AT49F080 Datasheet, PDF (10/12 Pages) ATMEL Corporation – 8-Megabit 1M x 8 5-volt Only Flash Memory

Software Product
Identification Entry⁽¹⁾
LOAD DATA AA
TO
ADDRESS 5555
Boot Block Lockout
Feature Enable Algorithm⁽¹⁾
LOAD DATA AA
TO
ADDRESS 5555
LOAD DATA 55
TO
ADDRESS 2AAA
LOAD DATA 55
TO
ADDRESS 2AAA
LOAD DATA 90
TO
ADDRESS 5555
LOAD DATA 80
TO
ADDRESS 5555
ENTER PRODUCT
IDENTIFICATION
MODE^(2)(3)(5)
LOAD DATA AA
TO
ADDRESS 5555
Software Product
Identification Exit⁽¹⁾
LOAD DATA AA
OR
TO
ADDRESS 5555
LOAD DATA F0
TO
ANY ADDRESS
LOAD DATA 55
TO
ADDRESS 2AAA
LOAD DATA 40
TO
ADDRESS 5555
LOAD DATA 55
TO
ADDRESS 2AAA
LOAD DATA F0
TO
ADDRESS 5555
EXIT PRODUCT
IDENTIFICATION
MODE⁽⁴⁾
PAUSE 1 second⁽²⁾
Notes: 1. Data Format: I/07 - I/O0 (Hex);
Address Format: A14 - A0 (Hex).
2. Boot block lockout feature enabled.
EXIT PRODUCT
IDENTIFICATION
MODE⁽⁴⁾
Notes: 1. Data Format: I/O7 - I/O0 (Hex);
Address Format: A14 - A0 (Hex).
2. A1 - A19 = V_IL.
Manufacture Code is read for A0 = V_IL;
Device Code is read for A0 = V_IH.
3. The device does not remain in identification mode if
powered down.
4. The device returns to standard operation mode.
5. Manufacturers Code: 1FH
Device Code: 23H (AT49F080), 27H (AT49F080T)
10
AT49F080/080T