User Manual
11
AT45DB161B
2224E–DFLSH–10/02
Note: r = Rese rved Bit
P = Page Address Bit
B = Byte/Buffer Address Bit
x = Don’t Care
Table 4. Detailed Bit-level Addressing Sequence
Opcode Opcode
Address Byte Address Byte Address Byte
Additional
Don’t Care
Bytes
Required
50H 01010000r r PPPPPPPPPxxxxxxxxxxxxx N/A
52H 01010010r r PPPPPPPPPPPPBBBBBBBBBB 4 Bytes
53H 01010011r r PPPPPPPPPPPPxxxxxxxxxx N/A
54H 01010100xxxxxxxxxxxxxxBBBBBBBBBB 1 Byte
55H 01010101r r PPPPPPPPPPPPxxxxxxxxxx N/A
56H 01010110xxxxxxxxxxxxxxBBBBBBBBBB 1 Byte
57H 01010111 N/A N/A N/A N/A
58H 01011000r r PPPPPPPPPPPPxxxxxxxxxx N/A
59H 01011001r r PPPPPPPPPPPPxxxxxxxxxx N/A
60H 01100000r r PPPPPPPPPPPPxxxxxxxxxx N/A
61H 01100001r r PPPPPPPPPPPPxxxxxxxxxx N/A
68H 01101000r r PPPPPPPPPPPPBBBBBBBBBB 4 Bytes
81H 10000001r r PPPPPPPPPPPPxxxxxxxxxx N/A
82H 10000010r r PPPPPPPPPPPPBBBBBBBBBB N/A
83H 10000011r r PPPPPPPPPPPPxxxxxxxxxx N/A
84H 10000100xxxxxxxxxxxxxxBBBBBBBBBB N/A
85H 10000101r r PPPPPPPPPPPPBBBBBBBBBB N/A
86H 10000110r r PPPPPPPPPPPPxxxxxxxxxx N/A
87H 10000111xxxxxxxxxxxxxxBBBBBBBBBB N/A
88H 10001000r r PPPPPPPPPPPPxxxxxxxxxx N/A
89H 10001001r r PPPPPPPPPPPPxxxxxxxxxx N/A
D2H 11010010r r PPPPPPPPPPPPBBBBBBBBBB 4 Bytes
D4H 11010100xxxxxxxxxxxxxxBBBBBBBBBB 1 Byt e
D6H 11010110xxxxxxxxxxxxxxBBBBBBBBBB 1 Byt e
D7H 11010111 N/A N/A N/A N/A
E8H 11101000r r PPPPPPPPPPPPBBBBBBBBBB 4 Bytes
R
eserve
d
R
eserve
d
PA
11
PA
10
PA
9
PA8
PA7
PA
6
PA
5
PA
4
PA
3
PA
2
PA
1
PA
0
BA
9
BA
8
BA7
BA6
BA
5
BA
4
BA
3
BA
2
BA
1
BA
0