Datasheet

208
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
22.12.20 PMC Write Protect Status Register
Name: PMC_WPSR
Address: 0xFFFFFCE8
Access: Read-only
Reset: See Table 22-3
• WPVS: Write Protect Violation Status
0: No Write Protect Violation has occurred since the last read of the PMC_WPSR register.
1: A Write Protect Violation has occurred since the last read of the PMC_WPSR register. If this violation is an unauthorized
attempt to write a protected register, the associated violation is reported into field WPVSRC.
• WPVSRC: Write Protect Violation Source
When WPVS is active, this field indicates the write-protected register (through address offset or code) in which a write access has
been attempted.
Reading PMC_WPSR automatically clears all fields.
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