
2010 Microchip Technology Inc.
DS21801F-page 51
MCP2515
REGISTER 7-2:
CANINTF – INTERRUPT FLAG
(ADDRESS: 2Ch)
R/W-0
MERRF
WAKIF
ERRIF
TX2IF
TX1IF
TX0IF
RX1IF
RX0IF
bit 7
bit 0
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
bit 7
MERRF: Message Error Interrupt Flag bit
1
= Interrupt pending (must be cleared by MCU to reset interrupt condition)
0
= No interrupt pending
bit 6
WAKIF: Wakeup Interrupt Flag bit
1
= Interrupt pending (must be cleared by MCU to reset interrupt condition)
0
= No interrupt pending
bit 5
ERRIF: Error Interrupt Flag bit (multiple sources in EFLG register)
1
= Interrupt pending (must be cleared by MCU to reset interrupt condition)
0
= No interrupt pending
bit 4
TX2IF: Transmit Buffer 2 Empty Interrupt Flag bit
1
= Interrupt pending (must be cleared by MCU to reset interrupt condition)
0
= No interrupt pending
bit 3
TX1IF: Transmit Buffer 1 Empty Interrupt Flag bit
1
= Interrupt pending (must be cleared by MCU to reset interrupt condition)
0
= No interrupt pending
bit 2
TX0IF: Transmit Buffer 0 Empty Interrupt Flag bit
1
= Interrupt pending (must be cleared by MCU to reset interrupt condition)
0
= No interrupt pending
bit 1
RX1IF: Receive Buffer 1 Full Interrupt Flag bit
1
= Interrupt pending (must be cleared by MCU to reset interrupt condition)
0
= No interrupt pending
bit 0
RX0IF: Receive Buffer 0 Full Interrupt Flag bit
1
= Interrupt pending (must be cleared by MCU to reset interrupt condition)
0
= No interrupt pending