
34
GND
Power
Power (GND)
35
GND
Power
Power (GND)
36
WLAN_USB_HS_DM
In/Out
Minus side signal of WLAN_USB, connected to USB HSIC controller on i.MX7
Dual via USB HUB controller (port 3)
37
GND
Power
Power (GND)
38
WLAN_USB_HS_DP
In/Out
Plus side signal of WLAN_USB, connected to USB HSIC controller of i.MX7 Dual
via USB HUB controller (port 3)
39
WLAN_VDD
Power
Power (WLAN_VDD)
40
GND
Power
Power (GND)
41
WLAN_VDD
Power
Power (WLAN_VDD)
42
NC
-
Not Connected
43
GND
Power
Power (GND)
44
-
-
Reserved
45
NC
-
Not Connected
46
-
-
Reserved
Armadillo-IoT Gateway G3Product Manual - INTL
Interface Specifications
124