Registers with write-access can be optionally write-protected by
the Peripheral Access Controller (PAC), except the following:
- Interrupt Flag register (INTFLAG)
- Status register (STATUS)
- Period and Period Buffer registers (PER,
PERB)
- Compare/Capture and Compare/Capture
Buffer registers (CCx, CCBx)
- Control Waveform register (WAVE)
- Control Waveform Buffer register (WAVEB)
- Pattern Generation Value and Pattern
Generation Value Buffer registers (PATT, PATTB)
Note: Optional
write-protection is indicated by the "PAC Write-Protection" property in the register
description.
When the CPU is halted in debug mode, all write-protection is
automatically disabled. Write-protection does not apply for accesses through an external
debugger.