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PIC16F716 Datasheet(PDF) 17 Page - Microchip Technology |
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PIC16F716 Datasheet(HTML) 17 Page - Microchip Technology |
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17 / 126 page ![]() 2003 Microchip Technology Inc. Preliminary DS41206A-page 15 PIC16F716 2.2.2.5 PIR1 Register This register contains the individual flag bits for the peripheral interrupts. REGISTER 2-5: PIR1 REGISTER (ADDRESS: 0Ch) 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 (INTCON<7>). User software should ensure the appropriate interrupt flag bits are clear prior to enabling an interrupt. U-0 R/W-0 U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 —ADIF — — — CCP1IF TMR2IF TMR1IF bit 7 bit 0 bit 7 Unimplemented: Read as ‘0’ bit 6 ADIF: A/D Converter Interrupt Flag bit 1 = An A/D conversion completed (must be cleared in software) 0 = The A/D conversion is not complete 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: TMR2 to PR2 Match Interrupt Flag bit 1 = TMR2 to PR2 match occurred (must be cleared in software) 0 = No TMR2 to PR2 match occurred bit 0 TMR1IF: TMR1 Overflow Interrupt Flag bit 1 = TMR1 register overflowed (must be cleared in software) 0 = TMR1 register did not overflow 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 |
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