Fibocom L850-GL - 3.1.1 Pin Map; 3.1.2 Pin Definition

Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved.
L850-GL Hardware User Manual Page 17 of 54
Pin “Notch” represents the gap of the gold fingers.
3.1.2 Pin Definition
The pin definition is as follows:
Pin Pin Name I/O Reset Value Pin Description Type
1 CONFIG_3 O
NC
NC, L850 M.2 module is configured as
the WWAN – PCIe, USB3.0 interface
type
2 +3.3V PI Power input Power Supply
3 GND GND Power Supply
4 +3.3V PI Power input Power Supply
5 GND GND Power Supply
6
FULL_CARD_
POWER_OFF#
I PU
Power enable, Module power on input,
internal pull up
CMOS
3.3/1.8V
7 USB D+ I/O USB Data Plus 0.3---3V
8 W_DISABLE1# I PD WWAN Disable, active low
CMOS
3.3/1.8V
9 USB D- I/O USB Data Minus 0.3---3V
10 LED1# O T
System status LED, Output open drain,
CMOS 3.3V
CMOS 3.3V
11 GND GND Power Supply
12 Notch Notch
13 Notch Notch
14 Notch Notch
15 Notch Notch
16 Notch Notch
17 Notch Notch
18 Notch Notch
19 Notch Notch
20 I2S_CLK O PD
I2S Serial clock,
Reserved
CMOS 1.8V
21 CONFIG_0
GND
GND, L850 M.2 module is configured as
the WWAN – PCIe, USB3.0 interface
type