LOAD DATA F0

TO

ANY ADDRESS

EXIT PRODUCT

IDENTIFICATION

OR

ENTER PRODUCT

IDENTIFICATION

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).

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: 23H (AT49BV/LV080), 27H (AT49BV/LV080T)

Software Product

Identification Entry

(1)

LOAD DATA F0

TO

ADDRESS 5555

LOAD DATA 55

TO

ADDRESS 2AAA

LOAD DATA AA

TO

ADDRESS 5555

Software Product

Identification Exit

(1)

EXIT PRODUCT

IDENTIFICATION

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. Boot block lockout feature enabled.

LOAD DATA AA

TO

ADDRESS 5555

LOAD DATA 55

TO

ADDRESS 2AAA

LOAD DATA AA

TO

ADDRESS 5555

LOAD DATA 40

TO

ADDRESS 5555

10

AT49BV/LV080