Sck cs i/o, Si) i/o – Rainbow Electronics AT45DQ321 User Manual
Page 67
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67
AT45DQ321 [ADVANCE DATASHEET]
DS-45DQ321-031–DFLASH–12/2012
Figure 25-4. Main Memory Page Read (Opcode D2h)
Figure 25-5. Dual-output Read Array (Opcode 3Bh)
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 Dummy Bits
Data Byte 1
High-impedance
SCK
CS
I/O
0
(SI)
I/O
1
(SO)
MSB
MSB
2
3
1
0
0
0
1
1
1
0
1
1
6
7
5
4
10 11
9
8
12
39
42 43
41
40
38
33 34
31 32
29 30
44
47 48
46
45
Opcode
A
A
A
A
A
A
A
A
A
MSB
X
X
X
X
X
X
MSB
MSB
D
3
D
1
D5
D
7
D
3
D
1
D5
D
7
D5
D
7
D
2
D
0
D
4
D
6
D
4
D
6
D
2
D
0
D
4
D
6
Address Bits A21 - A0
Dummy Bits
Output
Data Byte 1
Output
Data Byte 2
High-impedance
36 37
35
X
X
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