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FIBOCOM L860-GL Series Hardware Guide
Page 18 of 60
Pin Definition
The pin definition is as follows:
Pin Pin Name
I/O Reset Value
Pin Description
Type
1
CONFIG_3
O
NC
NC, L860 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
3.3/1.8V
7
USB D+
I/O
USB data plus, only for debug
0.3---3V
8
W_DISABLE1#
I
PD
WWAN disable, active low
3.3/1.8V
9
USB D-
I/O
USB data minus, only for debug
0.3---3V
10
LED1#
OD T
System status LED, output open drain,
CMOS 3.3V
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
GPIO
O
PD
GPIO(High-z)
UART_RTS (Reserved)
1.8V
21
CONFIG_0
NC
NC, L860 M.2 module is configured as
the WWAN
– PCIe, USB3.0 interface
type
22
UART_TX
O
PD
UART_TX, MUX for
ANT_TUNER_CONFIG/GPIO(High-z)
1.8V
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