m29f400b-120n6tr STMicroelectronics, m29f400b-120n6tr Datasheet - Page 24
m29f400b-120n6tr
Manufacturer Part Number
m29f400b-120n6tr
Description
4 Mbit 512kb X8 Or 256kb X16, Boot Block Single Supply Flash Memory
Manufacturer
STMicroelectronics
Datasheet
1.M29F400B-120N6TR.pdf
(40 pages)
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Status Register
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Table 6.
1. Unspecified data bits should be ignored.
Figure 4.
Program
Program During
Erase Suspend
Program Error
Chip Erase
Block Erase before
timeout
Block Erase
Erase Suspend
Erase Error
Operation
Status Register bits
Data polling flowchart
Faulty Block Address
Good Block Address
Non-Erasing Block
Non-Erasing Block
Non-Erasing Block
Erasing Block
Erasing Block
Erasing Block
Any Address
Any Address
Any Address
Any Address
Address
(1)
at VALID ADDRESS
at VALID ADDRESS
NO
READ DQ5 & DQ7
READ DQ7
START
DATA
DATA
DQ7
DQ5
DQ7
FAIL
= 1
DQ7
DQ7
DQ7
DQ7
=
=
0
0
0
0
0
1
0
0
YES
NO
NO
YES
YES
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
DQ6
No
Data read as normal
PASS
DQ5
0
0
1
0
0
0
0
0
0
1
1
AI03598
M29F400BT, M29F400BB
DQ3
–
–
–
1
0
0
1
1
–
1
1
No Toggle
No Toggle
No Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
DQ2
–
–
–
RB
0
0
0
0
0
0
0
0
1
1
0
0
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