Adeunis RF ARF44 User Manual - Page 15
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RF44
A
User Guide
Transceiver state machine
When operating in transceiver mode the 'RF transmission' state machine is:
Idle state of the transceiver: by default the transceiver is waiting for
incoming data on the serial link and for incoming radio frame on the radio
link. The serial link has a higher priority than the radio link (if a radio frame
is demodulated meanwhile some characters are detected on the serial link,
the radio frame will be discarded and the serial incoming data will be
processed).
Processing incoming serial data: the incoming serial data are internally
buffered. The buffered data are sent on a radio frame (the RF modulation is
started) when at least one data is available and the preambule + synchro has
been sent on the radio
Processing incoming radio frame: the valid data are extracted from the
incoming radio frame and internally buffered. The buffered data are sent on
the fly to the serial module output. The internal buffer is limited to 64 bytes.
Ref. 08-07-V5-lmn
p. 13
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