M29F100T Datasheet, PDF(7/30 Page) STMicroelectronics – 1 Mbit 128Kb x8 or 64Kb x16, Boot Block Single Supply Flash Memory

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M29F100T Datasheet, PDF (7/30 Pages) STMicroelectronics – 1 Mbit 128Kb x8 or 64Kb x16, Boot Block Single Supply Flash Memory

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M29F100T, M29F100B

Table 4. User Bus Operations (1)

Operation

EG

W

RP BYTE A0 A1 A6 A9 A12 A15

DQ15

Aâ1

DQ8-

DQ14

DQ0-DQ7

Read Word

VIL

VIL

VIH

VIH

VIH

A0

A1

A6

A9 A12 A15

Data

Output

Data

Output

Data

Output

Read Byte

VIL

VIL

VIH

VIH

VI L

A0

A1

A6

A9

A12 A15

Address

Input

Hi-Z

Data

Output

Write Word

VIL VIH

VIL

VIH

VIH

A0

A1

A6

A9 A12 A15 Data Input Data Input

Data

Input

Write Byte

VIL VIH

VIL

VIH

VI L

A0

A1

A6

A9

A12 A15

Address

Input

Hi-Z

Data

Input

Output Disable VIL VIH

VIH

VIH

X

XXXXXX

Hi-Z

Hi-Z

Hi-Z

Standby

VIH

X

X

VIH

X

XXXXXX

Hi-Z

Hi-Z

Hi-Z

Reset

XX

X

VIL

X

XXXXXX

Hi-Z

Hi-Z

Hi-Z

Block

Protection(2,4)

VIL VID VIL Pulse VIH

X

X

X

X VID X

X

X

X

X

Blocks

Unprotection( 4)

VID

VID VIL Pulse VIH

X

X

X

X

VID VIH VIH

X

X

X

Block

Protection

Verify(2,4)

VIL

VIL

VIH

VIH

X

VIL VIH VIL VID A12 A15

X

Block

X

Protect

Status (3)

Block

Unprotection

VIL

VIL

VIH

VIH

X

VIL VIH VIH VID A12 A15

X

Verify(2,4)

Block

X

Protect

Status (3)

Block

Temporary

XX

X

VID

X

XXXXXX

X

X

X

Unprotection

Notes: 1. X = VIL or VIH

2. Block Address must be given on A12-A15 bits.

3. See Table 6.

4. Operation performed on programming equipment.

Table 5. Read Electronic Signature (following AS instruction or with A9 = VID)

Org. Code

Device

E

G

W

BYTE A0

A1

Other DQ15

Addresses Aâ1

Manufact.

Word- Code

VIL VIL VIH

VIH

VIL VIL Donât Care

0

wide Device M29F100T VIL VIL VIH

VIH

VIH VIL Donât Care

0

Code M29F100B VIL VIL VIH

VIH

VIH VIL Donât Care

0

Manufact.

Code

VIL VIL VIH

VIL

VIL

VIL

Donât Care

Donât

Care

Byte-

wide Device M29F100T VIL VIL VIH

VIL

VIH

VIL

Donât Care

Donât

Care

Code

M29F100B VIL VIL VIH

VIL

VIH

VIL

Donât Care

Donât

Care

DQ8 -

DQ14

00h

00h

00h

Hi-Z

Hi-Z

Hi-Z

DQ0 -

DQ7

20h

D0h

D1h

20h

D0h

D1h

Table 6. Read Block Protection with AS Instruction

Code

E

G

W

A0

A1

Protected Block

Unprotected Block

VIL

VIL

VIH

VIL

VIH

VIL

VIL

VIH

VIL

VIH

A12 - A15

Block Address

Block Address

Oth er

Addresses

DQ0 - DQ7

Donât Care

01h

Donât Care

00h

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