m29dw324d Numonyx, m29dw324d Datasheet - Page 20
m29dw324d
Manufacturer Part Number
m29dw324d
Description
32 Mbit 4mb X8 Or 2mb X16, Dual Bank 16 16, Boot Block 3v Supply Flash Memory
Manufacturer
Numonyx
Datasheet
1.M29DW324D.pdf
(50 pages)
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M29DW324DT, M29DW324DB
Table 8. Status Register Bits
Note: Unspecified data bits should be ignored.
Figure 7. Data Polling Flowchart
20/50
Program
Program During Erase
Suspend
Program Error
Chip Erase
Block Erase before
timeout
Block Erase
Erase Suspend
Erase Error
Operation
at VALID ADDRESS
at VALID ADDRESS
NO
READ DQ5 & DQ7
READ DQ7
START
DATA
DATA
DQ7
DQ5
DQ7
FAIL
= 1
=
=
YES
Faulty Block Address
NO
NO
Good Block Address
Non-Erasing Block
Non-Erasing Block
Non-Erasing Block
Bank Address
Bank Address
Bank Address
Erasing Block
Erasing Block
Erasing Block
Any Address
YES
YES
Address
PASS
AI90194
DQ7
DQ7
DQ7
DQ7
0
0
0
0
1
0
0
0
Figure 8. Toggle Flowchart
Note: BA = Address of Bank being Programmed or Erased.
No Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
DQ6
Data read as normal
DQ5
NO
0
0
1
0
0
0
0
0
0
1
1
ADDRESS = BA
ADDRESS = BA
ADDRESS = BA
DQ5 & DQ6
READ DQ6
READ DQ6
TOGGLE
TOGGLE
START
TWICE
READ
DQ6
DQ5
DQ6
FAIL
= 1
=
=
DQ3
YES
YES
YES
–
–
–
1
0
0
1
1
–
1
1
No Toggle
No Toggle
No Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
DQ2
–
–
–
NO
NO
PASS
AI08929b
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
RB
0
0
0
0
0
0
0