Sleep_Status Signal - Huawei ME909u-521 Hardware Manual

HUAWEI ME909u-521 LTE LGA Module
Hardware Guide
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.
Issue 05 (2017-12-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Description of the Application Interfaces
32