AT52BR1672-85CI ATMEL [ATMEL Corporation], AT52BR1672-85CI Datasheet - Page 21

• Manufacturer Part Number: AT52BR1672-85CI
• Description: 16-megabit Flash and 2-megabit/ 4-megabit SRAM Stack Memory
• Manufacturer: ATMEL [ATMEL Corporation]

Software Product Identification Entry
Software Product Identification Exit
Notes:
2604B–STKD–09/02
1. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex)
2.
3. The device does not remain in identification mode if powered
4. The device returns to standard operation mode.
5. Manufacturer Code: 001FH.
6. Either one of the Product ID Exit commands can be used.
IDENTIFICATION
LOAD DATA AA
EXIT PRODUCT
ADDRESS AAA
LOAD DATA F0
LOAD DATA 55
ADDRESS 555
ADDRESS 555
Address Format: A11 - A0 (Hex) and A11 - A19 (Don’t Care).
A1 - A19 = V
Device Code is read for A0 = V
Additional Device Code is read for address 0003H
down.
Device Code: 00C2H (Top Boot); 00C0H (Bottom Boot).
Additional Device Code: 00C8H.
MODE
TO
TO
TO
(4)
IL
ENTER PRODUCT
IDENTIFICATION
LOAD DATA AA
. Manufacturer Code is read for A0 = V
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. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex)
2. Sector Lockdown feature enabled.
Address Format: A11 - A0 (Hex) and A11 - A19 (Don’t
Care).
AT52BR1672(T)/1674(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)
21