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AT45DQ321 Datasheet(PDF) 50 Page - Renesas Technology Corp

Part # AT45DQ321
Description  32-Mbit DataFlash (with Extra 1-Mbits), 2.3V Minimum SPI Serial Flash Memory with Dual-I/O and Quad-I/O Support
PDF  81 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

AT45DQ321 Datasheet(HTML) 50 Page - Renesas Technology Corp

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50
AT45DQ321
DS-45DQ321-031G–DFLASH–2/2022
Note:
X = Dummy Bit
Table 15-7. Detailed Bit-level Addressing Sequence for Standard DataFlash Page Size (528 bytes)
9Fh
1
0
0
1
1
1
1
1
N/A
N/A
N/A
N/A
B9h
1
0
1
1
1
0
0
1
N/A
N/A
N/A
N/A
ABh
1
0
1
0
1
0
1
1
N/A
N/A
N/A
N/A
B0h
1
0
1
1
0
0
0
0
N/A
N/A
N/A
N/A
D0h
1
1
0
1
0
0
0
0
N/A
N/A
N/A
N/A
D1h
1
1
0
1
0
0
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
A
A
A
A
A
A
A
A
A
N/A
D2h
1
1
0
1
0
0
1
0
X
X
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
4
D3h
1
1
0
1
0
0
1
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
A
A
A
A
A
A
A
A
A
N/A
D4h
1
1
0
1
0
1
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
A
A
A
A
A
A
A
A
A
1
D6h
1
1
0
1
0
1
1
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
A
A
A
A
A
A
A
A
A
1
D7h
1
1
0
1
0
1
1
1
N/A
N/A
N/A
N/A
Page Size = 528-bytes
Address Byte
Address Byte
Address Byte
Additional
Dummy
Bytes
Opcode
Opcode
01h
0
0
0
0
0
0
0
1
X
P
P
P
P
P
P
P
P
P
P
P
P
P
B
B
B
B
B
B
B
B
B
B
N/A
02h
0
0
0
0
0
0
1
0
X
P
P
P
P
P
P
P
P
P
P
P
P
P
B
B
B
B
B
B
B
B
B
B
N/A
03h
0
0
0
0
0
0
1
1
X
P
P
P
P
P
P
P
P
P
P
P
P
P
B
B
B
B
B
B
B
B
B
B
N/A
0Bh
0
0
0
0
1
0
1
1
X
P
P
P
P
P
P
P
P
P
P
P
P
P
B
B
B
B
B
B
B
B
B
B
1
1Bh
0
0
0
1
1
0
1
1
X
P
P
P
P
P
P
P
P
P
P
P
P
P
B
B
B
B
B
B
B
B
B
B
2
24h
0
0
1
0
0
1
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
B
B
B
B
B
B
B
B
B
B
N/A
27h
0
0
1
0
0
1
1
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
B
B
B
B
B
B
B
B
B
B
N/A
32h
0
0
1
1
0
0
1
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
N/A
35h
0
0
1
1
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
N/A
3Bh
0
0
1
1
1
0
1
1
X
P
P
P
P
P
P
P
P
P
P
P
P
P
B
B
B
B
B
B
B
B
B
B
1
3Fh
0
0
1
1
1
1
1
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
N/A
44h
0
1
0
0
0
1
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
N/A
47h
0
1
0
0
0
1
1
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
N/A
50h
0
1
0
1
0
0
0
0
X
P
P
P
P
P
P
P
P
P
P
X
X
X
X
X
X
X
X
X
X
X
X
X
N/A
53h
0
1
0
1
0
0
1
1
X
P
P
P
P
P
P
P
P
P
P
P
P
P
X
X
X
X
X
X
X
X
X
X
N/A
55h
0
1
0
1
0
1
0
1
X
P
P
P
P
P
P
P
P
P
P
P
P
P
X
X
X
X
X
X
X
X
X
X
N/A
58h
0
1
0
1
1
0
0
0
X
P
P
P
P
P
P
P
P
P
P
P
P
P
X
X
X
X
X
X
X
X
X
X
N/A
59h
0
1
0
1
1
0
0
1
X
P
P
P
P
P
P
P
P
P
P
P
P
P
X
X
X
X
X
X
X
X
X
X
N/A
60h
0
1
1
0
0
0
0
0
X
P
P
P
P
P
P
P
P
P
P
P
P
P
X
X
X
X
X
X
X
X
X
X
N/A
61h
0
1
1
0
0
0
0
1
X
P
P
P
P
P
P
P
P
P
P
P
P
P
X
X
X
X
X
X
X
X
X
X
N/A
6Bh
0
1
1
0
1
0
1
1
X
P
P
P
P
P
P
P
P
P
P
P
P
P
B
B
B
B
B
B
B
B
B
B
1
77h
0
1
1
1
0
1
1
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
N/A
79h
0
1
1
1
1
0
0
1
N/A
N/A
N/A
N/A
7Ch
0
1
1
1
1
1
0
0
X
P
P
P
P
P
P
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
N/A
81h
1
0
0
0
0
0
0
1
X
P
P
P
P
P
P
P
P
P
P
P
P
P
X
X
X
X
X
X
X
X
X
X
N/A
82h
1
0
0
0
0
0
1
0
X
P
P
P
P
P
P
P
P
P
P
P
P
P
B
B
B
B
B
B
B
B
B
B
N/A
83h
1
0
0
0
0
0
1
1
X
P
P
P
P
P
P
P
P
P
P
P
P
P
X
X
X
X
X
X
X
X
X
X
N/A
84h
1
0
0
0
0
1
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
B
B
B
B
B
B
B
B
B
B
N/A
Page Size = 512 bytes
Address Byte
Address Byte
Address Byte
Additional
Dummy
Bytes
Opcode
Opcode



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