Software product identification entry(1), Software product identification exit(1), Boot block lockout feature enable algorithm(1) – Rainbow Electronics AT49BV512 User Manual

Page 11: Software product identification entry, Software product identification exit, Boot block lockout feature enable algorith m

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11

AT49BV512

1026E–FLASH–06/02

Software Product
Identification Entry

(1)

Software Product
Identification Exit

(1)

Notes:

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

Address Format: A14 - A0 (Hex).

2. A1 - A15 = V

IL

.

Manufacture Code is read for A0 = V

IL

;

Device Code is read for A0 = V

IH

.

3. The device does note remain in identification mode if

powered down.

4. The device returns to standard operation mode.
5. Manufacturers Code: 1FH

Device Code: 03H.

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)

LOAD DATA F0

TO

ANY ADDRESS

EXIT PRODUCT

IDENTIFICATION

MODE

(4)

OR

Boot Block Lockout Feature
Enable Algorithm

(1)

Notes:

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

Address Format: A14 - A0 (Hex).

2. Boot block lockout feature enabled.

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 40

TO

ADDRESS 5555

PAUSE 1 second

(2)

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