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HUAWEI ME906s LTE M.2 Module
Hardware Guide
Table 3-1 Definitions of pins on the M.2 interface
Pin
Pin Name
No.
1
CONFIG_3
2
3.3V
3
Ground
4
3.3V
5
Ground
6
Power_On_Off
7
USB_D+
8
W_DISABLE#
9
USB_D-
10
LED#
11
Ground
12
Notch
13
Notch
Issue 05 (2019-03-25)
Pad
Description
Type
Connected to Ground
O
internally.
PI
Power supply
PI
Ground
PI
Power supply
PI
Ground
A single control to turn
On/Off WWAN.
When it is Low, WWAN is
powered off.
When it is High, WWAN is
I
powered on.
It is internally pulled to
Low.
It is 3.3 V tolerant but can
be driven by either 1.8 V or
3.3 V GPIO.
USB Data + defined in the
I/O
USB 2.0 specification
WWAN disable function
When it is High, WWAN
function is determined by
I
software AT command.
Default enabled.
When it is Low, WWAN
function will be turned off.
USB Data - defined in the
I/O
USB 2.0 specification
It is an open drain, active
low signal, used to allow
the M.2 card to provide
O
status indicators via LED
devices that will be
provided by the host.
PI
Ground
-
-
-
-
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Description of the Application Interfaces
Min.
Typ.
Parameter
(V)
(V)
-
-
0
-
3.135
3.3
-
-
0
-
3.135
3.3
-
-
0
V
1.26
-
IH
–0.3
V
-
IL
-
-
-
V
1.26
-
IH
–0.3
V
-
IL
-
-
-
V
0
-
OL
-
-
0
-
-
-
-
-
-
Max.
Comments
(V)
The
module is
-
configured
as WWAN-
SSIC 0.
4.4
-
-
-
4.4
-
-
-
3.6
The
module is
pulled
down
inside by a
1 MΩ
resistor.
0.3
-
-
3.6
-
0.3
-
-
The
maximum
0.48
I
is 40
OL
mA.
-
-
-
-
-
-
13
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