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NRF7002-CEAA-R7 Fiches technique(PDF) 18 Page - Nordic Semiconductor

No de pièce NRF7002-CEAA-R7
Description  nRF7002
PDF  69 Pages
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Fabricant  NORDIC [Nordic Semiconductor]
Site Internet  https://www.nordicsemi.com/
Logo NORDIC - Nordic Semiconductor

NRF7002-CEAA-R7 Fiches technique(HTML) 18 Page - Nordic Semiconductor

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Quad Serial Peripheral Interface
Byte 1
Byte 2
Byte 3
SCK
CSN
IO0
IO1
IO2
IO3
Hi-Z
Command – 5h
Status Register out
0 1 2 3 4 5 6 7
1 2 3 4 5 6 7
0
1
0
7 6 5 4 3 2 1 0 7 6
Figure 6: RDSR (Read status register 0)
The following figure shows the timing diagram for the cipher initialization command.
Byte 1
Byte 2
Byte 3
SCK
CSN
IO0
IO1
IO2
IO3
Hi-Z
Command – 4Fh
NONCE CFG
0 1 2 3 4 5 6 7
1 2 3 4 5 6 7
0
1
0
7 6 5 4 3 2 1 0 7 6
Figure 7: CIPHER INIT (Initialize cipher)
The following figures show the timing diagram for the data read and program commands.
Byte 1
Byte 2, 3, 4
Byte 5
Byte 6
Byte 7
SCK
CSN
IO0
IO1
IO2
IO3
Hi-Z
Command – 0Bh
24-bit
address
0 1 2 3 4 5 6 7 0 1 2 3
8 dummy bits
21 22 23
1 2 3 4 5 6 7
0
1 2 3 4 5 6 7
0
1
0
23
7 6 5 4 3 2 1 0 7 6
22 21 20
2 1 0
1
Data in
2
Figure 8: FASTREAD (Read bytes at higher speed)
4486_184 v1.2
18



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