Table 4-2: Irqtoenable Interruption Mapping - Semtech LR1121 User Manual

The interrupts mapping table IrqToEnable is as follows:

Table 4-2: IrqToEnable Interruption Mapping

Bit Interrupt
0
1
2 TxDone
3 RxDone
4 PreambleDetected
5 SyncWordValid / HeaderValid
6 HeaderErr
7
8 CadDone
9 CadDetected
10 Timeout
11 LrFhssHop
12-18
19-20
21
22 CmdError
23
24 FskLenError
25 FskAddrError
26-31
LR1121
User Manual Rev 1.1
UM.LR1121.W.APP Mar 2023
RFU
RFU
Err
RFU
RFU
LBD
Error
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Description
Packet transmission completed
Packet received
Preamble detected
Valid sync word / LoRa® header detected
LoRa header CRC error
Packet received with error.
LoRa: Wrong CRC received
(G)FSK
LoRa Channel activity detection finished
LoRa Channel activity detected
RX or TX timeout
LR-FHSS intra-packet hopping
Low Battery Detection
Host command error
An error other than a command error occurred (see GetErrors)
IRQ raised if the packet was received with a length error
IRQ raised if the packet was received with an address error
RFU
RFU
: CRC error
RFU
RFU
RFU
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