at45db081d-su-sl955 ATMEL Corporation, at45db081d-su-sl955 Datasheet - Page 44
at45db081d-su-sl955
Manufacturer Part Number
at45db081d-su-sl955
Description
8-megabit 2.5-volt Or 2.7-volt Dataflash
Manufacturer
ATMEL Corporation
Datasheet
1.AT45DB081D-SU-SL955.pdf
(53 pages)
- Current page: 44 of 53
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24.9
24.10 Status Register Read (Opcode D7H)
24.11 Manufacturer and Device Read (Opcode 9FH)
44
Read Security Register (Opcode 77H)
AT45DB081D
SCK
SO
SCK
CS
SI
SCK
SO
CS
SI
SO
CS
SI
Note: Each transition
HIGH-IMPEDANCE
HIGH-IMPEDANCE
MSB
0
HIGH-IMPEDANCE
MSB
0
1
0
1
1
0
1
1
1
OPCODE
2
OPCODE
0
9FH
2
OPCODE
1
3
1
3
0
4
6
0
4
1
5
7
shown for SI and SO represents one byte (8 bits)
1
5
1
6
8
1
6
1
7
1
MSB
1FH
7
X
MSB
8
D
STATUS REGISTER DATA
8
X
14
9
D
9
X
10 11
15
D
10 11
X
DON'T CARE
16
DEVICE ID BYTE 1
D
X
12
D
12
X
D
13 14
22
D
23
X
D
29 30
15 16
DEVICE ID BYTE 2
24
MSB
X
D
STATUS REGISTER DATA
X
D
31 32
17
MSB
D
D
18
30
D
D
33
19
31
DATA BYTE 1
D
D
34
20
32
D
D
35
21 22
D
D
36
00H
D
D
37 38
23 24
38
MSB
D
D
D
D
39 40
MSB
D
3596I–DFLASH–4/08
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