AT49F080 datasheet(10/12 Pages) ATMEL

10 / 12 page

AT49F080/080T

Software Product

Identification Entry(1)

Software Product

Identification Exit(1)

Notes:

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

Address Format: A14 - A0 (Hex).

A1 - A19 = VIL.

Manufacture Code is read for A0 = VIL;

Device Code is read for A0 = VIH.

The device does not remain in identification mode if

powered down.

The device returns to standard operation mode.

Manufacturers Code: 1FH

Device Code: 23H (AT49F080), 27H (AT49F080T)

Boot Block Lockout

Feature Enable Algorithm(1)

Notes:

Data Format: I/07 - I/O0 (Hex);

Address Format: A14 - A0 (Hex).

Boot block lockout feature enabled.

LOAD DATA AA

ADDRESS 5555

LOAD DATA 55

ADDRESS 2AAA

LOAD DATA 90

ADDRESS 5555

ENTER PRODUCT

IDENTIFICATION

MODE(2)(3)(5)

LOAD DATA AA

ADDRESS 5555

LOAD DATA 55

ADDRESS 2AAA

LOAD DATA F0

ADDRESS 5555

EXIT PRODUCT

IDENTIFICATION

MODE(4)

LOAD DATA F0

ANY ADDRESS

EXIT PRODUCT

IDENTIFICATION

MODE(4)

LOAD DATA AA

ADDRESS 5555

LOAD DATA 55

ADDRESS 2AAA

LOAD DATA 80

ADDRESS 5555

LOAD DATA AA

ADDRESS 5555

LOAD DATA 55

ADDRESS 2AAA

LOAD DATA 40

ADDRESS 5555

PAUSE 1 second(2)

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