23.3 Buffer Read
CS
BINARY PAGE SIZE
15 DON'T CARE + BFA8-BFA0
CMD
X
X..X, BFA9-8
BFA7- 0
X
SI (INPUT)
No Dummy Byte (opcodes D1H and D3H)
1 Dummy Byte (opcodes D4H and D6H)
n
n+1
SO (OUTPUT)
Each transition
represents 8 bits
24. Detailed Bit-level Read Waveform – RapidS Serial Interface Mode 0/Mode 3
24.1 Continuous Array Read (Legacy Opcode E8H)
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
1
0
1
0
0
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
BIT 0 OF
PAGE n+1
BIT 4095/4223
OF PAGE n
24.2 Continuous Array Read (Opcode 0BH)
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
SI
OPCODE
ADDRESS BITS A20 - A0
DON'T CARE
X
0
0
0
0
1
0
1
1
A
A
A
A
A
A
A
A
A
X
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
42
AT45DB161D
3500M–DFLASH–04/09
ATMEL [ ATMEL ]
