Software product identification entry(1), Software product identification exit(1), Software product identification entr y – Rainbow Electronics AT49F1025 User Manual

Page 11: Software product identification exi t

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11

AT49F1024/1025

0765I–05/01

Software Product Identification Entry

(1)

Software Product Identification Exit

(1)

Notes:

1.

Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex). Address Format: A15 - A0 (Hex); A15 (Don’t Care).

2.

A1 - A15 = V

IL

.

Manufacturer Code is read for A0 = V

IL

.

Device Code is read for A0 = V

IH

.

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: 0087H

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)

LOAD DATA AA

TO

ADDRESS 5555

LOAD DATA 55

TO

ADDRESS 2AAA

LOAD DATA F0

TO

ADDRESS 5555

EXIT PRODUCT

IDENTIFICATION

MODE

(4)

OR

LOAD DATA F0

TO

ANY ADDRESS

EXIT PRODUCT

IDENTIFICATION

MODE

(4)

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