AT45CS1282 [Preliminary]
Table 4. Detailed Bit-level Addressing Sequence
Address Byte
Address Byte
Address Byte
Address Byte
Additional
Don’t Care
Opcode
Opcode
Bytes*
50h
53h
0 1 0 1 0 0 0 0
0 1 0 1 0 0 1 1
x x x x x x x P
x x x x x x x P
P P P P P P P P P P x x x x x x
P P P P P P P P P P P P P x x x
x x x x x x x x
x x x x x x x x
N/A
N/A
54h
0 1 0 1 0 1 0 0
x x x x x x x x
x x x x x x x x
x x x x x B B B B B B B B B B B
2*
55h
0 1 0 1 0 1 0 1
x x x x x x x P
P P P P P P P P P P P P P x x x
x x x x x x x x
N/A
56h
0 1 0 1 0 1 1 0
x x x x x x x x
x x x x x x x x
x x x x x B B B B B B B B B B B
2*
60h
61h
0 1 1 0 0 0 0 0
0 1 1 0 0 0 0 1
x x x x x x x P
x x x x x x x P
P P P P P P P P P P P P P x x x
P P P P P P P P P P P P P x x x
x x x x x x x x
x x x x x x x x
N/A
N/A
77h
0 1 1 1 0 1 1 1
x x x x x x x x
x x x x x x x x
x x x x x B B B B B B B B B B B
3 or 19*
7Ch
0 1 1 1 1 1 0 0
x x x x x x x P
P P P P P x x x
x x x x x x x x
x x x x x x x x
N/A
84h
87h
1 0 0 0 0 1 0 0
1 0 0 0 0 1 1 1
x x x x x x x x
x x x x x x x x
x x x x x x x x
x x x x x x x x
x x x x x B B B B B B B B B B B
x x x x x B B B B B B B B B B B
N/A
N/A
88h
89h
98h
99h
1 0 0 0 1 0 0 0
1 0 0 0 1 0 0 1
1 0 0 1 1 0 0 0
1 0 0 1 1 0 0 1
x x x x x x x P
x x x x x x x P
x x x x x x x P
x x x x x x x P
P P P P P P P P P P P P P x x x
P P P P P P P P P P P P P x x x
P P P P P P P P P P P P P x x x
P P P P P P P P P P P P P x x x
x x x x x x x x
x x x x x x x x
x x x x x x x x
x x x x x x x x
N/A
N/A
N/A
N/A
9Ah
9Fh
1 0 0 1 1 0 1 0
1 0 0 1 1 1 1 1
x x x x x x x x
N/A
x x x x x x x x
N/A
x x x x x x x x
N/A
x x x x x x x x
N/A
N/A
N/A
D2h
1 1 0 1 0 0 1 0
x x x x x x x P
P P P P P P P P P P P P P B B B B B B B B B B B
3 or 19*
D4h
D6h
1 1 0 1 0 1 0 0
1 1 0 1 0 1 1 0
x x x x x x x x
x x x x x x x x
x x x x x x x x
x x x x x x x x
x x x x x B B B B B B B B B B B
x x x x x B B B B B B B B B B B
1
1
D7h
1 1 0 1 0 1 1 1
N/A
N/A
N/A
N/A
1/0 or 1*
E8h
1 1 1 0 1 0 0 0
x x x x x x x P
P P P P P P P P P P P P P B B B B B B B B B B B
3 or 19*
Notes:
P = Page Address Bit
B = Byte/Buffer Address Bit
x = Don’t Care
*The number with (*) is for 8-bit interface.
13
3447A–DFLSH–2/04
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