AT49BV802AT ATMEL [ATMEL Corporation], AT49BV802AT Datasheet - Page 22
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AT49BV802AT
Manufacturer Part Number
AT49BV802AT
Description
8-megabit (512K x 16/ 1M x 8) 3-volt Only Flash Memory
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT49BV802AT.pdf
(29 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT49BV802AT-70CI SL383
Manufacturer:
Atmel
Quantity:
10 000
Software Product Identification Entry
Software Product Identification Exit
Notes:
22
1. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex)
2.
3. The device does not remain in identification mode if powered
4. The device returns to standard operation mode.
5. Manufacturer Code: 1FH(x8); 001FH(x16)
6. Either one of the Product ID Exit commands can be used.
AT49BV802A(T)
IDENTIFICATION
LOAD DATA AA
EXIT PRODUCT
Address Format: A11 - A0 (Hex), A-1, and A11 - A18 (Don’t
Care).
A1 - A18 = V
Device Code is read for A0 = V
down.
Device Code:
ADDRESS AAA
LOAD DATA F0
LOAD DATA 55
ADDRESS 555
ADDRESS 555
MODE
TO
TO
TO
(4)
IL
ENTER PRODUCT
IDENTIFICATION
. Manufacturer Code is read for A0 = V
00C1H - AT49BV802A;
00C3H - AT49BV802AT.
LOAD DATA AA
ADDRESS 555
LOAD DATA 55
ADDRESS AAA
LOAD DATA 90
ADDRESS 555
MODE
OR
TO
TO
TO
(2)(3)(5)
IH
IDENTIFICATION
.
EXIT PRODUCT
LOAD DATA F0
ANY ADDRESS
MODE
TO
(4)
(1)(6)
(1)
IL
;
Sector Lockdown Enable Algorithm
Notes:
1. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex)
2. Sector Lockdown feature enabled.
Address Format: A11 - A0 (Hex), A-1, and A11 - A18
(Don’t Care).
SECTOR ADDRESS
PAUSE 200 µs
LOAD DATA AA
LOAD DATA AA
ADDRESS AAA
ADDRESS AAA
LOAD DATA 55
LOAD DATA 80
LOAD DATA 55
LOAD DATA 60
ADDRESS 555
ADDRESS 555
ADDRESS 555
TO
TO
TO
TO
TO
TO
(2)
3405C–FLASH–9/04
(1)