Sck cs si so – Rainbow Electronics AT45DQ321 User Manual
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69
AT45DQ321 [ADVANCE DATASHEET]
DS-45DQ321-031–DFLASH–12/2012
Figure 25-8. Buffer Read – Low Frequency (Opcode D1h or D3h)
Figure 25-9. Read Sector Protection Register (Opcode 32h)
Figure 25-10.Read Sector Lockdown Register (Opcode 35h)
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 Dummy Bits + BFA8-BFA0
Standard DataFlash Page Size =
14 Dummy Bits + BA9-BFA0
SCK
CS
SI
SO
MSB MSB
2 3
1
0
0 0 1 1 0 0 1 0
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
X X X
X X
MSB MSB
D D D D D D D
D
D
Dummy Bits
Data Byte 1
High-impedance
SCK
CS
SI
SO
MSB MSB
2 3
1
0
0 0 1 1 0 1 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
X X X
X X
MSB MSB
D D D D D D D
D
D
Dummy Bits
Data Byte 1
High-impedance