ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 351

• Manufacturer Part Number: ATSAM3U-EK
• Description: KIT EVAL FOR AT91SAM3U CORTEX
• Manufacturer: Atmel
• Type: MCUr

Specifications of ATSAM3U-EK

• Contents: Board
• Processor To Be Evaluated: SAM3U
• Data Bus Width: 32 bit
• Interface Type: RS-232, USB
• Operating Supply Voltage: 3 V
• Silicon Manufacturer: Atmel
• Core Architecture: ARM
• Core Sub-architecture: Cortex - M3
• Silicon Core Number: SAM3U4E
• Silicon Family Name: SAM3U
• Kit Contents: Board CD Docs
• Rohs Compliant: Yes
• For Use With/related Products: AT91SAM3U
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

24.6.6
Name:
Address:
Access:
For more details on MATRIX_WPSR, refer to
• WPVS: Write Protect Violation Status
0: No Write Protect Violation has occurred since the last write of MATRIX_WPMR.
1: At least one Write Protect Violation has occurred since the last write of MATRIX_WPMR.
• WPVSRC: Write Protect Violation Source
Should be written at value 0x4D4154 (“MAT”in ASCII). Writing any other value in this field aborts the write operation of the
WPEN bit. Always reads as 0.
The protected registers are:
6430D–ATARM–25-Mar-11
•
•
•
•
•
“Bus Matrix Master Configuration Registers”
“Bus Matrix Slave Configuration Registers”
“Bus Matrix Priority Registers For Slaves”
“Bus Matrix Master Remap Control Register”
“Bus Matrix Master Remap Control Register”
31
23
15
–
7
–
Write Protect Status Register
MATRIX_WPSR
0x400E03E8
Read-only
30
22
14
–
6
–
29
21
13
–
5
–
Section 24.5 “Write Protect Registers” on page
28
20
12
–
4
–
WPVSRC
WPVSRC
27
19
11
–
3
–
26
18
10
–
2
–
342.
SAM3U Series
25
17
–
9
1
–
WPVS
24
16
–
8
0
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