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Running the demonstration
Figure 57. MCU in Standby mode
The MCU remains in Standby mode until the SEL push-button is pressed. Once the Wakeup
push-button has been pressed, the MCU exits Standby mode and the system reset signal is
generated.
Note:
If an RTC Alarm is generated while the MCU is in Standby mode (which means that the
SELpush-button needs to be pressed to exit Standby mode), the RTC Alarm causes the
MCU to exit Standby mode and a system reset signal is generated. The message shown in
Figure 58
Figure 58. RTC Alarm causes the MCU to exit the Standby mode
●
In the second case, the RTC Alarm wakes up the MCU from the Standby mode after
the programmed time has elapsed. When selecting this submenu, the user has to set
the alarm to the time when the MCU is to exit the Standby mode.
to set the wakeup time.
46/65
is displayed.
Doc ID 023892 Rev 1
UM1590
Figure 59
shows how
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