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FIBOCOM_NL952-NA_Hardware_User_Manual
Page 14 of 57
Pin Definition
The pin definition is as below table:
Pin Pin Name
I/O
Reset Value
Pin Description
Level
1
CONFIG_3
O
NC
NC, NL952 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(40K
Ω
)
3.3/1.8V
7
USB D+
I/O
USB Data Plus
0.3---3V
8
W_DISABLE1#
I
PD
WWAN Disable, active low
3.3/1.8V
9
USB D-
I/O
USB Data Minus
0.3---3V
10 LED1#
OD
T
System status LED, Output open drain,
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 I2S_CLK
O
PD
I2S Serial clock, Reserved
1.8V
21 CONFIG_0
NC
NC, NL952 M.2 module is configured as
the WWAN
–
PCIe, USB3.0 interface
type
22 I2S_RX
I
PD
I2S Serial receive data,
Reserved
1.8V
23 WOWWAN#
O
PD
Wake up host, Reserved
1.8V
24 I2S_TX
O
PD
I2S Serial transmit data, Reserved
1.8V
25 DPR
I
PD
Body SAR Detect, active low
3.3/1.8V