AT45DB321D ATMEL [ATMEL Corporation], AT45DB321D Datasheet - Page 41

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

23.3
24. Detailed Bit-level Read Waveform – RapidS Serial Interface Mode 0/Mode 3
24.1
24.2
3597J–DFLASH–4/08
SCK
SCK
SO
SO
CS
CS
SI
SI
Buffer Read
Continuous Array Read (Legacy Opcode E8H)
Continuous Array Read (Opcode 0BH)
SO (OUTPUT)
SI (INPUT)
MSB
HIGH-IMPEDANCE
MSB
HIGH-IMPEDANCE
1
0
0
0
1
0
CS
1
1
1
0
2
2
OPCODE
OPCODE
0
0
3
3
1
1
4
4
0
0
5
5
Each transition
represents 8 bits
0
1
6
6
0
1
7
7
MSB
MSB
A
A
CMD
8
8
A
A
9
9
ADDRESS BITS A21 - A0
A
A
10 11
10 11
ADDRESS BITS
A
A
A
A
12
12
15 DON'T CARE + BFA8-BFA0
X
A
A
BINARY PAGE SIZE
X..X, BFA9-8
A
A
29 30
29 30
A
A
A
A
31 32
31 32
MSB
MSB
X
X
32 DON'T CARE BITS
BFA7- 0
X
X
33 34
33 34
DON'T CARE
X
X
X
X
35
X
36 37
No Dummy Byte (opcodes D1H and D3H)
1 Dummy Byte (opcodes D4H and D6H)
X
X
X
X
62
38
X
X
63
39
MSB
MSB
D
D
64
40
D
D
65
41
DATA BYTE 1
DATA BYTE 1
D
D
66 67
42 43
n
D
D
AT45DB321D
D
D
68
44
BIT 4095/4223
OF PAGE n
D
D
69
45
D
D
70
46
n+1
D
D
71 72
47 48
MSB
MSB
D
D
D
PAGE n+1
D
BIT 0 OF
41