AT45DB321D ATMEL [ATMEL Corporation], AT45DB321D Datasheet - Page 44

• Manufacturer Part Number: AT45DB321D
• Description: 32-megabit 2.7-volt DataFlash
• Manufacturer: ATMEL [ATMEL Corporation]

24.9
24.10 Status Register Read (Opcode D7H)
24.11 Manufacturer and Device Read (Opcode 9FH)
44
Read Security Register (Opcode 77H)
AT45DB321D
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
3597J–DFLASH–4/08