AT45DB041B
Table 4. Detailed Bit-level Addressing Sequence
Address Byte
Address Byte
Address Byte
Additional
Don’t Care
Bytes
Opcode
50H
52H
53H
54H
55H
56H
57H
58H
59H
60H
61H
68H
81H
82H
83H
84H
85H
86H
87H
88H
89H
D2H
D4H
D6H
D7H
E8H
Opcode
Required
0 1 0 1 0 0 0 0 r
0 1 0 1 0 0 1 0 r
0 1 0 1 0 0 1 1 r
0 1 0 1 0 1 0 0 x
0 1 0 1 0 1 0 1 r
0 1 0 1 0 1 1 0 x
0 1 0 1 0 1 1 1
0 1 0 1 1 0 0 0 r
0 1 0 1 1 0 0 1 r
0 1 1 0 0 0 0 0 r
0 1 1 0 0 0 0 1 r
0 1 1 0 1 0 0 0 r
1 0 0 0 0 0 0 1 r
1 0 0 0 0 0 1 0 r
1 0 0 0 0 0 1 1 r
1 0 0 0 0 1 0 0 x
1 0 0 0 0 1 0 1 r
1 0 0 0 0 1 1 0 r
1 0 0 0 0 1 1 1 x
1 0 0 0 1 0 0 0 r
1 0 0 0 1 0 0 1 r
1 1 0 1 0 0 1 0 r
1 1 0 1 0 1 0 0 x
1 1 0 1 0 1 1 0 x
1 1 0 1 0 1 1 1
1 1 1 0 1 0 0 0 r
r
r
r
P
P
P
P
P
x
P
P
P
x
P
P
P
x
P
P
P
x
P
P
P
x
P
P
P
x
P
P
P
x
x
P
x
x
x
x
x
x
x
x
x
x
x
N/A
4 Bytes
N/A
r
r
r
P
P
x
P
P
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
r
r
r
P
P
x
r
x
r
x
r
x
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
1 Byte
N/A
P
P
x
P
x
P
x
P
x
P
x
P
x
P
x
P
P
x
P
x
x
x
x
x
x
B
B
B
B
B
B
B
B
B
1 Byte
N/A
N/A
P
N/A
P
N/A
r
r
r
P
P
P
P
P
P
P
P
x
P
P
P
P
P
P
P
P
x
P
P
P
P
P
P
P
P
x
P
P
P
P
P
P
P
P
x
P
P
P
P
P
P
P
P
x
P
P
P
P
P
P
P
P
x
P
P
P
P
P
P
P
P
x
P
P
P
P
P
P
P
P
x
P
P
P
P
P
P
P
P
x
x
x
x
x
x
x
x
x
x
N/A
r
r
r
P
P
x
x
x
x
x
x
x
x
x
N/A
r
r
r
P
P
x
x
x
x
x
x
x
x
x
N/A
r
r
r
P
P
x
x
x
x
x
x
x
x
x
N/A
r
r
r
P
P
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
4 Bytes
N/A
r
r
r
P
P
r
r
r
P
P
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
N/A
r
r
r
P
P
N/A
x
r
x
r
x
r
x
x
B
B
x
B
B
x
B
B
x
B
B
x
B
B
x
B
B
x
B
B
x
B
B
x
B
B
x
N/A
P
P
P
x
P
P
x
P
P
x
P
P
x
P
P
x
P
P
x
P
P
x
P
P
P
x
P
P
x
N/A
r
r
r
P
P
N/A
x
r
x
r
x
r
x
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
B
x
N/A
P
P
P
P
x
P
P
P
x
P
P
P
x
P
P
P
x
P
P
P
x
P
P
P
x
P
P
P
x
P
P
P
P
x
P
P
P
x
N/A
r
r
r
P
P
x
x
x
x
x
x
x
x
x
N/A
r
r
r
P
P
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
4 Bytes
1 Byte
1 Byte
N/A
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
N/A
P
N/A
P
N/A
r
r
r
P
P
P
P
P
P
P
P
P
B
B
B
B
B
B
B
B
B
4 Bytes
Note:
r = Reserved Bit
P = Page Address Bit
B = Byte/Buffer Address Bit
x = Don’t Care
11
1938F–DFLSH–10/02