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rosmianto/4mhz_clock.ino

Created February 23, 2020 06:54
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How to Generate 4MHz clock with Arduino Uno
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4mhz_clock.ino
void setup() {
// put your setup code here, to run once:
TCNT1 = 0;
TCCR1B = B00001001;
TCCR1A = B01000000;
OCR1A = 1; // CLK frequency = 4 MHz
pinMode(9, OUTPUT);
}
void loop() {
// put your main code here, to run repeatedly:
}
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