m29f002b-70p6tr STMicroelectronics, m29f002b-70p6tr Datasheet - Page 10

• Manufacturer Part Number: m29f002b-70p6tr
• Description: 2 Mbit 256kb X8, Boot Block Single Supply Flash Memory
• Manufacturer: STMicroelectronics

Table 8. Status Register Bits
Note: Unspecified data bits should be ignored.
M29F002BT, M29F002BB, M29F002BNT, M29F002BNB
Figure 4. Data Polling Flowchart
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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
FAIL
DQ7
DQ5
DQ7
= 1
=
=
YES
NO
NO
YES
YES
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
PASS
AI03598
Figure 5. Data Toggle Flowchart
DQ7
DQ7
DQ7
DQ7
0
0
0
0
0
1
0
0
No Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
DQ6
Data read as normal
NO
DQ5 & DQ6
READ DQ6
READ DQ6
TOGGLE
TOGGLE
START
TWICE
READ
FAIL
DQ6
DQ5
DQ6
= 1
DQ5
=
=
0
0
1
0
0
0
0
0
0
1
1
YES
YES
YES
NO
NO
DQ3
–
–
–
1
0
0
1
1
–
1
1
PASS
AI01370B
No Toggle
No Toggle
No Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
DQ2
–
–
–