AT45DB021D-SSH-B-RET Atmel, AT45DB021D-SSH-B-RET Datasheet - Page 39
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
AT45DB021D-SSH-B-RET
Manufacturer Part Number
AT45DB021D-SSH-B-RET
Description
Manufacturer
Atmel
Datasheet
1.AT45DB021D-SSH-B-RET.pdf
(48 pages)
- Current page: 39 of 48
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3638J–DFLASH–5/10
SCK
Figure 19-5. Buffer Read (Opcode D4H)
Figure 19-6. Buffer Read (Low Frequency: Opcode D1H)
Figure 19-7. Read Sector Protection Register (Opcode 32H)
SO
CS
SCK
SCK
SI
SO
SO
CS
CS
SI
SI
MSB
HIGH-IMPEDANCE
1
0
MSB
HIGH-IMPEDANCE
MSB
HIGH-IMPEDANCE
1
0
1
0
0
1
1
0
0
1
1
2
OPCODE
0
1
1
2
2
OPCODE
OPCODE
3
1
1
0
3
3
4
0
0
1
4
4
5
0
0
0
5
5
6
0
1
0
6
6
7
MSB
1
0
ADDRESS BITS
BINARY PAGE SIZE = 16 DON'T CARE + BFA7-BFA0
STANDARD ATMEL DATAFLASH PAGE SIZE =
15 DON'T CARE + BFA8-BFA0
X
7
7
ADDRESS BITS
BINARY PAGE SIZE = 16 DON'T CARE + BFA7-BFA0
STANDARD ATMEL DATAFLASH PAGE SIZE =
15 DON'T CARE + BFA8-BFA0
8
MSB
MSB
X
X
X
8
8
9
X
X
X
9
9
10 11
X
X
10 11
10 11
X
X
X
DON'T CARE
X
12
X
X
12
12
X
X
X
A
29 30
A
X
29 30
29 30
A
A
X
A
31 32
MSB
A
X
31 32
31 32
X
MSB
MSB
D
D
X
33
DON'T CARE
D
D
33
33
X
34
DATA BYTE 1
DATA BYTE 1
D
D
34
34
X
35
D
D
35
35
X
36
D
D
36
36
X
37 38
Atmel AT45DB021D
D
D
37 38
37 38
X
D
D
X
39
MSB
D
D
39 40
39 40
D
40
MSB
MSB
D
D
D
41
DATA BYTE 1
D
D
42 43
D
D
44
D
45
D
46
D
47 48
MSB
D
D
39
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