PIC18F1XK50 datasheet(73/422 Pages) MICROCHIP

73 / 422 page

 2010 Microchip Technology Inc.

Preliminary

DS41350D-page 73

PIC18F/LF1XK50

PIR2: PERIPHERAL INTERRUPT REQUEST (FLAG) REGISTER 2

R/W-0

U-0

OSCFIF

C1IF

C2IF

EEIF

BCLIF

USBIF

TMR3IF

—

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 7

OSCFIF: Oscillator Fail Interrupt Flag bit

1 = Device oscillator failed, clock input has changed to HFINTOSC (must be cleared by software)

0 = Device clock operating

bit 6

C1IF: Comparator C1 Interrupt Flag bit

1 = Comparator C1 output has changed (must be cleared by software)

0 = Comparator C1 output has not changed

bit 5

C2IF: Comparator C2 Interrupt Flag bit

1 = Comparator C2 output has changed (must be cleared by software)

0 = Comparator C2 output has not changed

bit 4

EEIF: Data EEPROM/Flash Write Operation Interrupt Flag bit

1 = The write operation is complete (must be cleared by software)

0 = The write operation is not complete or has not been started

bit 3

BCLIF: Bus Collision Interrupt Flag bit

1 = A bus collision occurred (must be cleared by software)

0 = No bus collision occurred

bit 2

USBIF: USB Interrupt Flag bit

1 = USB has requested an interrupt (must be cleared in software)

0 = No USB interrupt request

bit 1

TMR3IF: TMR3 Overflow Interrupt Flag bit

1 = TMR3 register overflowed (must be cleared by software)

0 = TMR3 register did not overflow

bit 0

Unimplemented: Read as ‘0’

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