AT49F008AT datasheet(13/17 Pages) ATMEL

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AT49F008A(T)/8192A(T)

Software Product Identification Entry

(1)

Software Product Identification Exit

(1)(6)

Notes:

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).

A1 - A18 = VIL.

Manufacture Code is read for A0 = VIL;

Device Code is read for A0 = VIH.

The device does not remain in identification mode if

powered down.

The device returns to standard operation mode.

Manufacturer Code: 1FH

Device Code: 22H (AT49F008A), A0H (AT49F8192A),

21H (AT49F008AT), A3H (AT49F8192AT)

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

If the alternate pin definition is used,

5555 should be replaced with A555,

2AAA should be replaced with 5AAA.

Boot Block

Lockout Enable Algorithm(1)

Notes:

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).

Boot block lockout feature enabled.

If the alternate pin definition is used,

5555 should be replaced with A555,

2AAA should be replaced with 5AAA.

LOAD DATA AA

ADDRESS 5555(7)

LOAD DATA 55

ADDRESS 2AAA(7)

LOAD DATA 90

ADDRESS 5555(7)

ENTER PRODUCT

IDENTIFICATION

MODE(2)(3)(5)

LOAD DATA AA

ADDRESS 5555(7)

LOAD DATA 55

ADDRESS 2AAA(7)

LOAD DATA F0

ADDRESS 5555(7)

EXIT PRODUCT

IDENTIFICATION

MODE(4)

LOAD DATA F0

ANY ADDRESS

EXIT PRODUCT

IDENTIFICATION

MODE(4)

LOAD DATA AA

ADDRESS 5555(3)

LOAD DATA 55

ADDRESS 2AAA(3)

LOAD DATA 80

ADDRESS 5555(3)

LOAD DATA AA

ADDRESS 5555(3)

LOAD DATA 55

ADDRESS 2AAA(3)

LOAD DATA 40

ADDRESS 5555(3)

PAUSE 1 second(2)

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