PIC18F452 B7 5 8MHz Produce the C programs, which makes a 25% duty mark of 100kHz, using the timer o interrupt and subroutine. I'm in a so I'd appreciate it if you'd afinal exan rn answer right away. PIC18F452 B7 5 8MHz Produce the C programs, which makes a 25% duty mark of 100kHz, using the timer o interrupt and subroutine. I'm in a so I'd appreciate it if you'd afinal exan rn answer right away