AT49F001AT datasheet(13/18 Pages) ATMEL

13 / 18 page

AT49F001A(N)(T)

3365C–FLASH–9/03

Software Product Identification

Entry(1)

Software Product Identification Exit

(1)

Notes:

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

Address Format: A14 - A0 (Hex).

2. A1 - A16 = V

IL.

Manufacture Code is read for A0 = VIL;

Device Code is read for A0 = V

IH.

Additional Device Code is read for address 0003H

3. The device does not remain in identification mode

if powered down.

4. The device returns to standard operation mode.

5. Manufacturer Code: 1FH

Device Code: 05H – AT49F001A(N),

04H – AT49F001A(N)T

Additional Device Code: 0FH (AT49F001A(N)(T).

LOAD DATA AA

ADDRESS 555

LOAD DATA 55

ADDRESS AAA

LOAD DATA 90

ADDRESS 555

ENTER PRODUCT

IDENTIFICATION

MODE(2)(3)(5)

LOAD DATA AA

ADDRESS 555

LOAD DATA 55

ADDRESS AAA

LOAD DATA F0

ADDRESS 555

EXIT PRODUCT

IDENTIFICATION

MODE(4)

LOAD DATA F0

ANY ADDRESS

EXIT PRODUCT

IDENTIFICATION

MODE(4)

Boot Block Lockout Feature Enable

Algorithm(1)

Notes:

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

Address Format: A14 - A0 (Hex).

2. Boot block lockout feature enabled.

LOAD DATA AA

ADDRESS 555

LOAD DATA 55

ADDRESS AAA

LOAD DATA 80

ADDRESS 555

LOAD DATA AA

ADDRESS 555

LOAD DATA 55

ADDRESS AAA

LOAD DATA 40

ADDRESS 555

PAUSE 1 second(2)

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