Atmel SAM4L-EK Atmel ATSAM4L-EK ATSAM4L-EK Data Sheet
Product codes
ATSAM4L-EK
443
42023E–SAM–07/2013
ATSAM4L8/L4/L2
18.5.8
Key Registers
Name: KEYn
Access Type: Write-only
Offset:
0x20 + (n * 0x04)
Reset Value:
0x00000000
• KEYn: Key Word n
This register stores the n
th
word of the cryptographic key.
31
30
29
28
27
26
25
24
KEYn[31:24]
23
22
21
20
19
18
17
16
KEYn[23:16]
15
14
13
12
11
10
9
8
KEYn[15:8]
7
6
5
4
3
2
1
0
KEYn[7:0]