M36DR432A Datasheet, PDF (34/46 Pages) STMicroelectronics – 32 Mbit 2Mb x16, Dual Bank, Page Flash Memory and 4 Mbit 256K x16 SRAM, Multiple Memory Product

M36DR432A, M36DR432B
Figure 14. Flash Data Polling Flowchart
START
READ DQ5 & DQ7
at VALID ADDRESS
DQ7
=
DATA
NO
YES
NO _DQ5
=1
YES
READ DQ7
DQ7
=
DATA
NO
YES
FAIL
PASS
AI90215
Figure 15. Flash Data Toggle Flowchart
START
READ
DQ5 & DQ6
DQ= 6
NO
TOGGLES
YES
NO _DQ5
=1
YES
READ DQ6
DQ= 6
NO
TOGGLES
YES
FAIL
PASS
AI90216
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