AT49F008A-70TI(2002) Ver la hoja de datos (PDF) - Atmel Corporation

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componentes Descripción

Fabricante

AT49F008A-70TI
(Rev.:2002)

8-megabit (1M x 8/512K x 16) Flash Memory

Atmel Corporation 

AT49F008A(T)/8192A(T)

Software Product Identification Entry(1) Boot Block Lockout Enable Algorithm(1)

LOAD DATA AA

TO

ADDRESS 5555(7)

LOAD DATA AA

TO

ADDRESS 5555(3)

LOAD DATA 55

TO

ADDRESS 2AAA(7)

LOAD DATA 90

TO

ADDRESS 5555(7)

ENTER PRODUCT

IDENTIFICATION

MODE(2)(3)(5)

Software Product Identification Exit(1)(6)

LOAD DATA AA

OR

TO

ADDRESS 5555(7)

LOAD DATA F0

TO

ANY ADDRESS

LOAD DATA 55

TO

ADDRESS 2AAA(7)

EXIT PRODUCT

IDENTIFICATION

MODE(4)

LOAD DATA 55

TO

ADDRESS 2AAA(3)

LOAD DATA 80

TO

ADDRESS 5555(3)

LOAD DATA AA

TO

ADDRESS 5555(3)

LOAD DATA 55

TO

ADDRESS 2AAA(3)

LOAD DATA 40

TO

ADDRESS 5555(3)

PAUSE 1 second(2)

Notes:

LOAD DATA F0

TO

ADDRESS 5555(7)

EXIT PRODUCT

IDENTIFICATION

MODE(4)

1. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex).

Address Format: A15 - A0 (Hex); A-1 and A15 - A18 (Don’t

Care).

2. A1 - A18 = VIL.

Manufacturer Code is read for A0 = VIL.

Device Code is read for A0 = VIH.

3. The device does not remain in identification mode if

powered down.

4. The device returns to standard operation mode.

5. Manufacturer Code: 001FH

Device Code: 22H (AT49F008A); 00A0H

(AT49F8192A);

21H (AT49F008AT); 00A3H (AT49F8192AT)

6. Either one of the Product ID Exit commands can be used.

Notes:

1. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex).

Address Format: A15 - A0 (Hex); A-1 and A15 - A18 (Don’t

Care).

2. Boot Block Lockout feature enabled.

13

1199G–FLASH–11/02

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