at49sv322d ATMEL Corporation, at49sv322d Datasheet - Page 25

• Manufacturer Part Number: at49sv322d
• Description: 32-megabit 2m X 16 1.8-volt Only Flash Memory
• Manufacturer: ATMEL Corporation

28. Software Product Identification
29. Software Product Identification
Notes:
25
Entry
Exit
1.
2.
3.
4.
5.
6.
AT49SV322D(T)
Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex)
Address Format: A11 - A0 (Hex), and A11 - A20
(Don’t Care).
A1 - A20 = V
Device Code is read for A0 = V
read from address 0003H.
The device does not remain in identification mode if
powered down.
The device returns to standard operation mode.
Manufacturer Code: 001FH
Device Code: 01DBH – AT49SV322D;
01D1H – AT49SV322DT.
Additional Device Code: 0001H – AT49SV322D(T)
Either one of the Product ID Exit commands can be used.
(1)(6)
IDENTIFICATION
EXIT PRODUCT
LOAD DATA AA
LOAD DATA 55
ADDRESS AAA
LOAD DATA F0
ADDRESS 555
ADDRESS 555
(1)
MODE
TO
TO
TO
(4)
IL
. Manufacturer Code is read for A0 = V
ENTER PRODUCT
IDENTIFICATION
LOAD DATA AA
ADDRESS AAA
ADDRESS 555
LOAD DATA 55
LOAD DATA 90
ADDRESS 555
MODE
OR
TO
TO
TO
(2)(3)(5)
IH
IDENTIFICATION
EXIT PRODUCT
ANY ADDRESS
LOAD DATA F0
. Additional Device Code is
MODE
TO
(4)
IL
;
30. Sector Lockdown Enable
Notes:
Algorithm
1.
2.
Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex)
Address Format: A11 - A0 (Hex), and A11 - A20
(Don’t Care).
Sector Lockdown feature enabled.
(1)
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)
3623A–FLASH–7/06