Datasheet

Table Of Contents
255
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
23.7.46 PIO Write Protection Status Register
Name: PIO_WPSR
Addresses: 0xFFFFF4E8 (PIOA), 0xFFFFF6E8 (PIOB), 0xFFFFF8E8 (PIOC), 0xFFFFFAE8 (PIOD)
Access: Read-only
Reset: See Table 23-2
WPVS: Write Protection Violation Status
0: No write protection violation has occurred since the last read of the PIO_WPSR register.
1: A write protection violation has occurred since the last read of the PIO_WPSR register. 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