LED Blinking with PIC16F627A Microcontroller in MPLAB IDE

 

#include <stdio.h>

#include <stdlib.h>

#include <xc.h>

#define _XTAL_FREQ 2000000

__CONFIG(FOSC_HS & WDTE_OFF & PWRTE_OFF & MCLRE_OFF & BOREN_OFF & LVP_ON & CPD_OFF & CP_OFF);

void main() 

{

    TRISA = 0;// set all pins of Port A as OUTPUT

    TRISB = 0;// set all pins of Port B as OUTPUT

    while(1)// Infinite Loop to execute the code Continuously.

    { 

    RA0=1;//Turn HIGH the Pin A0 at portA

    RB0=0;//Turn LOW the Pin B0 at portB

     __delay_ms(1000); //Delay 1 second

    RA0=0;//Turn LOW the Pin A0 at portA

    RB0=1;//Turn HIGH the Pin A0 at portB

    __delay_ms(1000); //Delay 1 second

    }

    

}