ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 540

Manufacturer Part Number

KIT EVAL FOR AT91SAM3U CORTEX

Manufacturer

Processor To Be Evaluated

Data Bus Width

Interface Type

Operating Supply Voltage

Silicon Manufacturer

Core Architecture

Core Sub-architecture

Silicon Core Number

Silicon Family Name

Kit Contents

Board CD Docs

Rohs Compliant

For Use With/related Products

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Manufacturer

Part Number:

Manufacturer:

• WPVS: Write Protect Violation Status

0 = No Write Protect Violation has occurred since the last read of the PIO_WPSR register.

1 = A Write Protect 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 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 PIO_WPSR automatically clears all fields.

SAM3U Series

PIO Write Protect Status Register

0x400E0CE8 (PIOA), 0x400E0EE8 (PIOB), 0x400E10E8 (PIOC)

6430D–ATARM–25-Mar-11