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PIC16F707 Datasheet(PDF) 39 Page - Microchip Technology |
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PIC16F707 Datasheet(HTML) 39 Page - Microchip Technology |
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39 / 284 page ![]() 2010 Microchip Technology Inc. Preliminary DS41418A-page 39 PIC16F707/PIC16LF707 4.0 INTERRUPTS The PIC16F707/PIC16LF707 device family features an interruptible core, allowing certain events to preempt normal program flow. An Interrupt Service Routine (ISR) is used to determine the source of the interrupt and act accordingly. Some interrupts can be configured to wake the MCU from Sleep mode. The PIC16F707 family has 16 interrupt sources, differentiated by corresponding interrupt enable and flag bits: • Timer0 Overflow Interrupt • External Edge Detect on INT Pin Interrupt • PORTB Change Interrupt • Timer1 Gate Interrupt • A/D Conversion Complete Interrupt • AUSART Receive Interrupt • AUSART Transmit Interrupt • SSP Event Interrupt • CCP1 Event Interrupt • Timer2 Match with PR2 Interrupt • Timer1 Overflow Interrupt • CCP2 Event Interrupt • TimerA Overflow Interrupt • TimerB Overflow Interrupt • Timer3 Overflow Interrupt • Timer3 Gate Interrupt A block diagram of the interrupt logic is shown in Figure 4-1. FIGURE 4-1: INTERRUPT LOGIC TMR0IF TMR0IE INTF INTE RBIF RBIE GIE PEIE Wake-up (If in Sleep mode)(1) Interrupt to CPU TMR1GIE TMR1GIF ADIF ADIE IOC-RB0 IOCB0 IOC-RB1 IOCB1 IOC-RB2 IOCB2 IOC-RB3 IOCB3 CCP1IF CCP1IE IOC-RB4 IOCB4 IOC-RB5 IOCB5 IOC-RB6 IOCB6 IOC-RB7 IOCB7 RCIF RCIE TMR2IE TMR2IF SSPIE SSPIF TXIE TXIF TMR1IE TMR1IF Note 1: Some peripherals depend upon the system clock for operation. Since the system clock is suspended during Sleep, these peripherals will not wake the part from Sleep. See Section 21.1 “Wake-up from Sleep”. CCP2IF CCP2IE TMRAIF TMRAIE TMR3IF TMR3IE TMR3GIF TMR3GIE TMRBIF TMRBIE |
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