AT29C040A-12TI datasheet(10/11 Pages) ATMEL

Part #	AT29C040A-12TI

Description	4-Megabit 512K x 8 5-volt Only 256-Byte Sector CMOS Flash Memory

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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PAUSE 10 mS

LOAD DATA 90

TO

ADDRESS 5555

LOAD DATA 55

TO

ADDRESS 2AAA

LOAD DATA AA

TO

ADDRESS 5555

Notes for software product identification:

1. Data Format: I/O7 - I/O0 (Hex);

Address Format: A14 - A0 (Hex).

2. A1 - A18 = VIL.

Manufacture Code is read for A0 = VIL;

Device Code is read for A0 = VIH.

3. The device does not remain in identification mode if

powered down.

4. The device returns to standard operation mode.

5. Manufacturer Code: 1F

Device Code: A4

ENTER PRODUCT

IDENTIFICATION

MODE

(2, 3, 5)

Software Product

Identification Entry

(1)

PAUSE 10 mS

LOAD DATA F0

TO

ADDRESS 5555

LOAD DATA 55

TO

ADDRESS 2AAA

LOAD DATA AA

TO

ADDRESS 5555

EXIT PRODUCT

IDENTIFICATION

MODE

(4)

Software Product

Identification Exit

(1)

LOAD DATA 80

TO

ADDRESS 5555

LOAD DATA 55

TO

ADDRESS 2AAA

Boot Block Lockout

Feature Enable Algorithm

(1)

Notes for boot block lockout feature enable:

1. Data Format: I/O7 - I/O0 (Hex);

Address Format: A14 - A0 (Hex).

2. Lockout feature set on lower address boot block.

3. Lockout feature set on higher address boot block.

LOAD DATA AA

TO

ADDRESS 5555

LOAD DATA 55

TO

ADDRESS 2AAA

LOAD DATA AA

TO

ADDRESS 5555

PAUSE 10 mS

LOAD DATA FF

TO

ADDRESS FFFFFH

(3)

PAUSE 10 mS

LOAD DATA 00

TO

ADDRESS 00000H

(2)

LOAD DATA 40

TO

ADDRESS 5555

10

AT29C040A

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AT29C040A-12TI Datasheet(PDF) 10 Page - ATMEL Corporation

AT29C040A-12TI Datasheet(HTML) 10 Page - ATMEL Corporation

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