ATxmega clock Initialize the internal 2 MHz oscillator

  /*

Initialize the internal 2 MHz oscillator

*/

OSC.CTRL |= OSC_RC2MEN_bm;

while(!(OSC.STATUS & OSC_RC2MRDY_bm));

CCP = CCP_IOREG_gc;

CLK.CTRL = CLK_SCLKSEL_RC2M_gc;