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RF96 Datasheet(PDF) 60 Page - HOPE Microelectronics CO., Ltd.

Part No. RF96
Description  Low Power Long Range Transceiver
Download  121 Pages
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Maker  HOPE [HOPE Microelectronics CO., Ltd.]
Homepage  https://www.hoperf.com/
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 60 page
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Page 60
RF96/97/98
Tel: +86-755-82973805
Fax: +86-755-82973550
E-mail: sales@hoperf.com http://www.hoperf.com
WIRELESS & SENSING
PRELIMINARY
DATASHEET
4.2.9. Data Processing in FSK/OOK Mode
4.2.9.1. Block Diagram
Figure below illustrates the RF96/97/98 data processing circuit. Its role is to interface the data to/from the modulator/
demodulator and the uC access points (SPI and DIO pins). It also controls all the configuration registers.
The circuit contains several control blocks which are described in the following paragraphs.
Tx/Rx
CONTROL
DIO0
DIO1
DIO2
DIO3
DIO4
DIO5
Data
Rx
SYNC
RECOG.
Tx
PACKET
HANDLER
FIFO
(+SR)
SPI
NSS
SCK
MOSI
MISO
Potential datapaths (data operation mode dependant)
Figure 25. RF96/97/98 Data Processing Conceptual View
The RF96/97/98 implements several data operation modes, each with their own data path through the data processing
section. Depending on the data operation mode selected, some control blocks are active whilst others remain disabled.
4.2.9.2. Data Operation Modes
The RF96/97/98 has two different data operation modes selectable by the user:
ļ· Continuous mode: each bit transmitted or received is accessed in real time at the DIO2/DATA pin. This mode may be
used if adequate external signal processing is available.
ļ· Packet mode (recommended): user only provides/retrieves payload bytes to/from the FIFO. The packet is automatically
built with preamble, Sync word, and optional CRC and DC-free encoding schemes The reverse operation is performed
in reception. The uC processing overhead is hence significantly reduced compared to Continuous mode. Depending on
the optional features activated (CRC, etc) the maximum payload length is limited to 255, 2047 bytes or unlimited.
Each of these data operation modes is fully described in the following sections.




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