PIC18F258-ESLASHLSQTP datasheet(224/402 Pages) MICROCHIP

224 / 402 page

PIC18FXX8

DS41159E-page 222

19.2.6

CAN INTERRUPT REGISTERS

The registers in this section are the same as described

in Section 8.0 “Interrupts”. They are duplicated here

for convenience.

R/W-0

IRXIF

WAKIF

ERRIF

TXB2IF

TXB1IF

TXB0IF

RXB1IF

RXB0IF

bit 7

bit 0

bit 7

IRXIF: CAN Invalid Received Message Interrupt Flag bit

= An invalid message has occurred on the CAN bus

= No invalid message on CAN bus

bit 6

WAKIF: CAN bus Activity Wake-up Interrupt Flag bit

= Activity on CAN bus has occurred

= No activity on CAN bus

bit 5

ERRIF: CAN bus Error Interrupt Flag bit

= An error has occurred in the CAN module (multiple sources)

= No CAN module errors

bit 4

TXB2IF: CAN Transmit Buffer 2 Interrupt Flag bit

= Transmit Buffer 2 has completed transmission of a message and may be reloaded

= Transmit Buffer 2 has not completed transmission of a message

bit 3

TXB1IF: CAN Transmit Buffer 1 Interrupt Flag bit

= Transmit Buffer 1 has completed transmission of a message and may be reloaded

= Transmit Buffer 1 has not completed transmission of a message

bit 2

TXB0IF: CAN Transmit Buffer 0 Interrupt Flag bit

= Transmit Buffer 0 has completed transmission of a message and may be reloaded

= Transmit Buffer 0 has not completed transmission of a message

bit 1

RXB1IF: CAN Receive Buffer 1 Interrupt Flag bit

= Receive Buffer 1 has received a new message

= Receive Buffer 1 has not received a new message

bit 0

RXB0IF: CAN Receive Buffer 0 Interrupt Flag bit

= Receive Buffer 0 has received a new message

= Receive Buffer 0 has not received a new message

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

PIC18F258-E/LSQTP Datasheet(PDF) 224 Page - Microchip Technology

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