ATtiny1624/1626/1627

OSC20MCALIBA

20 MHz Oscillator Calibration A

  0x11 8 Configuration Change Protection Based on FREQSEL in FUSE.OSCCFG    

20 MHz Oscillator Calibration A

Bit  7 6 5 4 3 2 1 0  
    CAL20M[6:0]  
Access    R/W R/W R/W R/W R/W R/W R/W  
Reset    x x x x x x x  

Bits 6:0 – CAL20M[6:0]: Calibration

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.