AT45DB321D-SU-SL954 ATMEL [ATMEL Corporation], AT45DB321D-SU-SL954 Datasheet - Page 44

• Manufacturer Part Number: AT45DB321D-SU-SL954
• Description: 32-megabit 2.7-volt DataFlash
• Manufacturer: ATMEL [ATMEL Corporation]

24.6
24.7
24.8
44
Buffer Read (Low Frequency: Opcode D1H or D3H)
Read Sector Protection Register (Opcode 32H)
Read Sector Lockdown Register (Opcode 35H)
AT45DB321D
SCK
SO
CS
SCK
SCK
SI
SO
SO
CS
CS
SI
SI
HIGH-IMPEDANCE
MSB
1
0
HIGH-IMPEDANCE
HIGH-IMPEDANCE
MSB
MSB
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 = 15 DON'T CARE + BFA8-BFA0
STANDARD DATAFLASH PAGE SIZE =
14 DON'T CARE + BFA9-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
D
D
DATA BYTE 1
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
39 40
39 40
D
MSB
MSB
D
D
D
3597N–DFLASH–04/09