AT49BV1614A ATMEL [ATMEL Corporation], AT49BV1614A Datasheet - Page 20

• Manufacturer Part Number: AT49BV1614A
• Description: 16-megabit 1M x 16/2M x 8 3-volt Only Flash Memory
• Manufacturer: ATMEL [ATMEL Corporation]

Software Product Identification Entry
Software Product Identification Exit
Notes:
20
1.
2.
3.
4.
5.
6.
AT49BV1604A(T)/1614A(T)
IDENTIFICATION
LOAD DATA AA
EXIT PRODUCT
LOAD DATA F0
LOAD DATA 55
ADDRESS AAA
ADDRESS 555
ADDRESS 555
Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex)
Address Format: A11 - A0 (Hex), A-1, and A11 - A19 (Don’t
Care).
A1 - A19 = V
Code is read for A0 = V
Additional Device Code is read for address 0003H
The device does not remain in identification mode if
powered down.
The device returns to standard operation mode.
Manufacturer Code: 1FH(x8); 001FH(x16)
Device Code: C0H (x8) - AT49BV/LV16X4A;
Additional Device Code: C8H (x8) - AT49BV/LV16X4A(T)
Either one of the Product ID Exit commands can be used.
MODE
TO
TO
TO
(4)
IL
00C0H (x16) - AT49BV/LV16X4A;
C2H (x8) - AT49BV/LV16X4AT;
00C2H (x16) - AT49BV/LV16X4AT.
. Manufacturer Code is read for A0 = V
ENTER PRODUCT
IDENTIFICATION
LOAD DATA AA
ADDRESS 555
LOAD DATA 55
ADDRESS AAA
LOAD DATA 90
ADDRESS 555
MODE
OR
TO
TO
TO
IH
(2)(3)(5)
.
00C8H (x16) - AT49BV/LV16X4A(T)
IDENTIFICATION
EXIT PRODUCT
LOAD DATA F0
ANY ADDRESS
MODE
TO
(4)
(1)(6)
IL
; Device
(1)
Sector Lockdown Enable Algorithm
Notes:
1.
2.
Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex)
Address Format: A11 - A0 (Hex), A-1, and A11 - A19 (Don’t
Care).
Sector Lockdown feature enabled.
SECTOR ADDRESS
PAUSE 200 µs
LOAD DATA AA
LOAD DATA AA
LOAD DATA 55
ADDRESS AAA
LOAD DATA 80
LOAD DATA 55
ADDRESS AAA
LOAD DATA 60
ADDRESS 555
ADDRESS 555
ADDRESS 555
TO
TO
TO
TO
TO
TO
(2)
1411F–FLASH–03/02
(1)