2.7.1 Any Write to the RTC.CTRLA Register Resets the RTC and PIT Prescaler Counter
Any write to the RTC.CTRLA register resets the 15-bit prescaler counter. The next count occurs ½ prescaler period after the reset, resulting in a period length of 0.5 to 1.5 times the expected period, depending on when the reset occurs.
Work Around
None.
Affected Silicon Revisions
| Rev. B | Rev. C |
| X | X |