Datasheet

13.13.2 Status A
Name: STATUSA
Offset: 0x0001
Reset: 0x00
Property: PAC Write-Protection
Bit 7 6 5 4 3 2 1 0
PERR FAIL BERR CRSTEXT DONE
Access
R/W R/W R/W R/W R/W
Reset 0 0 0 0 0
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.
This bit is set when a command that is not allowed in protected state is issued.
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.
SAM D21 Family
DSU - Device Service Unit
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 88