(a) List THREE configuration bits used to configure an interrupt source and explain their 3 marks) functions (b) CIRCLE the correct answer (i) To enable INTO interrupt, INTCON must be set to: 1.5 marks] a. 0xA0 b. 0x30 c. 0x20 d. Ox90 (Gi) In a PIC18F-based circuit you have enabled four interrupts (e.g. two external interrupts and one timer interrupts). How many interrupt vectors do you have? 11.5 marks a. 4 interrupt vector b. 3 interrupt vectors c. 2 interrupt vectors d. Depends on the priority of the interrupts b) What value should be sent ta n EEEB373, Semester 2, 2010201 firer7 0 to request ) Write instruction sequence to allow a push button connected to INTO to req interrupt. [4 marks