11
AT45DB081B
2225F–DFLSH–5/03
Note: r = Reserved 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 r PPPPPPPPPxxxxxxxxxxxx N/A
52H 01010010r r r PPPPPPPPPPPPBBBBBBBBB 4 Bytes
53H 01010011r r r PPPPPPPPPPPPxxxxxxxxx N/A
54H 01010100xxxxxxxxxxxxxxxBBBBBBBBB 1 Byte
55H 01010101r r r PPPPPPPPPPPPxxxxxxxxx N/A
56H 01010110xxxxxxxxxxxxxxxBBBBBBBBB 1 Byte
57H 01010111 N/A N/A N/A N/A
58H 01011000r r r PPPPPPPPPPPPxxxxxxxxx N/A
59H 01011001r r r PPPPPPPPPPPPxxxxxxxxx N/A
60H 01100000r r r PPPPPPPPPPPPxxxxxxxxx N/A
61H 01100001r r r PPPPPPPPPPPPxxxxxxxxx N/A
68H 01101000r r r PPPPPPPPPPPPBBBBBBBBB 4 Bytes
81H 10000001r r r PPPPPPPPPPPPxxxxxxxxx N/A
82H 10000010r r r PPPPPPPPPPPPBBBBBBBBB N/A
83H 10000011r r r PPPPPPPPPPPPxxxxxxxxx N/A
84H 10000100xxxxxxxxxxxxxxxBBBBBBBBB N/A
85H 10000101r r r PPPPPPPPPPPPBBBBBBBBB N/A
86H 10000110r r r PPPPPPPPPPPPxxxxxxxxx N/A
87H 10000111xxxxxxxxxxxxxxxBBBBBBBBB N/A
88H 10001000r r r PPPPPPPPPPPPxxxxxxxxx N/A
89H 10001001r r r PPPPPPPPPPPPxxxxxxxxx N/A
D2H 11010010r r r PPPPPPPPPPPPBBBBBBBBB 4 Bytes
D4H 11010100xxxxxxxxxxxxxxxBBBBBBBBB 1 Byte
D6H 11010110xxxxxxxxxxxxxxxBBBBBBBBB 1 Byte
D7H 11010111 N/A N/A N/A N/A
E8H 11101000r r r PPPPPPPPPPPPBBBBBBBBB 4 Bytes
Reserved
Reserved
Reserved
PA11
PA10
PA9
PA8
PA7
PA6
BA6
BA5
BA4
BA3
BA2
BA1
BA0