24.3 Continuous Array Read (Low Frequency: Opcode 03H)
CS
0
1
2
3
4
5
6
7
8
9
10 11 12
29 30 31 32 33 34 35 36 37 38 39 40
SCK
SI
OPCODE
ADDRESS BITS A21-A0
0
0
0
0
0
0
1
1
A
A
A
A
A
A
A
A
A
MSB
MSB
DATA BYTE 1
HIGH-IMPEDANCE
D
D
D
D
D
D
D
D
D
D
SO
MSB
MSB
24.4 Main Memory Page Read (Opcode: D2H)
CS
0
1
2
3
4
5
6
7
8
9
10 11 12
29 30 31 32 33 34
62 63 64 65 66 67 68 69 70 71 72
SCK
SI
OPCODE
ADDRESS BITS
32 DON'T CARE BITS
1
1
0
1
0
0
1
0
A
A
A
A
A
A
A
A
A
X
X
X
X
X
X
MSB
MSB
MSB
DATA BYTE 1
HIGH-IMPEDANCE
D
D
D
D
D
D
D
D
D
D
SO
MSB
MSB
24.5 Buffer Read (Opcode D4H or D6H)
CS
0
1
2
3
4
5
6
7
8
9
10 11 12
29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
SCK
ADDRESS BITS
BINARY PAGE SIZE = 15 DON'T CARE + BFA8-BFA0
STANDARD DATAFLASH PAGE SIZE =
14 DON'T CARE + BFA9-BFA0
DON'T CARE
OPCODE
1
1
0
1
0
1
0
0
X
X
X
X
X
X
A
A
A
X
X
X
X
X
X
X
X
SI
MSB
MSB
MSB
DATA BYTE 1
HIGH-IMPEDANCE
D
D
D
D
D
D
D
D
D
D
SO
MSB
MSB
42
AT45DB321D
3597J–DFLASH–4/08
ATMEL [ ATMEL ]
