AT45DB021D-SSH-B-RET Atmel, AT45DB021D-SSH-B-RET Datasheet - Page 37
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
AT45DB021D-SSH-B-RET
Manufacturer Part Number
AT45DB021D-SSH-B-RET
Description
Manufacturer
Atmel
Datasheet
1.AT45DB021D-SSH-B-RET.pdf
(48 pages)
- Current page: 37 of 48
- Download datasheet (2Mb)
3638J–DFLASH–5/10
19.
SCK
Figure 18-2. Main Memory Page to Buffer Transfer (Data from Flash Page Read into Buffer)
Figure 18-3. Buffer Read
Detailed Bit-level Read Waveform – Atmel RapidS Serial Interface Mode
0/Mode 3
Figure 19-1. Continuous Array Read (Legacy Opcode E8H)
SO
CS
SO (OUTPUT)
SO (OUTPUT)
SI
SI (INPUT)
SI (INPUT)
CS
CS
MSB
HIGH-IMPEDANCE
1
0
1
1
1
2
OPCODE
0
3
Each transition
represents 8 bits
1
4
0
5
0
6
CMD
0
7
MSB
CMD
A
8
A
9
A
10 11
16 DON'T CARE + BFA7-BFA0
ADDRESS BITS
X
A
A
BINARY PAGE SIZE
12
A
6 DON’T CARE BITS + A17-A8 + 8 DON'T CARE BITS
X..X, BFA8
X···X, PA9-7
A
29 30
A
A
BFA7- 0
31 32
MSB
BINARY PAGE SIZE
X
32 DON'T CARE BITS
X
33 34
X
1 Dummy Byte
PA6-0, X
X
Starts reading page data into buffer
X
Atmel AT45DB021D
X
62
X
63
MSB
D
64
XXXX XXXX
n
D
65
DATA BYTE 1
D
66 67
D
D
68
BIT 2047/2111
n+1
OF PAGE n
D
69
D
70
D
71 72
MSB
D
D
PAGE n+1
BIT 0 OF
37
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