ME910G1 HW Design Guide
1VV0301593 Rev.3 Page 37 of 97 2020-03-24
VAUX Power Output
A regulated power supply output is provided in order to supply small devices from the
module, like: level translators, audio codec, sensors, and others.
Pin R11 can be used also as PWRMON (module powered ON indication) function,
because is always active when the module is powered ON and cannot be set to LOW
level by any AT command.
Host can only detect deep sleep mode by monitoring of VAUX/PWRMON output pin, since
there is no pin dedicated to PSM status indicator.
The operating range characteristics of the supply are:
RTC Supply
RTC is functional when ME910G1 is in PSM or OFF state and VBATT pin is supplied.
RTC settings are erased if VBATT supply is temporary disconnected.
If power saving configuration is enabled by AT+CPSMS
Command, VAUX during deep sleep mode period is OFF
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