AVR Atmega 16 Blink LED - CodeVision

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Code

Chip type               : ATmega16
Program type            : Application
AVR Core Clock frequency: 8,000000 MHz
Memory model            : Small
External RAM size       : 0
Data Stack size         : 256
#include <mega16.h>
#include <delay.h>
 
// Declare your global variables here
 
void main(void)
{
    DDRA = 0b11111111;
    PORTA = 0b00000000;
while (1)
      {
          PORTA.0=~PORTA.0;
          delay_ms(100);
      }
}

Demo: