Huawei ME909s Series - WAKE# Signal; WAKEUP_IN Signal

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.
20
Pin
No.
Pin Name
Pad
Type
Description
Parameter
Min.
(V)
Typ.
(V)
Max.
(V)
Comment
42
LED_WWA
N#
O
Mode indicator
current sink
Drive strength:
10 mA
-
-
-
-
-
3.4.2 WAKE# Signal
This signal is used for module to wake up the host. It is designed as an OC (Open
Collector) gate, so it should be pulled up by the host and it is active-low.
When the module wakes up the host, the WAKE# pin will output low-level-voltage for
1s to wake up the host.
Figure 3-4 Connections of the WAKE# pin
WAKE#
3.4.3 WAKEUP_IN Signal
WAKEUP_IN pin is the authorization signal of ME909s Mini PCIe module entering
sleep mode. If this pin is not connected, it will keep in low level by default.
Table 3-3 shows the definition of the WAKEUP_IN signal.