AMC0XXDFLKA Datasheet, PDF (24/46 Pages) Advanced Micro Devices – 4, 8, 20, or 32 Megabyte 5.0 Volt-only Flash Memory PC Card

EMBEDDED ALGORITHMS
Start
Subroutine
Recommend 8 µs time
out from previous data
polling
Read Byte
(D0–D7)
Addr = VA
Yes
D7 = Data?
No
No
D5 = 1?
Yes
Read Byte
(D0–D7)
Addr = VA
VA = Byte Address for Programming
No = Program time not exceeded limit
Yes = Program time exceed limit, device failed
D7 = Data ^Yes
No
Device failed
to program
EF = 1
Device Passed
EF = Error Flag
Subroutine
Return
Note:
D7 is checked even if D5 = 1 because D7 may have changed simultaneously with D5 or immediately after D5.
19521D-10
Figure 9. Byte-Wide Software Polling for Programming Subroutine
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AmC0XXDFLKA