Datasheet

898

32072H–AVR32–10/2012

AT32UC3A3

33.5.1 Control Register

Name:

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

76543210

-------START