Controlling A Port
The Xmega has hardware registries that speeds up controlling ports by skipping the read-execute-write cycle. The following example shows ways of controlling a port pin.
PORTB.DIRSET = (1 << 3);
PORTB.OUTSET = (1 << 3);
PORTB.OUTTGL = (1 << 3);
Posted: September 15th, 2011 at 7:24 pm
Last Updated on: July 24th, 2012 at 11:00 pm