Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Scheda Tecnica
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Codici prodotto
AT91SAM9N12-EK
288
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
25.5.1 Fuse
Control
Register
Name:
FUSE_CR
Address:
0xFFFFDC00
Access:
Write-only
• WRQ: Write Request
0: No effect.
1: Request the word DATA to be programmed, ignored if KEY field is not filled with 0xFB.
• RRQ: Read Request
0: No effect.
1: Requests the fuses to be read and FUSE_SRx registers are then updated. Ignored if KEY field is not filled with 0xFB.
• KEY: Password Key
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
KEY
7
6
5
4
3
2
1
0
–
–
–
–
–
–
RRQ
WRQ
Value
Name
Description
0xFB
PASSWORD
Writing any other value in this field aborts the write operation of the WPEN bit.
Always reads as 0.