Datasheet

Table Of Contents
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
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23 22 21 20 19 18 17 16
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15 14 13 12 11 10 9 8
KEY
76543210
––––––RRQWRQ
Value Name Description
0xFB PASSWORD
Writing any other value in this field aborts the write operation of the WPEN bit.
Always reads as 0.