PIC16 datasheet(81/418 Pages) MICROCHIP

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DS40001609C-page 81

PIC16(L)F1508/9

PIR2: PERIPHERAL INTERRUPT REQUEST REGISTER 2

R/W-0/0

U-0

R/W-0/0

U-0

OSFIF

C2IF

C1IF

—

BCL1IF

NCO1IF

—

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

u = Bit is unchanged

x = Bit is unknown

-n/n = Value at POR and BOR/Value at all other Resets

‘1’ = Bit is set

‘0’ = Bit is cleared

bit 7

OSFIF: Oscillator Fail Interrupt Flag bit

1 = Interrupt is pending

0 = Interrupt is not pending

bit 6

C2IF: Numerically Controlled Oscillator Flag bit

1 = Interrupt is pending

0 = Interrupt is not pending

bit 5

C1IF: Numerically Controlled Oscillator Flag bit

1 = Interrupt is pending

0 = Interrupt is not pending

bit 4

Unimplemented: Read as ‘0’

bit 3

BCL1IF: MSSP Bus Collision Interrupt Flag bit

1 = Interrupt is pending

0 = Interrupt is not pending

bit 2

NCO1IF: Numerically Controlled Oscillator Flag bit

1 = Interrupt is pending

0 = Interrupt is not pending

bit 1-0

Unimplemented: Read as ‘0’

Note:

Interrupt flag bits are set when an interrupt

condition occurs, regardless of the state of

its corresponding enable bit or the Global

Interrupt Enable bit, GIE of the INTCON

appropriate interrupt flag bits are clear prior

to enabling an interrupt.

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