at52br3224 ATMEL Corporation, at52br3224 Datasheet - Page 27

• Manufacturer Part Number: at52br3224
• Description: Single Plane Flash Combined With Sram
• Manufacturer: ATMEL Corporation

Software Product Identification Entry
Software Product Identification Exit
Notes:
1682A–10/01
1.
2.
3.
4.
5.
6.
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 - A20 (Don’t
Care).
A1 - A20 = V
Device Code is read for A0 = V
The device does not remain in identification mode if pow-
ered down.
The device returns to standard operation mode.
Manufacturer Code: 001FH(x16)
Device Code: 00C8 - AT52BR3224/3228.
Either one of the Product ID Exit commands can be used.
MODE
TO
TO
TO
(4)
00C9H - AT52BR3224T/3228T.
IL
ENTER PRODUCT
IDENTIFICATION
. Manufacturer Code is read for A0 = V
LOAD DATA AA
ADDRESS 555
LOAD DATA 55
ADDRESS AAA
LOAD DATA 90
ADDRESS 555
MODE
OR
TO
TO
TO
(2)(3)(5)
IH
IDENTIFICATION
EXIT PRODUCT
.
LOAD DATA F0
ANY ADDRESS
MODE
TO
(4)
(1)(6)
(1)
IL
;
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 - A20
(Don’t Care).
Sector Lockdown feature enabled.
AT52BR3224(T)/3228(T)
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)
(1)
27