Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO データシート
製品コード
ATSAM4E-XPRO
507
SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
26.8.20 DMAC Write Protect Status Register
Name:
DMAC_WPSR
Address:
0x400C01E8
Access:
Read-only
Reset:
WPVS: Write Protect Violation Status
0 = No Write Protect Violation has occurred since the last read of the DMAC_WPSR register.
1 = A Write Protect Violation has occurred since the last read of the DMAC_WPSR register. If this violation is an unauthor-
ized attempt to write a protected register, the associated violation is reported into field WPVSRC.
ized 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.
access has been attempted.
Note: Reading DMAC_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