W39L010 Datasheet, PDF (15/27 Pages) Winbond – 128K X 8 CMOS FLASH MEMORY

7.8 Boot Block Lockout Enable Flow Chart
W39L010
Boot Block Lockout
Feature Set Flow
Load data AA
to
address 5555
Load data 55
to
address 2AAA
Load data 80
to
address 5555
Load data AA
to
address 5555
Load data 55
to
address 2AAA
Load data 70
to
address 5555
70 to lcok 8K Boot Block
Load data XX
to
address 1FFFF/0
1FFFF(XX) to lock Top Boot Block
00000(XX) to lock Bottom Boot Block
Pause 2mS
Exit
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Publication Release Date: January 9, 2004
Revision A4