Atmel Xplained Evaluation Board AT32UC3A3-XPLD AT32UC3A3-XPLD Data Sheet
Product codes
AT32UC3A3-XPLD
898
32072H–AVR32–10/2012
AT32UC3A3
33.5.1
Control Register
Name:
CR
Access Type:
Write-only
Offset:
0x00
Reset Value:
0x00000000
• LOADSEED: Random Number Generator Seed Loading
Writing a one to this bit will load a new seed in the embedded random number generator used for the different
countermeasures.
writing a zero to this bit has no effect.
• SWRST: Software Reset
Writing a one to this bit will reset the AES.
writing a zero to this bit has no effect.
• START: Start Processing
Writing a one to this bit will start manual encryption/decryption process.
writing a zero to this bit has no effect.
31
30
29
28
27
26
25
24
-
-
-
-
-
-
-
-
23
22
21
20
19
18
17
16
-
-
-
-
-
-
-
LOADSEED
15
14
13
12
11
10
9
8
-
-
-
-
-
-
-
SWRST
7
6
5
4
3
2
1
0
-
-
-
-
-
-
-
START