Command interface
M29W320ET, M29W320EB
(1)(2)
Table 4.
Commands, 16-bit mode, BYTE = V
IH
Bus Write operations
3rd 4th
Addr Data Addr Data Addr Data Addr Data Addr Data Addr Data
Command
1st
2nd
5th
6th
1
3
X
F0
Read/Reset
Auto Select
555
AA
2AA
2AA
2AA
55
55
55
X
F0
90
A0
(BA)
555
3
555
AA
Program
4
3
3
555
555
555
AA
50
555
PA
PD
Double word Program
Unlock Bypass
PA0 PD0 PA1 PD1
AA
2AA
PA
55
555
20
Unlock Bypass
Program
2
X
A0
PD
Unlock Bypass Reset
Chip Erase
2
6
X
90
AA
AA
B0
30
X
00
55
55
555
2AA
2AA
555
555
80
80
555
555
AA
AA
2AA
2AA
55
55
555
BA
10
30
Block Erase
6+ 555
Erase Suspend
Erase Resume
1
1
1
3
4
BA
BA
55
Read CFI Query
Enter Extended Block
Exit Extended Block
98
555
555
AA
AA
2AA
2AA
55
55
555
555
88
90
X
00
1. X Don’t Care, PA Program Address, PD Program Data, BA Any address in the Block. All values in the table are in
hexadecimal.
2. The Command interface only uses A–1, A0-A10 and DQ0-DQ7 to verify the commands; A11-A20, DQ8-DQ14 and DQ15
are Don’t Care. DQ15A–1 is A–1 when BYTE is VIL or DQ15 when BYTE is VIH
.
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NUMONYX [ NUMONYX B.V ]
