at49bv4096 ATMEL Corporation, at49bv4096 Datasheet - Page 10

• Manufacturer Part Number: at49bv4096
• Description: 4-megabit 256k X 16 3-volt Only Flash Memory
• Manufacturer: ATMEL Corporation

Software Product Identification Entry
Software Product Identification Exit
Notes for software product identification:
1. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0
2. A1 - A17 = V
3. The device does not remain in identification mode if
4. The device returns to standard operation mode.
5. Manufacturer Code: 1FH
6. Either one of the Product ID Exit commands can be
10
(Hex)
Address Format: A14 - A0 (Hex).
Manufacture Code is read for A0 = V
Device Code is read for A0 = V
powered down.
Device Code: 82H
used.
IDENTIFICATION
ADDRESS 2AAA
EXIT PRODUCT
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA 55
LOAD DATA F0
MODE
TO
TO
TO
AT49BV/LV4096
(4)
IL
.
ENTER PRODUCT
IDENTIFICATION
ADDRESS 2AAA
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA 55
LOAD DATA 90
OR
MODE
TO
TO
TO
(2)(3)(5)
IDENTIFICATION
EXIT PRODUCT
LOAD DATA F0
ANY ADDRESS
IH
MODE
TO
(4)
IL
;
(1)(6)
(1)
Boot Block Lockout
Enable Algorithm
Notes for boot block lockout feature enable:
1. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0
2. Boot block lockout feature enabled.
(Hex)
Address Format: A14 - A0 (Hex).
PAUSE 1 second
ADDRESS 2AAA
ADDRESS 2AAA
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA 55
LOAD DATA 80
LOAD DATA 55
LOAD DATA 40
(1)
TO
TO
TO
TO
TO
TO
(2)