Wakeup_In Pin - Huawei MU509-65 HSDPA Hardware Manual

HUAWEI MU509-65 HSDPA LGA Module
Hardware Guide
Figure 3-14 LED Typical Electro-Optical Characteristics Curves

3.4.5 WAKEUP_IN Pin

The DTE controls the sleep and wakeup status of the MU509-65 module through the
WAKEUP_IN pin. The DTE can control the MU509-65 module to enter forced sleep
status in following two cases:


If the level status of the WAKEUP_IN pin changes from low to high when the
MU509-65 module is in forced sleep status, the MU509-65 module will exit from
forced sleep status.
The level status of WAKEUP_IN pin is high by default.
Issue 01 (2016-04-08)
Before MU509-65 module is powered on, if the WAKEUP_IN pin carries a
low-level voltage, MU509-65 module is allowed to enter forced sleep status after
MU509-65 module is powered on.
After MU509-65 module is powered on, if WAKEUP_IN pin's level status changes
from high to low (that is, the pin level is in falling edge), MU509-65 module is
allowed to enter forced sleep status.
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