25.5.8 Register Access Protection
Registers with write-access can be write-protected optionally by the peripheral access controller (PAC).
Note: Not all registers with write-access can be write-protected.
PAC Write-Protection is not available for the following registers:
- Interrupt Flag Status and Clear register (INTFLAG)
Optional PAC Write-Protection is denoted by the "PAC Write-Protection" property in each individual register description.