6 using the alarm output gpio6 – Rainbow Electronics GE863-PY User Manual
Page 56
GE863 Hardware User Guide
1vv0300783 Rev.0 - 10/06/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 56 of 80
8.6 Using the Alarm Output GPIO6
The GPIO6 pad, when configured as Alarm Output, is controlled by the GE863 module and will rise
when the alarm starts and fall after the issue of a dedicated AT command.
This output can be used to power up the GE863 controlling microcontroller or application at the alarm
time, giving you the possibility to program a timely system wake-up to achieve some periodic actions
and completely turn off either the application or the GE863 during sleep periods, dramatically reducing
the sleep consumption to few μA.
In battery-powered devices this feature will greatly improve the autonomy of the device.
NOTE: During RESET the line is set to HIGH logic level.
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