Atmel Xplained Evaluation Board AT32UC3A3-XPLD AT32UC3A3-XPLD Data Sheet
Product codes
AT32UC3A3-XPLD
865
32072H–AVR32–10/2012
AT32UC3A3
31.7.18
Write Protect Mode Register
Name: WPMR
Access Type: Read/Write
Offset: 0x0E4
Reset Value:
0x00000000
• WPKEY[23:0]: Write Protection Key password
This field should be written at value 0x4D4349 (ASCII code for “MCI”).
Writing any other value in this field has no effect.
• WPEN: Write Protection Enable
1: This bit enables the Write Protection if WPKEY corresponds.
0: This bit disables the Write Protection if WPKEY corresponds.
31
30
29
28
27
26
25
24
WPKEY[23:16]
23
22
21
20
19
18
17
16
WPKEY[15:8]
15
14
13
12
11
10
9
8
WPKEY[7:0]
7
6
5
4
3
2
1
0
-
-
-
-
-
-
-
WPEN