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AT49F040A Datasheet(PDF) 12 Page - ATMEL Corporation

Part No. AT49F040A
Description  4-megabit (512K x 8) 5-volt Only Flash Memory
Download  16 Pages
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Maker  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
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AT49F040A Datasheet(HTML) 12 Page - ATMEL Corporation

 
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AT49F040A
3359B–FLASH–10/04
Software Product Identification
Entry(1)
Software Product Identification Exit
(1)
Notes:
1. Data Format: I/O7 - I/O0 (Hex);
Address Format: A11 - A0 (Hex).
2. A1 - A18 = V
IL.
Manufacture Code is read for A0 = VIL;
Device Code is read for A0 = V
IH.
Additional Device Code is read for address 0003H
3. The device does not remain in identification mode
if powered down.
4. The device returns to standard operation mode.
5. Manufacturer Code: 1FH
Device Code: 13H
Additional Device Code: 0FH
LOAD DATA AA
TO
ADDRESS 555
LOAD DATA 55
TO
ADDRESS AAA
LOAD DATA 90
TO
ADDRESS 555
ENTER PRODUCT
IDENTIFICATION
MODE(2)(3)(5)
LOAD DATA AA
TO
ADDRESS 555
LOAD DATA 55
TO
ADDRESS AAA
LOAD DATA F0
TO
ADDRESS 555
EXIT PRODUCT
IDENTIFICATION
MODE(4)
OR
LOAD DATA F0
TO
ANY ADDRESS
EXIT PRODUCT
IDENTIFICATION
MODE(4)
Boot Block Lockout Feature Enable
Algorithm(1)
Notes:
1. Data Format: I/O7 - I/O0 (Hex);
Address Format: A11 - A0 (Hex).
2. Boot block lockout feature enabled.
LOAD DATA AA
TO
ADDRESS 555
LOAD DATA 55
TO
ADDRESS AAA
LOAD DATA 80
TO
ADDRESS 555
LOAD DATA AA
TO
ADDRESS 555
LOAD DATA 55
TO
ADDRESS AAA
LOAD DATA 40
TO
ADDRESS 555
PAUSE 1 second(2)


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