Software product identification entry(1), Software product identification exit(1), Software product identification entr y – Rainbow Electronics AT49F1025 User Manual
Page 11: Software product identification exi t
11
AT49F1024/1025
0765I–05/01
Software Product Identification Entry
Software Product Identification Exit
Notes:
1.
Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex). Address Format: A15 - A0 (Hex); A15 (Don’t Care).
2.
A1 - A15 = V
IL
.
Manufacturer 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.
Manufacturer Code: 001FH
Device Code: 0087H
LOAD DATA AA
TO
ADDRESS 5555
LOAD DATA 55
TO
ADDRESS 2AAA
LOAD DATA 90
TO
ADDRESS 5555
ENTER PRODUCT
IDENTIFICATION
MODE
(2)(3)(5)
LOAD DATA AA
TO
ADDRESS 5555
LOAD DATA 55
TO
ADDRESS 2AAA
LOAD DATA F0
TO
ADDRESS 5555
EXIT PRODUCT
IDENTIFICATION
MODE
(4)
OR
LOAD DATA F0
TO
ANY ADDRESS
EXIT PRODUCT
IDENTIFICATION
MODE
(4)