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AT45DB321E Datasheet(PDF) 70 Page - Renesas Technology Corp

Part # AT45DB321E
Description  32-Mbit DataFlash (with Extra 1-Mbits), 2.3 V Minimum SPI Serial Flash Memory
PDF  80 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

AT45DB321E Datasheet(HTML) 70 Page - Renesas Technology Corp

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DS-AT45DB321E-8784 Rev. N
Page 70
9/1/23
© 2023 Renesas Electronics
AT45DB321E Datasheet
Figure 41. Main Memory Page Read (Opcode D2h)
Figure 42. Buffer Read (Opcode D4h or D6h)
Figure 43. Buffer Read – Low Frequency (Opcode D1h or D3h)
SCK
CS
SI
SO
MSB
MSB
23
1
0
11010010
67
5
410 11
9
812
63
66 67
65
64
62
33 34
31 32
29 30
68
71 72
70
69
Opcode
AAAA
AAA
AA
MSB
XXXX
XX
MSB
MSB
DDDDDDDD
D
D
Address Bits
32 Dummy Bits
Data Byte 1
High-impedance
SCK
CS
SI
SO
MSB
MSB
23
1
0
11010100
67
5
410 11
9
812
39
42 43
41
40
37 38
33
36
35
34
31 32
29 30
44
47 48
46
45
Opcode
XXXX
AAA
XX
MSB
XXXXXXXX
MSB
MSB
DDDDDDDD
D
D
Address Bits
Binary Page Size = 15 Dummy Bits + BFA8-BFA0
Standard DataFlash Page Size =
14 Dummy Bits + BFA9-BFA0
Dummy Bits
Data Byte 1
High-impedance
SCK
CS
SI
SO
MSB
MSB
23
1
0
11010001
67
5
410 11
9
812
37 38
33
36
35
34
31 32
29 30
39 40
Opcode
XXXX
AAA
XX
MSB
MSB
DDDDDDDD
D
D
Data Byte 1
High-impedance
Address Bits
Binary Page Size = 15 Dummy Bits + BFA8-BFA0
Standard DataFlash Page Size =
14 Dummy Bits + BA9-BFA0



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