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PIC16LC712 датащи(PDF) 17 Page - Microchip Technology |
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PIC16LC712 датащи(HTML) 17 Page - Microchip Technology |
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17 / 106 page ![]() 1999-2013 Microchip Technology Inc. DS41106C-page 17 PIC16C712/716 2.2.2.5 PIR1 Register This register contains the individual flag bits for the peripheral interrupts. FIGURE 2-8: 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 soft- ware should ensure the appropriate inter- rupt flag bits are clear prior to enabling an interrupt. U-0 R/W-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 — ADIF — — — CCP1IF TMR2IF TMR1IF R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ -n = Value at POR Reset bit7 bit0 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 |
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