Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Microchip Technology/ATSAME51J19A/ADC0/CALIB#0x0
Calibration
Bias Comparator Scaling
Bias R2R Ampli scaling
Bias Reference Buffer Scaling
https://github.com/cmsis-svd/cmsis-svd-data