Rtc Alarm (Alarm) - Wavecom GR64 GSM/GPRS Integrator's Manual

5.21.2 RTC Alarm (ALARM)

Pin
50
NOTE
The Alarm output is logic output from the Wireless CPU which is supplied from the
RTC circuitry block. This block is, in turn, supplied either from the main supply of the
Wireless CPU or from a backup battery if the main supply is not available.
This signal is pulled up inside the Wireless CPU to VRTC and is set low for 1s when an
Alarm is triggered.
GR64 Integrators Manual
Page: 81/104
Name Direction
ALARM Output
The ALARM signal is only available on GR64002.
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Function
RTC Alarm