AT49LV1024A 데이터 시트보기 (PDF) - Atmel Corporation

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AT49LV1024A

1-megabit (64K x 16) 3-volt Only Flash Memory

Atmel Corporation 

AT49BV/LV1024A

Software Product Identification Entry(1)

LOAD DATA AA

TO

ADDRESS 555

Boot Block Lockout Enable Algorithm(1)

LOAD DATA AA

TO

ADDRESS 555

LOAD DATA 55

TO

ADDRESS AAA

LOAD DATA 90

TO

ADDRESS 555

ENTER PRODUCT

IDENTIFICATION

MODE(2)(3)(5)

Software Product Identification Exit(1)

LOAD DATA AA

OR

TO

ADDRESS 555

LOAD DATA F0

TO

ANY ADDRESS

LOAD DATA 55

TO

ADDRESS AAA

EXIT PRODUCT

IDENTIFICATION

MODE(4)

LOAD DATA F0

TO

ADDRESS 555

LOAD DATA 55

TO

ADDRESS AAA

LOAD DATA 80

TO

ADDRESS 555

LOAD DATA AA

TO

ADDRESS 555

LOAD DATA 55

TO

ADDRESS AAA

LOAD DATA 40

TO

ADDRESS 555

PAUSE 1 Second(2)

Notes:

1. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex);

Address Format: A11 - A0 (Hex); A11 - A15 (Don’t Care).

2. Boot Block Lockout feature enabled.

Notes:

EXIT PRODUCT

IDENTIFICATION

MODE(4)

1. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex);

Address Format: A11 - A0 (Hex); A11 - A15 (Don’t Care).

2. A1 - A15 = VIL.

Manufacturer 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: 001FH

Device Code: 0087H

11

3332B–FLASH–12/03

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