Sck cs si so – Rainbow Electronics AT45DQ321 User Manual
Page 68
68
AT45DQ321 [ADVANCE DATASHEET]
DS-45DQ321-031–DFLASH–12/2012
Figure 25-6. Quad-output Read Array (Opcode 6Bh)
Figure 25-7. Buffer Read (Opcode D4h or D6h)
SCK
CS
I/O
0
(SI)
I/O
1
(SO)
MSB
MSB
2
3
1
0
0
1
1
1
0
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
D
4
D
0
D
0
D
4
D
4
D
4
D
0
D
0
D
0
D
4
Address Bits A21 - A0
Dummy Bits
Byte 1
OUT
Byte 4
OUT
Byte 5
OUT
Byte 3
OUT
Byte 2
OUT
High-impedance
I/O
2
(WP)
D
2
D
6
D
2
D
6
D
2
D
6
D
2
D
6
D
2
D
6
D
1
D
5
D
5
High-impedance
I/O
3
(
RESET
)
MSB
MSB
MSB
MSB
MSB
D
7
D3 D
7
D3 D
7
D3 D
7
D3 D
7
D3
High-impedance
36 37
35
X
X
D
1
D
5
D
1
D
1
D
5
D
1
D
5
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 Dummy Bits + BFA8-BFA0
Standard DataFlash Page Size =
14 Dummy Bits + BFA9-BFA0
Dummy Bits
Data Byte 1
High-impedance