M29W320 ST Microelectronics, M29W320 Datasheet - Page 21

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M29W320

Manufacturer Part Number
M29W320
Description
32 Mbit 4Mb x8 or 2Mb x16 / Boot Block 3V Supply Flash Memory
Manufacturer
ST Microelectronics
Datasheet

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Figure 7. Data Polling Flowchart
at VALID ADDRESS
at VALID ADDRESS
NO
READ DQ5 & DQ7
READ DQ7
START
DATA
DATA
DQ7
DQ5
DQ7
FAIL
= 1
=
=
YES
NO
NO
YES
YES
PASS
AI90194
Figure 8. Data Toggle Flowchart
NO
M29W320DT, M29W320DB
DQ5 & DQ6
READ DQ6
READ DQ6
TOGGLE
TOGGLE
START
TWICE
READ
FAIL
DQ6
DQ5
DQ6
= 1
=
=
YES
YES
YES
NO
NO
PASS
AI01370C
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