AT49F512(1999) データシートの表示（PDF） - Atmel Corporation

部品番号

コンポーネント説明

メーカー

AT49F512
(Rev.:1999)

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

Atmel Corporation 

AT49F512

Software Product Identification Entry(1)

LOAD DATA AA

TO

ADDRESS 5555

LOAD DATA 55

TO

ADDRESS 2AAA

LOAD DATA 90

TO

ADDRESS 5555

ENTER PRODUCT

IDENTIFICATION

MODE(2)(3)(5)

Software Product Identifcation Exit(1)

LOAD DATA AA

LOAD DATA F0

TO

OR

TO

ADDRESS 5555

ANY ADDRESS

Boot Block

Lockout Enable Algorithm(1)

LOAD DATA AA

TO

ADDRESS 5555

LOAD DATA 55

TO

ADDRESS 2AAA

LOAD DATA 80

TO

ADDRESS 5555

LOAD DATA AA

TO

ADDRESS 5555

LOAD DATA 55

TO

ADDRESS 2AAA

LOAD DATA 55

TO

ADDRESS 2AAA

EXIT PRODUCT

IDENTIFICATION

MODE(4)

LOAD DATA 40

TO

ADDRESS 5555

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

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

Share Link: