AMC0XXCFLKA Datasheet, PDF (23/42 Pages) Advanced Micro Devices – 1, 2, 4, or 10 Megabyte 5.0 V-only Flash Memory PC Card

EMBEDDED ALGORITHMS
Start
Subroutine
Read Byte
(D0–D7)
Addr = X
D7 = 1?
Yes
No
No
D5 = 1?
Yes
Read Byte
(D0–D7)
Addr = X
X = Don’t Care
D7 = 1
Yes = Erase Complete
No = Erase not Complete
D5 = 1
Yes = Erase time exceeded limit, device failed
No = Erase time has not exceeded limit
D7 = 1
Yes
No
Device failed
to program
EF = 1
Device Passed
Subroutine
Return
Figure 11. Byte-Wide Software Polling Erase Subroutine
18723C-12
5/4/98
AmC0XXCFLKA
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