Question $15$

Not yet answered Marked out of $3\mathrm{.}00$

Suppose that a sensor is connected to pin RA$0$ of PIC$18$F$452$ and $8$ LEDs are connected PORTD. Based on the following program, how many LEDs are turned on given that the sensor voltage $=1\mathrm{.}2V$ and Vref$=5V.$

void main$($void$)4$

TRISC $=0$;

TRISD $=0$;

TRISAbits.TRISA $0=1$;

ADCON$0=0x81$;

ADCON$1=0$xCE;

while$(1)\{$

ADCON$0$bits. $GO=1$;

while$($ADCON$0$bits.DONE$=1)$;

PORTC$=$ADRESL;

PORTD$=$ADRESH;

DELAY$(250)$;

$\}$

$\}$

Answer: