10.5.6 16/20 MHz Oscillator Calibration A

Name: OSC20MCALIBA
Offset: 0x11
Reset: Based on FREQSEL in FUSE.OSCCFG
Property: Configuration Change Protection

Bit 76543210 
  CAL20M[6:0] 
Access R/WR/WR/WR/WR/WR/WR/W 
Reset xxxxxxx 

Bits 6:0 – CAL20M[6:0] Calibration

These bits change the frequency around the current center frequency of the OSC20M for fine-tuning.

At Reset, the factory-calibrated values are loaded based on the FREQSEL bit in FUSE.OSCCFG.