W39V040A Datasheet, PDF (13/34 Pages) Winbond – 512K × 8 CMOS FLASH MEMORY WITH LPC INTERFACE

Boot Block Lockout Enable Acquisition Flow
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 40/70
to
address 5555
40 to lock 64K Boot Block
70 to lcok 16K Boot Block
W39V040A
Pause T _BP
Exit
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Publication Release Date: December 19, 2002
Revision A2