PIC18F2450/4450
FIGURE 8-1:
INTERRUPT LOGIC
Wake-up if in Sleep Mode
TMR0IF
TMR0IE
TMR0IP
RBIF
RBIE
RBIP
INT0IF
INT0IE
Interrupt to CPU
Vector to Location
0008h
INT1IF
INT1IE
INT1IP
INT2IF
INT2IE
INT2IP
Peripheral Interrupt Flag bit
Peripheral Interrupt Enable bit
Peripheral Interrupt Priority bit
GIE/GIEH
TMR1IF
TMR1IE
TMR1IP
IPEN
From USB
Interrupt Logic
IPEN
USBIF
USBIE
USBIP
PEIE/GIEL
IPEN
Additional Peripheral Interrupts
High Priority Interrupt Generation
Low Priority Interrupt Generation
Peripheral Interrupt Flag bit
Peripheral Interrupt Enable bit
Peripheral Interrupt Priority bit
Interrupt to CPU
Vector to Location
0018h
TMR0IF
TMR0IE
TMR0IP
TMR1IF
TMR1IE
TMR1IP
RBIF
RBIE
From USB
Interrupt Logic
USBIF
USBIE
USBIP
RBIP
PEIE/GIEL
GIE/GIEH
INT1IF
INT1IE
INT1IP
Additional Peripheral Interrupts
INT2IF
INT2IE
INT2IP
DS39760A-page 86
Advance Information
© 2006 Microchip Technology Inc.
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