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LLCC68 Datasheet(PDF) 53 Page - Semtech Corporation |
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LLCC68 Datasheet(HTML) 53 Page - Semtech Corporation |
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53 / 111 page ![]() 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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