at29lv256 ATMEL Corporation, at29lv256 Datasheet - Page 12

• Manufacturer Part Number: at29lv256
• Description: At29lv256 256k 32k X 8 , 3-volt Read And 3-volt Write Flash
• Manufacturer: ATMEL Corporation

22. Programming Algorithm
Notes:
23. Software Product Identification
Notes:
0563E–FLASH–2/07
Entry
SECTOR (64 BYTES)
1. Data Format: I/O7 - I/O0 (Hex);
2. Data Protect state will be re-activated at
3. 64 bytes of data MUST BE loaded.
1. Data Format: I/O7 - I/O0 (Hex);
2. A1 - A14 = V
3. The device does not remain in identification mode if
4. The device returns to standard operation mode.
5. Manufacturer Code is 1F. The Device Code is BC.
ADDRESS 2AAA
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA A0
LOAD DATA 55
LOAD DATA
Address Format: A14 - A0 (Hex).
end of program cycle.
Address Format: A14 - A0 (Hex).
V
powered down.
TO
TO
TO
TO
IL
(1)
; Device Code is read for A0 = V
ADDRESS 2AAA
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA 55
LOAD DATA 90
PAUSE 20 mS
(3)
TO
TO
TO
WRITES ENABLED
ENTER DATA
PROTECT STATE
IL
. Manufacturer Code is read for A0 =
ENTER PRODUCT
IDENTIFICATION
MODE
(2)
(2)(3)
(1)
IH
.
24. Software Product Identification
Exit
(1)
ADDRESS 2AAA
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA 55
LOAD DATA F0
PAUSE 20 mS
TO
TO
TO
EXIT PRODUCT
IDENTIFICATION
MODE
AT29LV256
(4)
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