Datasheet

PIC24F16KL402 FAMILY
DS30001037C-page 74  2011-2013 Microchip Technology Inc.
REGISTER 8-6: IFS1: INTERRUPT FLAG STATUS REGISTER 1
R/W-0 R/W-0 R/W-0 U-0 R/W-0 U-0 R/W-0 U-0
U2TXIF
(1)
U2RXIF
(1)
INT2IF —T4IF
(1)
— CCP3IF
(1)
—
bit 15 bit 8
U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — — INT1IF CNIF CMIF BCL1IF SSP1IF
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 15 U2TXIF: UART2 Transmitter Interrupt Flag Status bit
(1)
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 14 U2RXIF: UART2 Receiver Interrupt Flag Status bit
(1)
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 13 INT2IF: External Interrupt 2 Flag Status bit
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 12 Unimplemented: Read as ‘0’
bit 11 T4IF: Timer4 Interrupt Flag Status bit
(1)
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 10 Unimplemented: Read as ‘0’
bit 9 CCP3IF: Capture/Compare/PWM3 Interrupt Flag Status bit
(1)
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 8-5 Unimplemented: Read as ‘0’
bit 4 INT1IF: External Interrupt 1 Flag Status bit
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 3 CNIF: Input Change Notification Interrupt Flag Status bit
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 2 CMIF: Comparator Interrupt Flag Status bit
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 1 BCL1IF: MSSP1 I
2
C™ Bus Collision Interrupt Flag Status bit
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
bit 0 SSP1IF: MSSP1 SPI/I
2
C Event Interrupt Flag Status bit
1 = Interrupt request has occurred
0 = Interrupt request has not occurred
Note 1: These bits are unimplemented on PIC24FXXKL10X and PIC24FXXKL20X devices.