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M29W800DB70M1 View Datasheet(PDF) - Numonyx -> Micron

Part NameDescriptionManufacturer
M29W800DB70M1 8-Mbit (1 Mbit x 8 or 512 Kbits x 16, boot block) 3 V supply flash memory Numonyx
Numonyx -> Micron Numonyx
M29W800DB70M1 Datasheet PDF : 52 Pages
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M29W800DT, M29W800DB
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
Any address
0
Toggle
0
1
Toggle
0
Block erase before
timeout
Erasing block
0
Toggle
0
Non-erasing block
0
Toggle
0
0
Toggle
0
0
No toggle
0
Block erase
Erasing block
0
Toggle
0
Non-erasing block
0
Toggle
0
1
Toggle
0
1
No toggle
0
Erase suspend
Erasing block
1
No toggle
0
Toggle
1
Non-erasing block
Data read as normal
1
Erase error
Good block address
0
Toggle
1
Faulty block address
0
Toggle
1
1
No toggle
0
1
Toggle
0
1. Unspecified data bits should be ignored.
Figure 7. 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
AI03598
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