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RF64W датащи(PDF) 37 Page - HOPE Microelectronics CO., Ltd.

номер детали RF64W
подробное описание детали  Ultra-Low Power Integrated 300-510MHz Transceiver
PDF  76 Pages
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производитель  HOPE [HOPE Microelectronics CO., Ltd.]
домашняя страница  https://www.hoperf.com/
Logo HOPE - HOPE Microelectronics CO., Ltd.

RF64W датащи(HTML) 37 Page - HOPE Microelectronics CO., Ltd.

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ADVANCED COMMUNICATIONS & SENSING
Page 37 of 76
RF64
Tel: +86-755-82973805 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com
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NSS_CONFIG (In)
SCK (In)
MOSI (In)
start
rw
A(4) A(3) A(2) A(1)
Address = A1
A(0) stop
x
x
x
x
x
x
x
x
Current value at
address A1
MISO (Out)
HZ
x
x
x
x
x
x
x
x
D(7) D(6) D(5) D(4) D(3) D(2) D(1)
D(0)
HZ
Figure 28: Read Register Sequence
Note that when reading more than one register successively, it is not compulsory to toggle NSS_CONFIG back
high between two read sequences. The bytes are alternatively considered as address and value.
5.2.1.3. SPI Data
 Write Byte (before/during Tx)
To write bytes into the FIFO the timing diagram below should be carefully followed by the uC.
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6
7
8
1
2
3
4
5
6
7
8
NSS_DATA (In)
SCK (In)
1
st byte written
2
nd byte written
MOSI (In)
D1(7)
D1(6)
D1(5)
D1(4)
D1(3)
D1(2)
D1(1)
x
D1(0)
D2(7)
D2(6)
D2(5)
D2(4)
D2(3)
D2(2)
D2(1)
D2(0)
MISO (Out) HZ
x
x
x
x
x
x
x
x
HZ
x
x
x
x
x
x
x
x
x
HZ
Figure 29: Write Bytes Sequence (ex: 2 bytes)
Note that it is compulsory to toggle NSS_DATA back high between each byte written.
The byte is pushed into the FIFO on the rising edge of NSS_DATA



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