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NRF7002-QFAA-R Fiches technique(PDF) 19 Page - Nordic Semiconductor

No de pièce NRF7002-QFAA-R
Description  nRF7002
PDF  61 Pages
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Fabricant  NORDIC [Nordic Semiconductor]
Site Internet  https://www.nordicsemi.com/
Logo NORDIC - Nordic Semiconductor

NRF7002-QFAA-R Fiches technique(HTML) 19 Page - Nordic Semiconductor

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Quad Serial Peripheral Interface
Byte 1
SCK
CSN
IO0
IO1
IO2
IO3
Hi-Z
Command – EBh
24-bit address
4 dummy
bits
0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1
21
20
7 3 7 3 7 3 7 3 7
6 2 6 2 6 2 6 2 6
5 1 5 1 5 1 5 1 5
4 0 4 0 4 0 4 0 4
3
2 zeros
1
2
3
4
5
Data in
16 12 8 4 0
17 13 9 5 1
22 18 14 10 6 2
23 19 15 11 7
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
6
7
Figure 9: READ4IO (Quad-read input/output)
Byte 1
Byte 2, 3, 4
Byte 5
Byte 6
Byte 7
SCK
CSN
IO0
IO1
IO2
IO3
Hi-Z
Command – 02h
24-bit
address
0 1 2 3 4 5 6 7 0 1 2 3
1
3
21 22 23
1 2 3 4 5 6 7
0
1 2 3 4 5 6 7
0
1
0
23 22 21 20
2 1 0
2
7 6 5 4 3 2 1 0
7 6
7 6 5 4 3 2 1 0
Data out
Figure 10: PP (Page program)
Byte 1
SCK
CSN
IO0
IO1
IO2
IO3
Hi-Z
Command – 38h
24-bit address
0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1
21
20
3
1
2
3
4
5
Data out
16 12 8 4 0
17 13 9 5 1
22 18 14 10 6 2
23 19 15 11 7
6
7
0
4
0
4
0
4
0
4
0
4
0
4
0
4
0
4
0
4
0
4
1
5
1
5
1
5
1
5
1
5
1
5
1
5
1
5
1
5
1
5
2
6
2
6
2
6
2
6
2
6
2
6
2
6
2
6
2
6
2
6
3
7
3
7
3
7
3
7
3
7
3
7
3
7
3
7
3
7
3
7
8
9
10
Figure 11: PP4IO (Quad-page program input/output)
7.2 Stream cipher
The data transactions between the master and the slave can be protected using stream cipher encryption.
Encryption can be configured and enabled with the CIPHER_INIT command.
The following figure shows the stream cipher block with the configuration inputs. The stream cipher uses
an AES 128 encryption operation to form the keystream from key, nonce, and external memory address.
The keystream then combines each 32-bit plaintext digit one at a time with the corresponding digit of the
keystream.
4486_184 v1.0
19



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