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STR71X CLOCK CONFIGURATIONS EASY SETUP

9 RTC

In this calculation sheet, it will be needed to enter the Prescaler, the Alarm value and the

counter value. We obtain as a result:

■

The period,

■

The frequency of the RTC counter,

■

The Alarm time out.

Figure 9. RTC calculation sheet

As an example, as shown in Figure 9:

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To configure the RTC period to 1s, just set the Prescaler to 32768;

■

To configure the Alarm time out to 1500s just set the Alarm value to 2000 and the Counter

value to 500.