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LLCC68 Datasheet(PDF) 53 Page - Semtech Corporation

Part # LLCC68
Description  Long Range, Low Power, sub-GHz RF Transceiver
PDF  111 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

LLCC68 Datasheet(HTML) 53 Page - Semtech Corporation

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LLCC68
Data Sheet
Rev. 1.1
DS.LLCC68.W.APP
Dec 2024
53 of 111
Semtech
LLCC68
www.semtech.com
8.5 IRQ Handling
In total there are 10 possible interrupt sources depending on the selected frame and chip mode. Each one can be enabled or masked. In
addition, each one can be mapped to DIO1, DIO2 or DIO3.
For more information on how to setup IRQ and DIOs, refer to the function SetDioIrqParams() in Section 13.3.1 "SetDioIrqParams" on
page 78 .
Table 8-4: IRQ Status Registers
Bit
IRQ
Description
Modulation
0
TxDone
Packet transmission completed
All
1
RxDone
Packet received
All
2
PreambleDetected
Preamble detected
All
3
SyncWordValid
Valid Sync Word detected
FSK
4
HeaderValid
Valid LoRa Header received
LoRa
5
HeaderErr
LoRa Header CRC error
LoRa
6
CrcErr
Wrong CRC received
All
7
CadDone
Channel activity detection finished
LoRa
8
CadDetected
Channel activity detected
LoRa
9
Timeout
Rx or Tx Timeout
All



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