MBM29PL65LM-90 Datasheet, PDF (49/56 Pages) SPANSION – FLASH MEMORY CMOS 64 M (4M X 16) BIT MirrorFlashTM

MBM29PL65LM-90/10
(4) Toggle Bit Algorithm
Start
Wait 4 s after
issuing Program
command
Read DQ7 to DQ0
Addr. = "H" or "L"
*1
Read DQ7 to DQ0
Addr. = "H" or "L"
DQ6
No
= Toggle?
Yes
No _{DQ5 = 1?}
Yes
*1, *2
Read DQ7 to DQ0
Addr. = "H" or "L"
*1, *2
Read DQ7 to DQ0
Addr. = "H" or "L"
DQ6
No
= Toggle?
Yes
Program/Erase
Operation Not
Complete.Write
Reset Command
Program/Erase
Operation
Complete
*1 : Read Toggle bit twice to determine whether it is toggling.
*2 : Recheck Toggle bit because it may stop toggling as DQ5 changes to “1”.
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