const int freqOutputPin = 9;   // OC1A output pin for ATmega32u4 (Arduino Micro)
const int ocr1aval  = 0;

void setup()
{
    pinMode(freqOutputPin, OUTPUT);

    TCCR1A = ( (1 << COM1A0));

    TCCR1B = ((1 << WGM12) | (1 << CS10));

    TIMSK1 = 0;

    OCR1A = ocr1aval;
}

void loop()
{

}