Datasheet

649
42023E–SAM–07/2013
ATSAM4L8/L4/L2
24.7.20 Write Protect Status Register
Register Name:
WPSR
Access Type: Read-only
Offset: 0xE8
Reset Value: See Table 24-17
• WPVSRC: Write Protect Violation Source
If WPVS is one, this field indicates which write-protected register was unsuccessfully written to, either by address offset or code.
• WPVS: Write Protect Violation Status
0: No write protect violation has occurred since the last WPSR read.
1: A write protect violation has occurred since the last WPSR read.
Note: Reading WPSR automatically clears all fields. Writing the correct key to WPSR.WPKEY clears all fields.
31 30 29 28 27 26 25 24
--------
23 22 21 20 19 18 17 16
WPVSRC[15:8]
15 14 13 12 11 10 9 8
WPVSRC[7:0]
76543210
-------WPVS