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M29DW128F Datasheet(PDF) 51 Page - STMicroelectronics

Part # M29DW128F
Description  128 Mbit (16Mb x8 or 8Mb x16, Multiple Bank, Page, Boot Block) 3V supply Flash memory
PDF  94 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M29DW128F Datasheet(HTML) 51 Page - STMicroelectronics

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M29DW128F
Status Register
51/94
Figure 8.
Data Polling flowchart
Table 19.
Status Register bits(1)(2)
Operation
Address
DQ7
DQ6
DQ5
DQ3
DQ2
DQ1
RB
Program
Bank Address
DQ7
Toggle
0
–
–
0
0
Program During Erase
Suspend
Bank Address
DQ7
Toggle
0
–
–
–
0
Write to Buffer and
Program Abort
Bank Address
DQ7
Toggle
0
–
–
1
0
Program Error
Bank Address
DQ7
Toggle
1
–
–
–
Hi-Z
Chip Erase
Any Address
0
Toggle
0
1
Toggle
–
0
Block Erase before
timeout
Erasing Block
0
Toggle
0
0
Toggle
–
0
Non-Erasing Block
0
Toggle
0
0
No Toggle
–
0
Block Erase
Erasing Block
0
Toggle
0
1
Toggle
–
0
Non-Erasing Block
0
Toggle
0
1
No Toggle
–
0
Erase Suspend
Erasing Block
1
No Toggle
0
–
Toggle
–
Hi-Z
Non-Erasing Block
Data read as normal
–
Hi-Z
Erase Error
Good Block Address
0
Toggle
1
1
No Toggle
–
Hi-Z
Faulty Block Address
0
Toggle
1
1
Toggle
–
Hi-Z
1.
Unspecified data bits should be ignored.
2.
Figure 16 and Figure 17 describe Toggle and Alternative Toggle bits timing waveforms.
READ DQ5 & DQ7
at VALID ADDRESS
START
READ DQ7
at VALID ADDRESS
FAIL
PASS
AI07760
DQ7
=
DATA
YES
NO
YES
NO
DQ5 = 1
DQ7
=
DATA
YES
NO



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