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PIC16F16-E/PQTP Datasheet(PDF) 17 Page - Microchip Technology |
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PIC16F16-E/PQTP Datasheet(HTML) 17 Page - Microchip Technology |
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17 / 136 page ![]() © 2007 Microchip Technology Inc. DS41206B-page 15 PIC16F716 2.2.2.5 PIR1 Register This register contains the individual flag bits for the peripheral interrupts. Note: Interrupt flag bits get set when an interrupt condition occurs, regardless of the state of its corresponding enable bit or the global enable bit, GIE of the INTCON register. User software should ensure the appropriate interrupt flag bits are clear prior to enabling an interrupt. REGISTER 2-5: PIR1: PERIPHERAL INTERRUPT REQUEST REGISTER 1 U-0 R/W-0 R/W-0 R/W-0 R/W-0 U-0 R/W-0 R/W-0 —ADIF — — — CCP1IF TMR2IF TMR1IF 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 Unimplemented: Read as ‘0’ bit 6 ADIF: A/D Interrupt Flag bit 1 = A/D conversion complete 0 = A/D conversion has not completed or has not been started bit 5-3 Unimplemented: Read as ‘0’ bit 2 CCP1IF: CCP1 Interrupt Flag bit Capture Mode 1 = A TMR1 register capture occurred (must be cleared in software) 0 = No TMR1 register capture occurred Compare Mode 1 = A TMR1 register compare match occurred (must be cleared in software) 0 = No TMR1 register compare match occurred PWM Mode Unused in this mode bit 1 TMR2IF: Timer2 to PR2 Match Interrupt Flag bit 1 = Timer2 to PR2 match occurred (must be cleared in software) 0 = Timer2 to PR2 match has not occurred bit 0 TMR1IF: Timer1 Overflow Interrupt Flag bit 1 = Timer1 register overflowed (must be cleared in software) 0 = Timer1 has not overflowed |
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