Huawei ME906s LTE M.2 - Page 22

HUAWEI ME906s LTE M.2 Module
Hardware Guide
Description of the Application Interfaces
Issue 05 (2019-03-25)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
22

BodySAR detection (BodySAR_N) pin

USIM detection (USIM_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.
When it is Low, WWAN is
powered off.
When it is High, WWAN is
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.
V
IH
1.26
-
3.6
The
module is
pulled
down
inside by a
1MΩ
resistor.
V
IL
–0.3
-
0.3
67
RESET#
I
System reset, active low.
V
IH
1.26
-
2.1
The
module 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
host.
V
OL
0
-
0.48
The
maximum
I
OL
is 40
mA.
8
W_DISABLE
#
I
WWAN disable function
When it is High, WWAN
function is determined by
software AT command.
Default enabled.
When it is Low, WWAN
function will be turned off.
V
IH
1.26
-
3.6
-
V
IL
–0.3
-
0.3
26
GPS_DISAB
LE#
I
GPS disable function
When it is High, GPS
function is determined by
software AT command.
When it is Low, GPS is
turned off.
V
IH
1.26
-
3.6
-
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
The
maximum
I
OL
is 40
mA.