AT45DB642D-CNU-SL954 ATMEL [ATMEL Corporation], AT45DB642D-CNU-SL954 Datasheet - Page 45

• Manufacturer Part Number: AT45DB642D-CNU-SL954
• Description: 64-megabit 2.7-volt Dual-interface DataFlash
• Manufacturer: ATMEL [ATMEL Corporation]

24.7
24.8
24.9
3542H–DFLASH–4/08
Read Sector Protection Register (Opcode 32H)
Read Sector Lockdown Register (Opcode 35H)
Read Security Register (Opcode 77H)
SCK
SCK
SCK
SO
SO
SO
CS
CS
CS
SI
SI
SI
MSB
HIGH-IMPEDANCE
MSB
HIGH-IMPEDANCE
MSB
HIGH-IMPEDANCE
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
2
2
2
OPCODE
OPCODE
OPCODE
1
1
1
3
3
3
0
0
0
4
4
4
0
1
1
5
5
5
1
0
1
6
6
6
0
1
1
7
7
7
MSB
MSB
MSB
X
X
X
8
8
8
X
X
X
9
9
9
X
X
X
10 11
10 11
10 11
X
X
X
DON'T CARE
DON'T CARE
DON'T CARE
X
X
X
12
12
12
X
X
X
X
X
X
29 30
29 30
29 30
X
X
X
X
X
X
31 32
31 32
31 32
MSB
MSB
MSB
D
D
D
D
D
D
33
33
33
DATA BYTE 1
DATA BYTE 1
DATA BYTE 1
D
D
D
34
34
34
D
D
D
35
35
35
D
D
D
36
36
36
D
D
D
37 38
37 38
37 38
D
D
D
D
D
D
AT45DB642D
39 40
39 40
39 40
MSB
MSB
MSB
D
D
D
45