Rainbow Electronics AT45DB021D User Manual
Page 27
27
3638K–DFLASH–11/2012
AT45DB021D
Table 13-7.
Detailed Bit-level Addressing Sequence for Standard DataFlash Page Size (264-Bytes)
Note:
P = Page Address Bit
B = Byte/Buffer Address Bit
x = Don’t Care
Page Size = 264-bytes
Address Byte
Address Byte
Address Byte
Additional
Don’t Care
Bytes
Opcode
Opcode
Reserved
Reserved
Reserved
Reserved
Reserved
PA9
PA8
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
BA8
BA7
BA6
BA5
BA4
BA3
BA2
BA1
BA0
03h
0
0
0
0
0
0
1
1
x
x
x
x
x
P
P
P
P
P
P
P
P
P
P
B
B
B
B
B
B
B
B
B
N/A
0Bh
0
0
0
0
1
0
1
1
x
x
x
x
x
P
P
P
P
P
P
P
P
P
P
B
B
B
B
B
B
B
B
B
1
50h
0
1
0
1
0
0
0
0
x
x
x
x
x
P
P
P
P
P
P
P
x
x
x
x
x
x
x
x
x
x
x
x
N/A
53h
0
1
0
1
0
0
1
1
x
x
x
x
x
P
P
P
P
P
P
P
P
P
P
x
x
x
x
x
x
x
x
x
N/A
58h
0
1
0
1
1
0
0
0
x
x
x
x
x
P
P
P
P
P
P
P
P
P
P
x
x
x
x
x
x
x
x
x
N/A
60h
0
1
1
0
0
0
0
0
x
x
x
x
x
P
P
P
P
P
P
P
P
P
P
x
x
x
x
x
x
x
x
x
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
x
x
x
N/A
7Ch
0
1
1
1
1
1
0
0
x
x
x
x
x
P
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
N/A
81h
1
0
0
0
0
0
0
1
x
x
x
x
x
P
P
P
P
P
P
P
P
P
P
x
x
x
x
x
x
x
x
x
N/A
82h
1
0
0
0
0
0
1
0
x
x
x
x
x
P
P
P
P
P
P
P
P
P
P
B
B
B
B
B
B
B
B
B
N/A
83h
1
0
0
0
0
0
1
1
x
x
x
x
x
P
P
P
P
P
P
P
P
P
P
x
x
x
x
x
x
x
x
x
N/A
84h
1
0
0
0
0
1
0
0
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
B
B
B
B
B
B
B
B
B
N/A
88h
1
0
0
0
1
0
0
0
x
x
x
x
x
P
P
P
P
P
P
P
P
P
P
x
x
x
x
x
x
x
x
x
N/A
9Fh
1
0
0
1
1
1
1
1
N/A
N/A
N/A
N/A
B9h
1
0
1
1
1
0
0
1
N/A
N/A
N/A
N/A
ABh
1
0
1
0
1
0
1
1
N/A
N/A
N/A
N/A
D1h
1
1
0
1
0
0
0
1
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
B
B
B
B
B
B
B
B
B
N/A
D2h
1
1
0
1
0
0
1
0
x
x
x
x
x
P
P
P
P
P
P
P
P
P
P
B
B
B
B
B
B
B
B
B
4
D4h
1
1
0
1
0
1
0
0
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
B
B
B
B
B
B
B
B
B
1
D7h
1
1
0
1
0
1
1
1
N/A
N/A
N/A
N/A
E8h
1
1
1
0
1
0
0
0
x
x
x
x
x
P
P
P
P
P
P
P
P
P
P
B
B
B
B
B
B
B
B
B
4