5 buffer read (opcode d4h or d6h), Sck cs si so – Rainbow Electronics AT45DB321D User Manual
Page 42
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42
3597J–DFLASH–4/08
AT45DB321D
24.3
Continuous Array Read (Low Frequency: Opcode 03H)
24.4
Main Memory Page Read (Opcode: D2H)
24.5
Buffer Read (Opcode D4H or D6H)
SCK
CS
SI
SO
MSB
MSB
2
3
1
0
0
0
0
0
0
0
1
1
6
7
5
4
10 11
9
8
12
37 38
33
36
35
34
31 32
29 30
39 40
OPCODE
A
A
A
A
A
A
A
A
A
MSB
MSB
D
D
D
D
D
D
D
D
D
D
ADDRESS BITS A21-A0
DATA BYTE 1
HIGH-IMPEDANCE
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
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