HUAWEI ME909u-521 LTE LGA Module
Hardware Guide
Description of the Application Interfaces
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Figure 3-10 WAKEUP_OUT output sequence
Figure 3-11 shows recommended circuit of the WAKEUP_OUT pin.
Figure 3-11 Connections of the WAKEUP_OUT pin
3.4.6 SLEEP_STATUS Signal
SLEEP_STATUS signal is used to indicate the sleep status of ME909u-521 module.
The external devices can get to know whether the module is in sleep mode by reading
SLEEP_STATUS pin.
When SLEEP_STATUS pin is in high level, ME909u-521 module is in wakeup state.
When SLEEP_STATUS pin is in low level, ME909u-521 module is in sleep state.
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