This program demonstrates using an external high speed crystal

// or resonator to supply ACLK and MCLK for the CPU. SMLCK is supplied by the

// internal DCO. The high speed crystal or resonator connects between pins

// Xin and Xout. The DCO clock is generated internally and calibrated from REFO

// ACLK is brought out on pin P11.0, SMCLK is brought out on P11.2, and MCLK is

// brought out on pin P1- This program demonstrates using an external high speed crystal

//　or resonator to supply ACLK and MCLK for the CPU. SMLCK is supplied by the

//　internal DCO.　The high speed crystal or resonator connects between pins

//　Xin and Xout. The DCO clock is generated internally and calibrated from REFO ACLK is brought out on pin P11.0, SMCLK is brought out on P11.2, and MCLK is brought out on pin P11.1.