Pages created and updated by Terry Sturtevant Date Posted: May 12, 2017

CP316: Microprocessor Systems and Interfacing

Interrupt Chart

Interrupt Priority Bit Local Enable Bit Local Flag Bit Edge/Level Select
INT0 always high priority INTCON INT0IE INTCON INT0IF INTCON2 INTEDG0
INT1 INTCON3 INT1IP INTCON3 INT1IE INTCON3 INT1IF INTCON2 INTEDG1
INT2 INTCON3 INT2IP INTCON3 INT2IE INTCON3 INT2IF INTCON2 INTEDG2
RB change INTCON2 RBIP INTCON RBIE INTCON RBIF INTCON2 RBPU
Timer0 INTCON2 TMR0IP INTCON TMR0IE INTCON TMR0IF
Timer1 IPR1 TMR1IP PIE1 TMR1IE PIR1 TMR1IF
Timer2 IPR1 TMR2IP PIE1 TMR2IE PIR1 TMR2IF
Timer3 IPR2 TMR3IP PIE2 TMR3IE PIR2 TMR3IF
CCP1 IPR1 CCP1IP PIE1 CCP1IE PIR1 CCP1IF
CCP2 IPR2 CCP2IP PIE2 CCP2IE PIR2 CCP2IF
A/D converter IPR1 ADIP PIE1 ADIE PIR1 ADIF
USART receive IPR1 RCIP PIE1 RCIE PIR1 RCIF
USART transmit IPR1 TXIP PIE1 TXIE PIR1 TXIF
Synchronous Serial Port IPR1 SSPIP PIE1 SSPIE PIR1 SSPIF
Parallel slave port IPR1 PSPIP PIE1 PSPIE PIR1 PSPIF
Low voltage detect IPR2 LVDIP PIE2 LVDIE PIR2 LVDIF
Bus collision IPR2 BCLIP PIE2 BCLIE PIR2 BCLIF
EEPROM IPR2 EEIP PIE2 EEIE PIR2 EEIF
Interrupt priority enable RCON IPEN
High priority INTCON GIEH
Low priority INTCON GIEL
Reset RCON RI
Watchdog time-out RCON TO
Power-down detection RCON PD
Power-on reset status RCON POR
Brown-out reset status RCON BOR


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