3 buffer read, 1 continuous array read (legacy opcode e8h), 2 continuous array read (opcode 0bh) – Rainbow Electronics AT45DB041D User Manual
Page 41: Si (input) so (output), Sck cs si so
41
3595R–DFLASH–11/2012
AT45DB041D
23.3
Buffer Read
24. Detailed Bit-level Read Waveform –
RapidS Serial Interface Mode 0/Mode 3
24.1
Continuous Array Read (Legacy Opcode E8H)
24.2
Continuous Array Read (Opcode 0BH)
CMD
CS
n
n+1
X
X
X..X, BFA8
BFA7- 0
BINARY PAGE SIZE
16 DON'T CARE + BFA7-BFA0
Each transition
represents 8 bits
SI (INPUT)
SO (OUTPUT)
No Dummy Byte (opcodes D1H and D3H)
1 Dummy Byte (opcodes D4H and D6H)
SCK
CS
SI
SO
MSB
MSB
2
3
1
0
1
1
1
0
1
0
0
0
6
7
5
4
10 11
9
8
12
63
66 67
65
64
62
33 34
31 32
29 30
68
71 72
70
69
OPCODE
A
A
A
A
A
A
A
A
A
MSB
X
X
X
X
X
X
MSB
MSB
D
D
D
D
D
D
D
D
D
D
ADDRESS BITS
32 DON'T CARE BITS
DATA BYTE 1
HIGH-IMPEDANCE
BIT 2047/2111
OF PAGE n
BIT 0 OF
PAGE n+1
SCK
CS
SI
SO
MSB
MSB
2
3
1
0
0
0
0
0
1
0
1
1
6
7
5
4
10 11
9
8
12
39
42 43
41
40
38
33 34
31 32
29 30
44
47 48
46
45
OPCODE
A
A
A
A
A
A
A
A
A
MSB
X
X
X
X
X
X
MSB
MSB
D
D
D
D
D
D
D
D
D
D
ADDRESS BITS A18 - A0
DON'T CARE
DATA BYTE 1
HIGH-IMPEDANCE
36 37
35
X
X