16.7.9 Frequency Correction

Table 16-10. Register Bit Attribute Legend
SymbolDescriptionSymbolDescriptionSymbolDescription
R Readable bit HC Cleared by Hardware(Grey cell)Unimplemented
W Writable bit HS Set by Hardware X Bit is unknown at Reset
K Write to clear S Software settable bit
Name: FREQCORR
Offset: 0x0C
Reset: 0x00
Property: Write-Protected, Write-Synchronized

Bit 76543210 
 SIGNVALUE[6:0] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 

Bit 7 – SIGN Correction Sign

ValueDescription
0The correction value is positive (i.e., frequency will be decreased)
1The correction value is negative (i.e., frequency will be increased)

Bits 6:0 – VALUE[6:0] Correction Value

These bits define the amount of correction applied to the RTC prescaler.

1–127: The RTC frequency is adjusted according to the value.

ValueDescription
0Correction is disabled and the RTC frequency is unchanged