DueTimer KEYWORD2 start KEYWORD2 stop KEYWORD2 attachInterrupt KEYWORD2 detachInterrupt KEYWORD2 setPeriod KEYWORD2 setFrequency KEYWORD2 getFrequency KEYWORD2 getPeriod KEYWORD2 Timer KEYWORD1 Timer0 KEYWORD1 Timer1 KEYWORD1 Timer2 KEYWORD1 Timer3 KEYWORD1 Timer4 KEYWORD1 Timer5 KEYWORD1 Timer6 KEYWORD1 Timer7 KEYWORD1