at49bv008a ATMEL Corporation, at49bv008a Datasheet - Page 15

• Manufacturer Part Number: at49bv008a
• Description: 8-megabit 1m X 8/ 512k X 16 Flash Memory
• Manufacturer: ATMEL Corporation

Software Product Identification Entry
Software Product Identification Exit
Notes:
1049K–FLASH–11/02
1.
2.
3.
4.
5. Manufacturer Code: 001FH
6.
7. If the alternate pin definition is used,
ADDRESS 2AAA
ADDRESS 5555
ADDRESS 5555
IDENTIFICATION
EXIT PRODUCT
LOAD DATA AA
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 = V
Manufacturer Code is read for A0 = V
Device Code is read for A0 = V
The device does not remain in identification mode if pow-
ered down.
The device returns to standard operation mode.
Device Code: 22H (AT49BV/LV008A);
00A0H (AT49BV/LV8192A); 21H (AT49BV/LV008AT);
00A3H (AT49BV/LV8192AT)
Either one of the Product ID Exit commands can be used.
5555 should be replaced with A555,
2AAA should be replaced with 5AAA.
LOAD DATA F0
LOAD DATA 55
MODE
TO
TO
TO
(4)
IL
(7)
(7)
(7)
.
ADDRESS 2AAA
ENTER PRODUCT
ADDRESS 5555
ADDRESS 5555
IDENTIFICATION
LOAD DATA AA
LOAD DATA 55
LOAD DATA 90
MODE
TO
TO
TO
OR
(2)(3)(5)
(7)
(7)
(7)
IDENTIFICATION
IH
EXIT PRODUCT
LOAD DATA F0
ANY ADDRESS
.
MODE
TO
IL
;
(4)
(1)(6)
(1)
Boot Block Lockout Enable
Algorithm
Notes:
AT49BV/LV008A(T)/8192A(T)
1.
2.
3. If the alternate pin definition is used,
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.
5555 should be replaced with A555,
2AAA should be replaced with 5AAA.
(1)
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)
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