W39V040A Datasheet, PDF (9/34 Pages) Winbond – 512K × 8 CMOS FLASH MEMORY WITH LPC INTERFACE

Embedded Programming Algorithm
W39V040A
Start
Write Program Command Sequence
(see below)
#Data Polling/ Toggle bit
Pause T BP
Increment Address
No
Last Address
?
Yes
Programming Completed
Program Command Sequence (Address/Command):
5555H/AAH
2AAAH/55H
5555H/A0H
Program Address/Program Data
Publication Release Date: December 19, 2002
-9-
Revision A2