M29W640FT, M29W640FB
Command interface
(1)
Table 6.
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
3
4
3
X
F0
AA
AA
AA
50
Read/Reset
555
555
555
555
2AA
2AA
2AA
55
55
55
X
F0
90
A0
Auto Select
555
555
Program
PA
PD
Double Word Program
PA0 PD0 PA1 PD1
PA0 PD0 PA1 PD1 PA2 PD2 PA3 PD3
Quadruple Word
Program
5
3
2
555
555
X
56
AA
A0
Unlock Bypass
2AA
PA
55
555
20
Unlock Bypass
Program
PD
Unlock Bypass Reset
Chip Erase
2
6
X
90
AA
AA
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
Program/Erase
Suspend
1
1
X
X
B0
30
Program/Erase
Resume
Read CFI Query
1
3
4
55
98
AA
AA
Enter Extended Block
Exit Extended Block
555
555
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. 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 ]
