14.5.8 Register Access Protection
Certain registers cannot be modified while DIVAS is busy. The following registers are write-protected while busy:
- Control A (CTRLA14.8.1 Control A)
- Dividend (DIVIDEND14.8.3 Dividend)
- Divisor (DIVISOR14.8.4 Divisor)
- Square Root Input (SQRNUM14.8.7 Square Root Input)
Accessing these registers while protected will result in an error.