at49f2048 ATMEL Corporation, at49f2048 Datasheet - Page 10

• Manufacturer Part Number: at49f2048
• Description: 2-megabit 128k X 16 5-volt Only Flash Memory
• Manufacturer: ATMEL Corporation

Software Product
Identification Entry
Software Product
Identification Exit
Notes:
10
IDENTIFICATION
ADDRESS 2AAA
EXIT PRODUCT
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA F0
LOAD DATA 55
1.
2.
3.
4.
5.
6.
MODE
Data Format: I/O15 - I/O8 (Don’t Care);
I/O7 - I/O0 (Hex)
Address Format: A14 - A0 (Hex).
A1 - A16 = V
Manufacture Code is read for A0 = V
Device Code is read for A0 = V
The device does not remain in identification mode if
powered down.
The device returns to standard operation mode.
Manufacturer Code: 1FH
Device Code: 82H
Either one of the Product ID Exit commands can be
used.
TO
TO
TO
(4)
ENTER PRODUCT
IDENTIFICATION
ADDRESS 2AAA
ADDRESS 5555
ADDRESS 5555
LOAD DATA AA
LOAD DATA 55
LOAD DATA 90
MODE
AT49F2048
IL
.
(1)(6)
OR
TO
TO
TO
(1)
(2)(3)(5)
IDENTIFICATION
EXIT PRODUCT
LOAD DATA F0
ANY ADDRESS
IH
.
MODE
TO
IL
;
(4)
Boot Block Lockout
Enable Algorithm
Notes:
1.
2.
Data Format: I/O15 - I/O8 (Don’t Care);
I/O7 - I/O0 (Hex)
Address Format: A14 - A0 (Hex).
Boot block lockout feature enabled.
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
(1)
TO
TO
TO
TO
TO
TO
(2)