Ich stell mal den Sourcecode rein, vlt hilft der weiter.

Code:
/*****************************************************************/
/*																 */
/*																 */
/*							Experiment.c						 */
/*					    AT90S2313 @ 3,6864 MHz					 */
/*																 */
/*****************************************************************/

#include<stdint.h>
#include<avr/io.h>
#define F_CPU 3686400UL
#include<util/delay.h>

int main(void)
{
	DDRB = (1 << DDB0) | (1 << DDB1) | (1 << DDB2) | (1 << DDB3) | (1 << DDB4);	
	DDRD = (1 << DDD4) | (1 << DDD5);		//Ausgänge werden festgelegt

	PORTB = (1<<DDB2); 					//Autoampel wird auf rot gesetzt
	PORTD = (1<<DDD5) | (1<<DDD2);			//Fußgängerampel wird rot, Pull-Up Widerstand 
											//wird am Eingangspin PD2 aktiviert
	uint8_t i;
	
	for (i=1; i!=1; i+0);
	{
		_delay_s(5);
		PORTB |= (1<<DDB1);					//Autoampel rt,ge
		_delay_s(2);
		PORTB = (1<<DDB0);					//AA gn
		_delay_s(20);
		PORTB = (1<<DDB1);					//AA ge
		_delay_s(2);
		PORTB =	(1<<DDB2);					//AA rt
		_delay_s(2);
		
		PORTB |= (1<<DDB4);					//FA rt,ge
		_delay_s(2);
		PORTB |= (0<<DDB3) | (0<<DDB4);		
		PORTD |= (1<<DDD5);					//FA gn
		_delay_s(8);
		PORTB |= (1<<DDB4) |(0<<DDB5);		//FA ge
		_delay_s(2);
		PORTB |= (0<<DDB4);					
		PORTD |= (1<<DDD5);					//FA rt
	}

}