5 buffer read (opcode d4h or d6h), 6 buffer read (low frequency: opcode d1h or d3h), Sck cs si so – Rainbow Electronics AT45DB161D User Manual
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3500O–DFLASH–11/2012
AT45DB161D
24.4
Main Memory Page Read (Opcode: D2H)
24.5
Buffer Read (Opcode D4H or D6H)
24.6
Buffer Read (Low Frequency: Opcode D1H or D3H)
SCK
CS
SI
SO
MSB
MSB
2
3
1
0
1
1
0
1
0
0
1
0
6
7
5
4
10 11
9
8
12
63
66 67
65
64
62
33 34
31 32
29 30
68
71 72
70
69
OPCODE
A
A
A
A
A
A
A
A
A
MSB
X
X
X
X
X
X
MSB
MSB
D
D
D
D
D
D
D
D
D
D
ADDRESS BITS
32 DON'T CARE BITS
DATA BYTE 1
HIGH-IMPEDANCE
SCK
CS
SI
SO
MSB MSB
2 3
1
0
1 1 0 1 0 1 0 0
6 7
5
4 10
11
9
8 12
39
42
43
41
40
37 38
33 36
35
34
31 32
29 30
44
47 48
46
45
OPCODE
X X X X
A A A
X X
MSB
X X X X X X X X
MSB MSB
D D D D D D D D
D
D
ADDRESS BITS
BINARY PAGE SIZE = 15 DON'T CARE + BFA8-BFA0
STANDARD DATAFLASH PAGE SIZE =
14 DON'T CARE + BFA9-BFA0
DON'T CARE
DATA BYTE 1
HIGH-IMPEDANCE
SCK
CS
SI
SO
MSB MSB
2 3
1
0
1 1 0 1 0 0 0 1
6 7
5
4 10
11
9
8 12
37
38
33 36
35
34
31 32
29 30
39 40
OPCODE
X X X X
A A A
X X
MSB MSB
D D D D D D D D
D
D
DATA BYTE 1
HIGH-IMPEDANCE
ADDRESS BITS
BINARY PAGE SIZE = 15 DON'T CARE + BFA8-BFA0
STANDARD DATAFLASH PAGE SIZE =
14 DON'T CARE + BFA9-BFA0