Ausgangspegel definieren

#include <avr/io.h>

// CPU: ATtiny2313 8MHz

// =======================================================================

int main(void)

{

  DDRB = 0xFF;

  DDRD = 0xFF;

  PORTB |= (1<<PB0) | (1<<PB1) | (1<<PB2) | (1<<PB3) | (1<<PB4) | (1<<PB5) | (1<<PB6);

  PORTD &= ~((1<<PD0) | (1<<PD1) | (1<<PD2) | (1<<PD3) | (1<<PD4));}