M29W400DT ST Microelectronics, M29W400DT Datasheet - Page 15

• Manufacturer Part Number: M29W400DT
• Description: 4 Mbit (512Kb x8 or 256Kb x16 / Boot Block) 3V Supply Flash Memory
• Manufacturer: ST Microelectronics

Table 5. Commands, 16-bit mode, BYTE = V
Note: X Don’t Care, PA Program Address, PD Program Data, BA Any address in the Block. All values in the table are in hexadecimal. The
Table 6. Commands, 8-bit mode, BYTE = V
Note: X Don’t Care, PA Program Address, PD Program Data, BA Any address in the Block. All values in the table are in hexadecimal. The
Read/Reset
Auto Select
Program
Unlock Bypass
Unlock Bypass
Program
Unlock Bypass Reset
Chip Erase
Block Erase
Erase Suspend
Erase Resume
Read/Reset
Auto Select
Program
Unlock Bypass
Unlock Bypass
Program
Unlock Bypass Reset
Chip Erase
Block Erase
Erase Suspend
Erase Resume
Command Interface only uses A-1; A0-A10 and DQ0-DQ7 to verify the commands; A11-A17, DQ8-DQ14 and DQ15 are Don't Care.
DQ15A-1 is A-1 when BYTE is V
Command Interface only uses A-1; A0-A10 and DQ0-DQ7 to verify the commands; A11-A17, DQ8-DQ14 and DQ15 are Don't Care.
DQ15A-1 is A-1 when BYTE is V
Command
Command
6+
6+
1
3
3
4
3
2
2
6
1
1
1
3
3
4
3
2
2
6
1
1
Addr Data
Addr Data
AAA
AAA
AAA
AAA
AAA
AAA
555
555
555
555
555
555
X
X
X
X
X
X
X
X
X
X
IL
IL
or DQ15 when BYTE is V
or DQ15 when BYTE is V
1st
1st
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
F0
A0
B0
F0
A0
B0
90
30
90
30
Addr
Addr
2AA
2AA
2AA
2AA
2AA
2AA
555
555
555
555
555
555
PA
PA
X
X
2nd
2nd
IL
IH
Data Addr
Data Addr
PD
PD
55
55
55
55
00
55
55
55
55
55
55
00
55
55
IH
IH
.
.
AAA
AAA
AAA
AAA
AAA
555
555
555
555
555
X
X
Bus Write Operations
Bus Write Operations
3rd
3rd
Data
Data
A0
A0
F0
90
20
80
80
F0
90
20
80
80
Addr Data
Addr Data
AAA
AAA
555
555
PA
PA
4th
4th
M29W400DT, M29W400DB
PD
AA
AA
PD
AA
AA
Addr
Addr
2AA
2AA
555
555
5th
5th
Data Addr
Data Addr
55
55
55
55
AAA
555
BA
BA
6th
6th
Data
Data
15/36
10
30
10
30