PIC18F2450 Datasheet, PDF (88/320 Pages) Microchip Technology – 28/40/44-Pin, High-Performance, 12 MIPS, Enhanced Flash, USB Microcontrollers with nanoWatt Technology

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