M29W800AT STMICROELECTRONICS [STMicroelectronics], M29W800AT Datasheet - Page 11

• Manufacturer Part Number: M29W800AT
• Description: 8 Mbit (1Mb x8 or 512Kb x16, Boot Block) Low Voltage Single Supply Flash Memory
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Table 4. User Bus Operations
Note: 1. X = V
Table 5. Read Electronic Signature (following AS instruction or with A9 = V
Table 6. Read Block Protection with AS Instruction
Read Word
Read Byte
Write Word
Write Byte
Output Disable
Stan-by
Reset
Block
Protection
Blocks
Unprotection
Block
Protection
Verify
Block
Unprotection
Verify
Block
Temporary
Unprotection
Protected Block
Unprotected Block
Word-
Org.
wide
Operation
2. Block Address must be given an A12-A18 bits.
3. See
4. Operation performed on programming equipment.
(2,4)
(2,4)
Code
Manufact.
(2,4)
Table 6., Read Block Protection with AS
Device
Code
Code
Code
IL
(4)
or V
IH
V
V
V
V
V
V
V
V
V
V
E
X
X
.
IH
ID
IL
IL
IL
IL
IL
IL
IL
IL
M29W800AT
M29W800AB
V
V
V
V
V
V
V
V
V
G
X
X
X
IH
IH
IH
ID
ID
IL
IL
IL
IL
Device
V
V
E
IL
IL
V
V
IL
IL
V
V
V
V
V
V
V
W
Pulse V
Pulse V
X
X
X
IH
IH
IH
IH
IH
IL
IL
(1)
V
V
G
IL
IL
V
V
V
E
V
V
V
V
V
V
V
V
V
RP BYTE
V
IL
IL
IL
IH
IH
IH
IH
IH
IH
IH
IH
IH
IH
ID
IL
V
V
V
V
V
W
G
Instruction.
IH
IH
V
V
V
V
IL
IL
IL
X
X
X
X
X
X
X
X
IH
IH
IL
IL
V
V
V
W
V
V
A0
A0
A0
A0
A0
IH
IH
IH
V
V
X
X
X
X
X
X
A0
IL
IL
IL
IL
BYTE
V
V
A1
A1
A1
A1
A1
X
X
X
X
X
X
V
V
V
IH
IH
IH
IH
IH
V
V
A1
V
A6
V
A6
A6
A6
A6
IH
IH
X
X
X
X
X
X
IH
IL
V
V
A0
V
IH
IH
IL
V
V
V
V
A9 A12 A15
A9
A9
A9
A9
X
X
X
X
ID
ID
ID
ID
Block Address
Block Address
A1
V
V
V
A12
A12
A12
A12
A12
A12
V
A12-A18
X
X
X
X
X
IL
IL
IL
IH
Addresses
Don’t Care
Don’t Care
Don’t Care
A15
A15
A15
A15
A15
A15
V
M29W800AT, M29W800AB
X
X
X
X
X
IH
Other
Status
Status
Protect
Protect
Output
Output
Block
Block
DQ0-
Input
Input
Data
Data
Data
Data
DQ7
Hi-Z
Hi-Z
Hi-Z
ID
X
X
X
Addresses
Don’t Care
Don’t Care
)
(3)
(3)
Other
DQ0-
DQ7
D7h
5Bh
20h
Output
DQ14
DQ8-
Input
Data
Data
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
X
X
X
X
X
DQ14
DQ8-
00h
00h
00h
DQ0-DQ7
Address
Address
01h
00h
Output
DQ15
Input
Input
Input
Data
Data
Hi-Z
Hi-Z
Hi-Z
A–1
DQ15
A–1
X
X
X
X
X
11/40
0
0
0