Sck cs si so – Rainbow Electronics AT45DB642 User Manual
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AT45DB321E [PRELIMINARY DATASHEET]
8784B–DFLASH–11/2012
Figure 25-7. Read Sector Protection Register (Opcode 32h)
Figure 25-8. Read Sector Lockdown Register (Opcode 35h)
Figure 25-9. Read Security Register (Opcode 77h)
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
SCK
CS
SI
SO
MSB MSB
2 3
1
0
0 1 1 1 0 1 1 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