Data Sheet

262
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181G–SAM-D21_Datasheet–09/2015
18.8.19 Frequency Correction
Name: FREQCORR
Offset: 0x0C
Reset: 0x00
Property: Write-Protected, Write-Synchronized
z Bit 7 – SIGN: Correction Sign
0: The correction value is positive, i.e., frequency will be increased.
1: The correction value is negative, i.e., frequency will be decreased.
z Bits 6:0 – VALUE[6:0]: Correction Value
These bits define the amount of correction applied to the RTC prescaler.
0: Correction is disabled and the RTC frequency is unchanged.
1–127: The RTC frequency is adjusted according to the value.
Bit 76543210
SIGN VALUE[6:0]
AccessR/WR/WR/WR/WR/WR/WR/WR/W
Reset00000000