Datasheet

296
SAM9X35 [DATASHEET]
11055E–ATARM–10-Mar-2014
25.7.8 Write Protection Status Register
Name: MATRIX_WPSR
Address: 0xFFFFDFE8
Access: Read-only
• WPVS: Write Protection Violation Status
0: No write protection violation has occurred since the last read of the MATRIX_WPSR.
1: A write protection violation has occurred since the last read of the MATRIX_WPSR. If this violation is an unauthorized attempt
to write a protected register, the associated violation is reported into field WPVSRC.
• WPVSRC: Write Protection Violation Source
When WPVS = 1, WPVSRC indicates the register address offset at which a write access has been attempted.
31 30 29 28 27 26 25 24
––––––––
23 22 21 20 19 18 17 16
WPVSRC
15 14 13 12 11 10 9 8
WPVSRC
76543210
–––––––WPVS