Running the demonstration
UM1011
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Doc ID 18064 Rev 1
Once the alarm has been configured, the red LEDs stop blinking and the system enters
Stop mode. The message shown in
Figure 42
is displayed on the LCD.
Figure 42.
RTC Alarm wakeup configured
After the programmed time has elapsed, the system exits Stop mode. The system clock is
then set to 24 MHz and the application resumes execution. The message shown in
Figure 43
is displayed on the LCD screen.
Figure 43.
RTC Alarm wakeup
Note:
If the time and date have not been set, the message shown in
Figure 44
is displayed on the
LCD screen.
Figure 44.
Time and Date configuration prompt
MCU in Stop Mode
Wait For RTC Alarm
Stop Mode
Wakeup by RTC Alarm
continue...
Press joystick to
Time and Date are
parameters. Press
not configured,
Calendar menu and
set time and Date
please go to the
joystick to continue...