65
6174B–ATARM–07-Nov-05
AT91FR40162S Preliminary
11.10 Sector Lockdown Enable Algorithm
Figure 11-8. Sector Lockdown Enable Algorithm
Notes:
1.
Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex) Address Format: A11 - A0 (Hex), A-1, and A11 -
A19 (Don’t Care).
2.
Sector Lockdown feature enabled.
LOAD DATA AA
TO
ADDRESS 555
LOAD DATA 55
TO
ADDRESS AAA
LOAD DATA 80
TO
ADDRESS 555
LOAD DATA AA
TO
ADDRESS 555
LOAD DATA 55
TO
ADDRESS AAA
LOAD DATA 60
TO
SECTOR ADDRESS
PAUSE 200
µ
s
(2)