at49f008a ATMEL Corporation, at49f008a Datasheet - Page 13

• Manufacturer Part Number: at49f008a
• Description: At49f008a 8-megabit 1m X 8/ 512k X 16 Flash Memory
• Manufacturer: ATMEL Corporation

Software Product Identification Entry
Software Product Identification Exit
Notes:
1199G–FLASH–11/02
1. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex).
2. A1 - A18 = V
3. The device does not remain in identification mode if
4. The device returns to standard operation mode.
5. Manufacturer Code: 001FH
6. Either one of the Product ID Exit commands can be used.
ADDRESS 2AAA
ADDRESS 5555
ADDRESS 5555
IDENTIFICATION
Address Format: A15 - A0 (Hex); A-1 and A15 - A18 (Don’t
Care).
Manufacturer Code is read for A0 = V
Device Code is read for A0 = V
powered down.
Device Code: 22H (AT49F008A); 00A0H
(AT49F8192A);
21H (AT49F008AT); 00A3H (AT49F8192AT)
EXIT PRODUCT
LOAD DATA AA
LOAD DATA F0
LOAD DATA 55
MODE
TO
TO
TO
(4)
(7)
(7)
(7)
IL
.
ADDRESS 2AAA
ADDRESS 5555
ENTER PRODUCT
ADDRESS 5555
IDENTIFICATION
LOAD DATA AA
LOAD DATA 55
LOAD DATA 90
MODE
OR
TO
TO
TO
(2)(3)(5)
(7)
(7)
(7)
IH
IDENTIFICATION
EXIT PRODUCT
ANY ADDRESS
LOAD DATA F0
.
MODE
IL
TO
.
(4)
(1)(6)
(1)
Boot Block Lockout Enable Algorithm
Notes:
1.
2.
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.
AT49F008A(T)/8192A(T)
PAUSE 1 second
ADDRESS 2AAA
ADDRESS 2AAA
ADDRESS 5555
ADDRESS 5555
ADDRESS 5555
ADDRESS 5555
LOAD DATA AA
LOAD DATA AA
LOAD DATA 55
LOAD DATA 80
LOAD DATA 55
LOAD DATA 40
TO
TO
TO
TO
TO
TO
(3)
(3)
(3)
(3)
(3)
(3)
(2)
(1)
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