M29F002 データシートの表示（PDF） - STMicroelectronics
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M29F002 Datasheet PDF : 29 Pages
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M29F002T, M29F002NT, M29F002B
Table 4. User Bus Operations (1)
Op eration
E
G
W
RPNC (6) A0 A1 A6 A9 A12 A15
DQ0-DQ7
Read Byte
VIL
VIL
Write Byte
VIL
VIH
Output Disable VIL VIH
Standby
Reset (6)
VIH
X
X
X
VIH
VIH/NC(5) A0
A1
A6
A9 A12 A15 Data Output
VIL
VIH/NC(5) A0
A1 A6 A9 A12 A15
Data Input
VIH
VIH/NC(5) X
X
X
X
X
X
Hi-Z
X
VIH/NC(5) X
X
X
X
X
X
Hi-Z
X
VIL
X
X
X
X
X
X
Hi-Z
Block
Protection(2,4)
VIL
VID VIL Pulse VIH/NC(5) X
X
X
VID
X
X
X
Blocks
Unprotection(4)
VID
VID VIL Pulse VIH/NC(5)
X
X
X
VID
VIH
VIH
X
Block
Protection
Verify(2,4)
VIL
VIL
VIH
VIH/NC(5) VIL
VIH
VIL
VID
A12
A15
Block Protect
Status (3)
Block
Unprotection
Verify(2,4)
VIL
VIL
VIH
VIH/NC(5) VIL
VIH
VIH
VID
A12
A15
Block Protect
Status (3)
Block
Temporary
X
X
X
VID
X
X
X
X
X
X
X
Unprotection (6)
Notes: 1. X = VIL or VIH
2. Block Address must be given on A13-A17 bits.
3. See Table 6.
4. Operation performed on programming equipment.
5. RPNC can be held at VIH or left open (Not Connected).
6. Not Available on M29F002NT.
Table 5. Read Electronic Signature (following AS instruction or with A9 = VID)
Code
Device
E
G
W
A0
A1
Other
Addresses
Manufact. Code
VIL
VIL
VIH
VIL
VIL
Don’t Care
Device Code
M29F002T
M29F002NT
VIL
VIL
VIH
VIH
VIL
Don’t Care
M29F002B
VIL
VIL
VIH
VIH
VIL
Don’t Care
DQ0 - DQ7
20h
B0h
34h
Table 6. Read Block Protection with AS Instruction
Code
E
G
W
A0
A1
Protected Block
VIL
VIL
VIH
VIL
VIH
Unprotected Block
VIL
VIL
VIH
VIL
VIH
A13 - A17
Block Address
Block Address
Other
Addresses
Don’t Care
Don’t Care
DQ0 - DQ7
01h
00h
6/29
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