17.4.5 Prescaler

This register should only be written when the RTC is stopped— when the control register bit 0 reads as a '0'.

Table 17-9. Prescaler
Bit Number Name R/W Reset Value Description
[25:0] Prescaler R/W 0 The value by which the incoming clock is divided is set in the Prescaler. It should be set so as to achieve 1 Hz from the incoming RTC clock.

Value: Clock Frequency – 1

Value must be greater than 1.