16.12.2 Status A
| Name: | STATUSA |
| Offset: | 0x0001 |
| Reset: | 0x00 |
| Property: | PAC Write-Protection |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| BREXT | PERR | FAIL | BERR | CRSTEXT | DONE | ||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | |||
| Reset | 0 | 0 | 0 | 0 | 0 | 0 |
Bit 5 – BREXT Boot ROM Phase Extension
Writing a '0' to this bit has no effect.
Writing a '1' to this bit clears the Boot ROM Phase Extension bit.
This bit is set when a debug adapter Cold-Plugging is detected, which extends the Boot ROM phase.
Bit 4 – PERR Protection Error
Writing a '0' to this bit has no effect.
Writing a '1' to this bit clears the Protection Error bit.
- A reserved address
- CTRL, ADDR, LENGTH, DATA, CFG from the external address space when DAL<2
- The internal address space with a Non-Secure access (security violation) (SAM L11 only)
Bit 3 – FAIL Failure
Writing a '0' to this bit has no effect.
Writing a '1' to this bit clears the Failure bit.
This bit is set when a DSU operation failure is detected.
Bit 2 – BERR Bus Error
Writing a '0' to this bit has no effect.
Writing a '1' to this bit clears the Bus Error bit.
This bit is set when a bus error is detected.
Bit 1 – CRSTEXT CPU Reset Phase Extension
Writing a '0' to this bit has no effect.
Writing a '1' to this bit clears the CPU Reset Phase Extension bit.
This bit is set when a debug adapter Cold-Plugging is detected, which extends the CPU reset phase.
Bit 0 – DONE Done
Writing a '0' to this bit has no effect.
Writing a '1' to this bit clears the Done bit.
This bit is set when a DSU operation is completed.