MCP2515
REGISTER 7-2:
CANINTF – INTERRUPT FLAG
(ADDRESS: 2Ch)
R/W-0
R/W-0
R/W-0
ERRIF
R/W-0
TX2IF
R/W-0
TX1IF
R/W-0
TX0IF
R/W-0
RX1IF
R/W-0
RX0IF
MERRF
WAKIF
bit 7
bit 0
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
MERRF: Message Error Interrupt Flag bit
1= Interrupt pending (must be cleared by MCU to reset interrupt condition)
0= No interrupt pending
WAKIF: Wakeup Interrupt Flag bit
1= Interrupt pending (must be cleared by MCU to reset interrupt condition)
0= No interrupt pending
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
TX2IF: Transmit Buffer 2 Empty Interrupt Flag bit
1= Interrupt pending (must be cleared by MCU to reset interrupt condition)
0= No interrupt pending
TX1IF: Transmit Buffer 1 Empty Interrupt Flag bit
1= Interrupt pending (must be cleared by MCU to reset interrupt condition)
0= No interrupt pending
TX0IF: Transmit Buffer 0 Empty Interrupt Flag bit
1= Interrupt pending (must be cleared by MCU to reset interrupt condition)
0= No interrupt pending
RX1IF: Receive Buffer 1 Full Interrupt Flag bit
1= Interrupt pending (must be cleared by MCU to reset interrupt condition)
0= No interrupt pending
RX0IF: Receive Buffer 0 Full Interrupt Flag bit
1= Interrupt pending (must be cleared by MCU to reset interrupt condition)
0= No interrupt pending
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared x = Bit is unknown
‘1’ = Bit is set
© 2005 Microchip Technology Inc.
Preliminary
DS21801D-page 51
MICROCHIP [ MICROCHIP ]
