AT49F512-70PI Ver la hoja de datos (PDF) - Atmel Corporation

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AT49F512-70PI

512K (64K x 8) 5-volt Only Flash Memory

Atmel Corporation 

AT49F512

Software Product

Identification Entry(1)

LOAD DATA AA

TO

ADDRESS 5555

Boot Block

Lockout Enable Algorithm(1)

LOAD DATA AA

TO

ADDRESS 5555

LOAD DATA 55

TO

ADDRESS 2AAA

LOAD DATA 55

TO

ADDRESS 2AAA

LOAD DATA 90

TO

ADDRESS 5555

LOAD DATA 80

TO

ADDRESS 5555

ENTER PRODUCT

IDENTIFICATION

MODE(2)(3)(5)

Software Product

Identifcation Exit(1)

LOAD DATA AA

TO

OR

ADDRESS 5555

LOAD DATA F0

TO

ANY ADDRESS

LOAD DATA 55

TO

ADDRESS 2AAA

EXIT PRODUCT

IDENTIFICATION

MODE(4)

LOAD DATA F0

TO

ADDRESS 5555

EXIT PRODUCT

IDENTIFICATION

MODE(4)

Notes:

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

Address Format: A14 - A0 (Hex).

2. A1 - A15 = 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 pow-

ered down.

4. The device returns to standard operation mode.

5. Manufacturer Code: 1FH

Device Code: 03H

LOAD DATA AA

TO

ADDRESS 5555

LOAD DATA 55

TO

ADDRESS 2AAA

LOAD DATA 40

TO

ADDRESS 5555

PAUSE 1 second(2)

Notes:

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

Address Format: A14 - A0 (Hex).

2. Boot block lockout feature enabled.

9

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