Microchip PIC12F675, Three LED's Blinking, Code Using ' C ' Language, Time Delay 100, 300, & 500 Milliseconds

Microchip PIC12F675, Three LED's Blinking, Code Using ' C ' Language, Time Delay 100 Milliseconds:

/*  Name     : pic12f675.c
 *  Purpose  : pic12f675.c file for LED blinking code for PIC12F675.
 *  Author    : Azhar Ahmed
 *  Date       : 10-06-2015
 *  Revision : None
 */
#include<htc.h>

// Config word
__CONFIG(FOSC_INTRCIO & WDTE_OFF & PWRTE_ON & MCLRE_OFF & BOREN_ON & CP_OFF & CPD_OFF);

// Define LED pin
#define LED  GP0

// Define CPU Frequency
// This must be defined, if __delay_ms() or 
// __delay_us() functions are used in the code
#define _XTAL_FREQ   20000000    

// Main function
void main()
{    
    ANSEL  = 0x00;             // Set ports as digital I/O, not analog input
    ADCON0 = 0x00;          // Shut off the A/D Converter
    CMCON  = 0x07;          // Shut off the Comparator
    VRCON  = 0x00;         // Shut off the Voltage Reference
    TRISIO = 0x08;        // GP3 input, rest all output
    GPIO   = 0x00;        // Make all pins 0
    
    while(1)
    {
        __delay_ms(100);          // 100 Millisecond delay
        LED = 0;                        // LED off
        __delay_ms(100);       // 100 Millisecond delay
        LED = 1;                     // LED on
    }
}

Microchip PIC12F675, Three LED's Blinking, Code Using ' C ' Language, Time Delay 300 Milliseconds:

/*  Name     : pic12f675.c
 *  Purpose  : pic12f675.c file for LED blinking code for PIC12F675.
 *  Author    : Azhar Ahmed
 *  Date       : 10-06-2015
 *  Revision : None
 */
#include<htc.h>

// Config word
__CONFIG(FOSC_INTRCIO & WDTE_OFF & PWRTE_ON & MCLRE_OFF & BOREN_ON & CP_OFF & CPD_OFF);

// Define LED pin
#define LED  GP0

// Define CPU Frequency
// This must be defined, if __delay_ms() or 
// __delay_us() functions are used in the code
#define _XTAL_FREQ   20000000    

// Main function
void main()
{    
    ANSEL  = 0x00;             // Set ports as digital I/O, not analog input
    ADCON0 = 0x00;          // Shut off the A/D Converter
    CMCON  = 0x07;          // Shut off the Comparator
    VRCON  = 0x00;         // Shut off the Voltage Reference
    TRISIO = 0x08;        // GP3 input, rest all output
    GPIO   = 0x00;        // Make all pins 0
    
    while(1)
    {
        __delay_ms(300);          // 300 Millisecond delay
        LED = 0;                        // LED off
        __delay_ms(300);       // 300 Millisecond delay
        LED = 1;                     // LED on
    }
}

Microchip PIC12F675, Three LED's Blinking, Code Using ' C ' Language, Time Delay 500 Milliseconds:

/*  Name      : pic12f675.c
 *  Purpose   : pic12f675.c file for LED blinking code for PIC12F675.
 *  Author     : Azhar Ahmed
 *  Date        : 10-06-2015
 *  Revision  : None
 */
#include<htc.h>

// Config word
__CONFIG(FOSC_INTRCIO & WDTE_OFF & PWRTE_ON & MCLRE_OFF & BOREN_ON & CP_OFF & CPD_OFF);

// Define LED pin
#define LED  GP0

// Define CPU Frequency
// This must be defined, if __delay_ms() or 
// __delay_us() functions are used in the code
#define _XTAL_FREQ   20000000    

// Main function
void main()
{    
    ANSEL  = 0x00;             // Set ports as digital I/O, not analog input
    ADCON0 = 0x00;          // Shut off the A/D Converter
    CMCON  = 0x07;          // Shut off the Comparator
    VRCON  = 0x00;         // Shut off the Voltage Reference
    TRISIO = 0x08;        // GP3 input, rest all output
    GPIO   = 0x00;        // Make all pins 0
    
    while(1)
    {
        __delay_ms(500);          // 500 Millisecond delay
        LED = 0;                          // LED off
        __delay_ms(500);       // 500 Millisecond delay
        LED = 1;                      // LED on
    }
}

Features of PIC12F675, 8-Pin Flash-Based 8-Bit CMOS Microcontroller: