Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet
Product codes
AT91SAM9N12-EK
1019
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
45.6.8 AES Input Data Register x
Name: AES_IDATARx
Address:
0xF000C040
Access: Write-only
• IDATA: Input Data Word
The four 32-bit Input Data registers set the 128-bit data block used for encryption/decryption.
AES_IDATAR0 corresponds to the first word of the data to be encrypted/decrypted, and AES_IDATAR3 to the last one.
These registers are write-only to prevent the input data from being read by another application.
31
30
29
28
27
26
25
24
IDATA
23
22
21
20
19
18
17
16
IDATA
15
14
13
12
11
10
9
8
IDATA
7
6
5
4
3
2
1
0
IDATA