M29W320DB View Datasheet(PDF) - Numonyx -> Micron
Part Name
Description
MFG CO.
M29W320DB
Numonyx -> Micron
'M29W320DB' PDF : 56 Pages View PDF
M29W320DT, M29W320DB
Status Register
Table 7. Status Register Bits(1)
Operation
Address
DQ7
DQ6
DQ5 DQ3
DQ2
RB
Program
Any Address
DQ7
Toggle
0
–
–
0
Program During Erase
Suspend
Any Address
DQ7
Toggle
0
–
–
0
Program Error
Any Address
DQ7
Toggle
1
–
–
0
Chip Erase
Block Erase before
timeout
Block Erase
Erase Suspend
Erase Error
Any Address
0
Toggle
0
1
Toggle
0
Erasing Block
0
Toggle
0
0
Toggle
0
Non-Erasing Block
0
Toggle
0
0
No Toggle
0
Erasing Block
0
Toggle
0
1
Toggle
0
Non-Erasing Block
0
Toggle
0
1
No Toggle
0
Erasing Block
1
No Toggle
0
–
Toggle
1
Non-Erasing Block
Data read as normal
1
Good Block Address
0
Toggle
1
1
No Toggle
0
Faulty Block Address
0
Toggle
1
1
Toggle
0
1. Unspecified data bits should be ignored.
Figure 6. Data Polling Flowchart
START
READ DQ5 & DQ7
at VALID ADDRESS
DQ7
=
YES
DATA
NO
NO DQ5
=1
YES
READ DQ7
at VALID ADDRESS
DQ7
=
YES
DATA
NO
FAIL
PASS
AI90194
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