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ATSAM4S-XPLD
496
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
28.2.16.22PMC Write Protect Status Register
Name:
PMC_WPSR
Address:
0x400E04E8
Access:
Read-only
Reset:
See
• 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.
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.
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
7
6
5
4
3
2
1
0
–
–
–
–
–
–
–
WPVS