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W39V040A Datasheet, PDF (11/34 Pages) Winbond – 512K × 8 CMOS FLASH MEMORY WITH LPC INTERFACE
W39V040A
Embedded #Data Polling Algorithm
Start
Read Byte
(DQ0 - DQ7)
Address = VA
No
DQ7 = Data
?
Yes
Pass
VA = Byte address for programming
= Any of the sector addresses within
the sector being erased during sector
erase operation
= Any of the page addresses within
the sector being erased during page
erase operation
= Any of the device addresses within
the chip being erased during chip
erase operation
Embedded Toggle Bit Algorithm
Start
Read Byte
(DQ0 - DQ7)
Address = Don't Care
No
DQ6 = Toggle
?
Yes
Fail
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Publication Release Date: December 19, 2002
Revision A2