at45db081d-su-sl955 ATMEL Corporation, at45db081d-su-sl955 Datasheet - Page 43

• Manufacturer Part Number: at45db081d-su-sl955
• Description: 8-megabit 2.5-volt Or 2.7-volt Dataflash
• Manufacturer: ATMEL Corporation

24.6
24.7
24.8
3596I–DFLASH–4/08
Buffer Read (Low Frequency: Opcode D1H or D3H)
Read Sector Protection Register (Opcode 32H)
Read Sector Lockdown Register (Opcode 35H)
SCK
SO
CS
SCK
SCK
SI
SO
SO
CS
CS
SI
SI
MSB
HIGH-IMPEDANCE
1
0
MSB
HIGH-IMPEDANCE
MSB
HIGH-IMPEDANCE
0
0
0
0
1
1
0
0
1
1
0
2
OPCODE
1
1
2
2
1
OPCODE
OPCODE
3
1
1
3
3
0
4
0
0
0
4
4
5
0
1
5
5
0
6
1
0
6
6
1
7
ADDRESS BITS
BINARY PAGE SIZE = 16 DON'T CARE + BFA7-BFA0
STANDARD DATAFLASH PAGE SIZE =
15 DON'T CARE + BFA8-BFA0
MSB
0
1
X
7
7
8
MSB
MSB
X
X
X
8
8
9
X
X
9
9
X
10 11
X
X
10 11
10 11
X
X
X
DON'T CARE
DON'T CARE
X
12
X
X
12
12
X
X
X
A
29 30
X
X
29 30
29 30
A
X
X
A
31 32
MSB
X
X
31 32
31 32
D
MSB
MSB
D
D
D
33
DATA BYTE 1
D
D
33
33
D
34
DATA BYTE 1
DATA BYTE 1
D
D
34
34
D
35
D
D
35
35
D
36
D
D
36
36
D
37 38
D
D
37 38
37 38
D
D
D
D
39 40
MSB
D
D
AT45DB081D
39 40
39 40
D
MSB
MSB
D
D
D
43