LE940B6 HW User Guide
Rev. 2.02
Page 52 of 111
2020-01-10
5.3.1.
Shutdown by Software Command
The LE940B6 module can be shut down by a software command.
When a shutdown command is sent, LE940B6 goes into the Finalization state and at the
end of the finalization process shuts down VAUX/PWRMON.
The duration of the Finalization state can differ according to the current situation of the
module, so a value cannot be defined.
Usually, it will take more than 10 seconds from sending a shutdown command until
reaching a complete shutdown. The DTE host should monitor the status of
VAUX/PWRMON to observe the actual power-off.
Figure 7: Shutdown by Software Command
NOTE:
To check whether the device has powered off, monitor the VAUX/PWRMON
hardware line. When VAUX/PWRMON goes low, the device has powered
off.
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