dsPIC30F Family Reference Manual
DS70070B-page 23-20 © 2004 Microchip Technology Inc.
Register 23-23: CiINTF: Interrupt Flag Register
Upper Byte:
R/C-0 R/C-0 R-0 R-0 R-0 R-0 R-0 R-0
RX0OVR RX1OVR TXBO TXEP RXEP TXWAR RXWAR EWARN
bit 15 bit 8
Lower Byte:
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
IVRIF WAKIF ERRIF TX2IF TX1IF TX0IF RX1IF RX0IF
bit 7 bit 0
bit 15 RX0OVR: Receive Buffer 0 Overflowed bit
1 = Receive buffer 0 overflowed
0 = Receive buffer 0 not overflowed
bit 14 RX1OVR: Receive Buffer 1 Overflowed bit
1 = Receive buffer 1 overflowed
0 = Receive buffer 1 not overflowed
bit 13 TXBO: Transmitter in Error State, Bus Off bit
1 = Transmitter in error state, bus off
0 = Transmitter not in error state, bus off
bit 12 TXEP: Transmitter in Error State, Bus Passive bit
1 = Transmitter in error state, bus passive
0 = Transmitter not in error state, bus passive
bit 11 RXEP: Receiver in Error State, Bus Passive bit
1 = Receiver in error state, bus passive
0 = Receiver not in error state, bus passive
bit 10 TXWAR: Transmitter in Error State, Warning bit
1 = Transmitter in error state, warning
0 = Transmitter not in error state, warning
bit 9 RXWAR: Receiver in Error State, Warning bit
1 = Receiver in error state, warning
0 = Receiver not in error state, warning
bit 8 EWARN: Transmitter or Receiver is in Error State, Warning bit
1 = Transmitter or receiver is in error state, warning
0 = Transmitter and receiver are not in error state
bit 7 IVRIF: Invalid Message Received Interrupt Flag bit
1 = Some type of error occurred during reception of the last message
0 = Receive error has not occurred
bit 6 WAKIF: bus Wake-up Activity Interrupt Flag bit
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 5 ERRIF: Error Interrupt Flag bit (multiple sources in CiINTF<15:8> register)
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 4 TX2IF: Transmit Buffer 2 Interrupt Flag bit
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 3 TX1IF: Transmit Buffer 1 Interrupt Flag bit
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
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