Consider an 8259A PIC. At time 1 ns, 3 ns and 5 ns three interrupts have come via IR2, IR0 and IR4, respectively. The peripheral is operating in fixed-priority mode. Each interrupt takes 10ns to process. Now describe the functions of each component to handle the entire interrupt procedure.
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the 8259A in all 8259 equivalent modes (MCS- 80 85 Non-Buffered Edge ... an input to designate a master (SP e 1) or slave (SP e 0) ... The interrupts at the IR input lines are handled by.
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