Microchip Technology dsPIC33 series - Figure 12-1: Interrupt Multiplexing

 2018 Microchip Technology Inc. DS70005340A-page 105
CAN FD Protocol Module
Figure 12-1: Interrupt Multiplexing
RX Interrupt
Interrupt PinsMain InterruptsFIFO Combined
Interrupts
FIFO Individual
Interrupts
C1TXQCONL, C1TXQSTA
C1FIFOCONxL, C1FIFOSTAx
RFFIE
RFFIF
RFHIE
RFHIF
RFNIE
RFNIF
TXQEIE
TXQEIF
TXQNIE
TXQNIF
TFEIE
TFEIF
TFHIE
TFHIF
TFNIE
TFNIF
RXOVIE
RXOVIF
TXATIE
TXATIF
C1TEFCONL
C1TEFSTA
TXATIE
TXATIF
TEFOVIE
TEFOVIF
TEFFIE
TEFFIF
TEFHIE
TEFHIF
TEFNEIE
TEFNEIF
1 FIFO
31 FIFOs
1 TXQ
31 FIFOs
31x
1x
31x
RFIFH<15:0> (C1RXIFH)
RFIFL<15:1> (C1RXIFL)
TFIF<0> (C1TXIFL)
C1TXIFH<15:0>
C1TXIFL<15:1>
C1RXOVIFH<15:0>
C1RXOVIFL<15:1>
C1TXATIFH<15:0>
C1TXATIFL<15:1>
C1TXATIFL<0>
31 FIFOs
1 TXQ
31 FIFOs
31x 1x 31x
32x
31x
32x
TXIE (C1INTH)
TXIF (C1INTL)
RXOVIE (C1INTH)
RXOVIF (C1INTL)
TXATIE (C1INTH)
TXATIF (C1INTL)
TEFIE (C1INTH)
TEFIF (C1INTL)
IVMIE (C1INTH)
IVMIF (C1INTL)
WAKIE (C1INTH)
WAKIF (C1INTL)
CERRIE (C1INTH)
CERRIF (C1INTL)
MODIE (C1INTH)
MODIF (C1INTL)
TBCIE (C1INTH)
TBCIF (C1INTL)
SERRIE (C1INTH)
SERRIF (C1INTL)
RXIE (C1INTH)
RXIF (C1INTL)
31x
TX Interrupt
Info Interrupt
OR