Microchip Technology dsPIC30F - Page 136

dsPIC30F Family Reference Manual
DS70053C-page 6-18 © 2004 Microchip Technology Inc.
Register 6-5: IFS0: Interrupt Flag Status Register 0
Upper 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
CNIF MI2CIF SI2CIF NVMIF ADIF U1TXIF U1RXIF SPI1IF
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
T3IF T2IF OC2IF IC2IF T1IF OC1IF IC1IF INT0IF
bit 7 bit 0
bit 15 CNIF: Input Change Notification Flag Status bit
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 14 MI2CIF: I
2
C Bus Collision Flag Status bit
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 13 SI2CIF: I
2
C Transfer Complete Interrupt Flag Status bit
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 12 NVMIF: Non-Volatile Memory Write Complete Interrupt Flag Status bit
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 11 ADIF: A/D Conversion Complete Interrupt Flag Status bit
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 10 U1TXIF: UART1 Transmitter Interrupt Flag Status bit
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 9 U1RXIF: UART1 Receiver Interrupt Flag Status bit
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 8 SPI1IF: SPI1 Interrupt Flag Status bit
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 7 T3IF: Timer3 Interrupt Flag Status bit
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 6 T2IF: Timer2 Interrupt Flag Status bit
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 5 OC2IF: Output Compare Channel 2 Interrupt Flag Status bit
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 4 IC2IF: Input Capture Channel 2 Interrupt Flag Status bit
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 3 T1IF: Timer1 Interrupt Flag Status bit
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 2 OC1IF: Output Compare Channel 1 Interrupt Flag Status bit
1 = Interrupt request has occurred
0 = Interrupt request has not occurred