Huawei ME909s Series - Signal Control Interface

HUAWEI ME909s Series LTE Mini PCIe Module
Hardware Guide
Description of the Application Interfaces
Issue 02 (2016-09-07)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
19
Parameter
Remarks
Time
Unit
T
off
Power off time
>100
ms
T
on
Power on time
<10
ms
The rising time of VCC_3V3 should be 100 µs at least.
3.4 Signal Control Interface
3.4.1 Overview
The signal control part of the interface in the ME909s Mini PCIe module consists of
the following:

WAKE# signal

WAKEUP_IN signal

RESIN_N signal

LED_WWAN# signal
Table 3-3 lists the pins on the signal control interface.
Table 3-3 Definitions of the pins on the signal control interface
Pin
No.
Pin Name
Pad
Type
Description
Parameter
Min.
(V)
Typ.
(V)
Max.
(V)
Comment
1
WAKE#
O
Open collector
active low signal.
This signal is
used to wake up
the host.
V
OL
0
-
0.45
-
7
WAKEUP_I
N
I
Sleep
authorization
signal.
H: Sleep mode is
disabled.
L: Sleep mode is
enabled (default
value).
V
IH
1.17
1.8
1.98
-
V
IL
–0.3
-
0.63
-
22
RESIN_N
I
Reset module
Active-low
V
IL
0
0
0.18
The signal is
internally
pulled up.
V
IH
1.62
1.8
1.98