29C256 데이터 시트보기 (PDF) - Atmel Corporation

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29C256

256K (32K x 8) 5-volt Only Flash Memory

Atmel Corporation 

Software Product Identification Entry(1)

LOAD DATA AA

TO

ADDRESS 5555

Software Product Identification Exit(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 F0

TO

ADDRESS 5555

PAUSE 10 mS

ENTER PRODUCT

IDENTIFICATION

MODE(2)(3)(5)

Notes:

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

Address Format: A14 - A0 (Hex).

2. A1 - A14 = 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 is 1F. The Device Code is DC.

PAUSE 10 mS

EXIT PRODUCT

IDENTIFICATION

MODE(4)

12 AT29C256

0046P–FLASH–10/04

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