Pin Definition - Fibocom L850-GL Series Hardware Manual

3.1.2 Pin Definition

The pin definition is as follows:
Pin Pin Name
1 CONFIG_3
2 +3.3V
3 GND
4 +3.3V
5 GND
FULL_CARD_
6
POWER_OFF#
7 USB D+
8 W_DISABLE1#
9 USB D-
10 LED1#
11 GND
12 Notch
13 Notch
14 Notch
15 Notch
16 Notch
17 Notch
18 Notch
19 Notch
20 I2S_CLK
21 CONFIG_0
22 I2S_RX
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FIBOCOM L850-GL Series Hardware Guide
I/O Reset Value
O
NC
PI
-
- -
PI
-
- -
I PU
I/O
-
I PD
I/O
-
O T
- -
O PD
- GND
I PD
Pin Description
NC, L850 M.2 module is configured as
the WWAN – PCIe, USB3.1 interface
type
Power input
GND
Power input
GND
Power enable, module power on input,
internal pull up
USB data plus
WWAN disable, active low
USB data minus
System status LED, output open drain,
3.3V
GND
Notch
Notch
Notch
Notch
Notch
Notch
Notch
Notch
I2S serial clock,
Reserved
GND, L850 M.2 module is configured as
the WWAN – PCIe, USB3.1 interface
type
I2S serial receive data,
Reserved
Type
-
Power Supply
Power Supply
Power Supply
Power Supply
3.3/1.8V
0.3---3V
3.3/1.8V
0.3---3V
3.3V
Power Supply
1.8V
-
1.8V
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