Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet
Product codes
AT91SAM9N12-EK
1038
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
47.6.1 TRNG
Control
Register
Name:
TRNG_CR
Address:
0xF8048000
Access: Write-only
• ENABLE: Enables the TRNG to provide random values
0: Disables the TRNG.
1: Enables the TRNG if 0x524E47 (“RNG” in ASCII) is written in KEY field at the same time.
• KEY: Security Key.
31
30
29
28
27
26
25
24
KEY
23
22
21
20
19
18
17
16
KEY
15
14
13
12
11
10
9
8
KEY
7
6
5
4
3
2
1
0
–
–
–
–
–
–
–
ENABLE
Value
Name
Description
0x524E47
PASSWD
Writing any other value in this field aborts the write operation.