W19B160BT Datasheet, PDF (30/48 Pages) Winbond – 16Mbit, 2.7~3.6 volt CMOS flash memory

W19B160BT/B DATA SHEET
8.15 Toggle Bit Algorithm
START
Read DQ7-DQ0
Read DQ7-DQ0
(Note 1)
Toggle Bit
=Toggle?
Yes
No
DQ5=1?
Yes
Read DQ7-DQ0
Twice
No
(Notes
1, 2)
Toggle Bit
=Toggle?
Yes
Program/Erase
Operation Not
Complete,Write
Reset Command
No
Program/Erase
Complete
Notes:
1.
2.
Read toggle bit twice to determine whether or not it is toggling.
Recheck toggle bit because it may stop toggling as DQ5 changes to “1.”
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