M29W640FB STMICROELECTRONICS [STMicroelectronics], M29W640FB Datasheet - Page 28

• Manufacturer Part Number: M29W640FB
• Description: 64 Mbit (8Mb x8 or 4Mb x16, Page, Boot Block) 3V Supply Flash Memory
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

4 Command Interface
Table 6.
1. X Don’t Care, PA Program Address, PD Program Data, BA Any address in the Block. All values in the table are in
28/72
Read/Reset
Auto Select
Program
Double Byte
Program
Quadruple
Byte Program
Octuple Byte
Program
Unlock
Bypass
Unlock
Bypass
Program
Unlock
Bypass Reset
Chip Erase
Block Erase
Program/
Erase
Suspend
Program/
Erase
Resume
Read CFI
Query
Enter
Extended
Block
Exit Extended
Block
Command
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 V
1
3
3
4
3
5
9
3
2
2
6
6
+
1
1
1
3
4
Commands, 8-bit mode, BYTE = V
Add
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AA
X
X
X
X
X
1st
Data
AA
AA
AA
AA
AA
AA
AA
8B
A0
AA
B0
F0
50
56
90
30
98
Add
PA0
PA0
PA0
555
555
555
555
555
555
555
555
PA
X
2nd
Data
PD0
PD0
PD0
PD
55
55
55
55
00
55
55
55
55
AAA
AAA
AAA
AAA
Add
AAA
AAA
AAA
PA1
PA1
PA1
X
3rd
Data
PD1
PD1
PD1
F0
A0
20
80
88
90
90
80
IL
or DQ15 when BYTE is V
AAA
AAA
Add
PA2
PA2
PA2
PA
X
4th
IL
Data
PD2
PD2
PD2
PD
AA
AA
00
Bus Write Operations
Add
PA3
PA3
555
555
5th
Data
PD3
PD3
55
55
Add
AAA
PA4
IH
BA
.
6th
Data
PD4
10
30
M29W640FT, M29W640FB
Add
PA5
7th
Data
PD5
Add
PA6
8th
Data
PD6
Add
PA7
9th
Data
PD7