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HUAWEI ME936 LTE M.2 Module
Hardware Guide
Description of the Application Interfaces
Issue 03 (2017-12-11)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
22
LED control (LED#) pin
WWAN disable control (W_DISABLE#) pin
GPS disable control (GPS_DISABLE#) pin
Wake signal out from module (Wake_On_WWAN#) pin
BodySAR detection (BodySAR_N) pin
UIM detection (SIM_DET) pin
Table 3-3 lists the pins on the signal control interface.
Table 3-3
Pins on the signal control interface
Pin
No.
Pin Name
Pad
Type
Description
Parameter
Min.(
V)
Typ.(
V)
Max.(
V)
Comments
6
Power_On_
Off
I
A single control to turn
On/Off WWAN.
H: WWAN is powered on.
L: WWAN is powered off.
It is internally pulled to low.
V
IH
1.26
-
4.4
ME936 is
pulled
down
inside.
V
IL
–0.3
-
0.54
67
RESET#
I
System reset, active low.
V
IH
1.26
-
3.3
ME936 is
pulled up
inside.
V
IL
–0.3
-
0. 3
10
LED#
O
It is an open drain, active low
signal, used to allow the M.2
card to provide status
indicators via LED devices
that will be provided by the
system.
V
OL
0
-
0.48
I
OL
=75mA
8
W_DISABLE
#
I
WWAN disable function
H: WWAN function is
determined by software AT
command. Default High.
L: WWAN function is turned
off.
V
IH
1.26
-
3.6
ME936 is
pulled up
inside.
V
IL
–0.3
-
0.3
26
GPS_DISAB
LE#
I
GPS disable function
H: GPS function is
determined by software AT
command. Default enabled.
L: GPS is turned off.
V
IH
1.26
-
3.6
ME936 is
pulled up
inside.
V
IL
–0.3
-
0.3
23
Wake_On_
WWAN#
O
It is open drain and active
low.
WWAN to wake up the host.
V
OL
0
-
0.48
I
OL
=75mA
25
BodySAR_N
I
Hardware pin for BodySAR
Detection, active low.
V
IH
1.26
-
3.6
ME936 is
pulled up