User Guide

ME310G1 Hardware User Guide
1VV0301588 Rev. 4 Page 34 of 77 2020-01-21
RTC
RTC is functional when ME310G1 is in PSM or OFF state and VBATT pin is supplied.
RTC settings are erased if VBATT supply is temporary disconnected.
PWRMON Power-on monitor
PWRMON is always active (output high) when the module is powered ON (module
powered ON indication) and cannot be set to LOW level by any AT command.
This signal is present on pin R1.The operating range characteristics of PWRMON signal
are:
Item
Min
Typical
Max
Output voltage
1.35V
1.8V
-
Output current
-
-
1mA
NOTE:
The Output Current MUST never be exceeded; care must be taken
when designing the application section to avoid having an excessive
current consumption.
If the Current is exceeding the limits it could cause a Power Off of the
module.
WARNING:
This signal is NOT provided in order to supply small devices from the
module. PWRMON is only a module power-on indicator.
If PSM is enabled by AT+CPSMS
Command, PWRMON during PSM period is LOW