Datasheet

ManualsBrandsMICROCHIP TECHNOLOGY ManualsMicrocontrollers, Microprocessors & QuartzesEmbedded microcontroller SSOP 20 16-Bit 32 MHz I/O number 18

 2008-2011 Microchip Technology Inc. DS39927C-page 71

PIC24F16KA102 FAMILY

REGISTER 8-5: IFS0: INTERRUPT FLAG STATUS REGISTER 0

R/W-0, HS U-0 R/W-0, HS R/W-0, HS R/W-0, HS R/W-0, HS R/W-0, HS R/W-0, HS

NVMIF — AD1IF U1TXIF U1RXIF SPI1IF SPF1IF T3IF

bit 15 bit 8

R/W-0, HS U-0 U-0 U-0 R/W-0, HS R/W-0, HS R/W-0, HS R/W-0, HS

T2IF

— — — T1IF OC1IF IC1IF INT0IF

bit 7 bit 0

Legend: HS = Hardware Settable bit

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 NVMIF: NVM Interrupt Flag Status bit

1 = Interrupt request has occurred

0 = Interrupt request has not occurred

bit 14 Unimplemented: Read as ‘0’

bit 13 AD1IF: A/D Conversion Complete Interrupt Flag Status bit

1 = Interrupt request has occurred

0 = Interrupt request has not occurred

bit 12 U1TXIF: UART1 Transmitter Interrupt Flag Status bit

1 = Interrupt request has occurred

0 = Interrupt request has not occurred

bit 11 U1RXIF: UART1 Receiver Interrupt Flag Status bit

1 = Interrupt request has occurred

0 = Interrupt request has not occurred

bit 10 SPI1IF: SPI1 Event Interrupt Flag Status bit

1 = Interrupt request has occurred

0 = Interrupt request has not occurred

bit 9 SPF1IF: SPI1 Fault Interrupt Flag Status bit

1 = Interrupt request has occurred

0 = Interrupt request has not occurred

bit 8 T3IF: Timer3 Interrupt Flag Status bit

1 = Interrupt request has occurred

0 = Interrupt request has not occurred

bit 7 T2IF: Timer2 Interrupt Flag Status bit

1 = Interrupt request has occurred

0 = Interrupt request has not occurred

bit 6-4 Unimplemented: Read as ‘0’

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

bit 1 IC1IF: Input Capture Channel 1 Interrupt Flag Status bit

1 = Interrupt request has occurred

0 = Interrupt request has not occurred

bit 0 INT0IF: External Interrupt 0 Flag Status bit

1 = Interrupt request has occurred

0 = Interrupt request has not occurred