HUAWEI ME909 Series LTE LGA Module
Hardware Guide
Description of the Application Interfaces
Issue V0.3 (2013-05-21)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
29
Figure 3-9
Connections of the WAKEUP_IN pin
The pull up resistor should not be greater than 22 k
Ω.
3.4.5
WAKEUP_OUT Signal
The WAKEUP_OUT signal is used to wake up the external devices. Its drive current is
no more than 2 mA.
Table 3-3 shows the definition of the WAKEUP_OUT signal.
Figure 3-10 shows recommended circuit of the WAKEUP_OUT pin.
Figure 3-10
Connections of the WAKEUP_OUT pin