Atmel Xplained Evaluation Board AT32UC3A3-XPLD AT32UC3A3-XPLD Data Sheet

32072H–AVR32–10/2012

Writing the value 0xE to this field allows the CTYPE field to be modified.

Writing another value to this field has no effect.

This bit always reads as zero.

Writing a one to this bit will enabled the LOD mode.

Writing a zero to this bit will disabled the LOD mode.

These mode is described in the 

0

128-bit

1

64-bit

2

32-bit

3

16-bit

4

8-bit

Others

Reserved

0

ECB: Electronic Code Book mode

1

CBC: Cipher Block Chaining mode

2

OFB: Output Feedback mode

3

CFB: Cipher Feedback mode

4

CTR: Counter mode

Others

Reserved

0

AES Key Size is 128 bits

1

AES Key Size is 192 bits

Others

AES Key Size is 256 bits