at49bv040a ATMEL Corporation, at49bv040a Datasheet - Page 13
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at49bv040a
Manufacturer Part Number
at49bv040a
Description
At49bv040a 4-megabit 512k X 8 Single 2.7-volt Battery-voltage Flash Memory
Manufacturer
ATMEL Corporation
Datasheet
1.AT49BV040A.pdf
(18 pages)
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24. Software Product Identification
25. Software Product Identification
Notes:
3358C–FLASH–3/05
Entry
Exit
IDENTIFICATION
EXIT PRODUCT
LOAD DATA AA
ADDRESS AAA
LOAD DATA F0
LOAD DATA 55
ADDRESS 555
ADDRESS 555
1. Data Format: 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: 1FH
MODE
Address Format: A11 - A0 (Hex).
Manufacture Code is read for A0 = V
Device Code is read for A0 = V
Additional Device Code is read for address 0003H
powered down.
Device Code: 13H.
Additional Device Code: 0FH.
(1)
TO
TO
TO
(1)
(4)
ENTER PRODUCT
IDENTIFICATION
IL
LOAD DATA AA
ADDRESS AAA
LOAD DATA 55
LOAD DATA 90
ADDRESS 555
ADDRESS 555
.
MODE
OR
TO
TO
TO
(2)(3)(5)
IH
IDENTIFICATION
.
ANY ADDRESS
EXIT PRODUCT
LOAD DATA F0
MODE
IL
;
TO
(4)
26. Boot Block Lockout Feature Enable
Notes:
Algorithm
1. Data Format: I/O7 - I/O0 (Hex);
2. Boot block lockout feature enabled.
Address Format: A11 - A0 (Hex).
(1)
PAUSE 1 second
LOAD DATA AA
LOAD DATA AA
LOAD DATA 55
ADDRESS AAA
LOAD DATA 80
LOAD DATA 55
ADDRESS AAA
LOAD DATA 40
ADDRESS 555
ADDRESS 555
ADDRESS 555
ADDRESS 555
TO
TO
TO
TO
TO
TO
AT49BV040A
(2)
13