// Descr iption: This code re-programs the F2xx DCO calibration constants.

// A software FLL mechanism is used to set the DCO based on an external

// 32kHz reference clock. After each calibration, the values from the

// clock system are read out and stored in a temporary variable. The final

// frequency the DCO is set to is 1MHz, and this frequency is also used

// during Flash programming of the constants. The program end is indicated

// by the blinking LED.

// ACLK = LFXT1/8 = 32768/8, MCLK = SMCLK = target DCO

// //* External watch crystal installed on XIN XOUT is required for ACLK *-//　Descr iption: This code re-programs the F2xx DCO calibration constants.

//　A software FLL mechanism is used to set the DCO based on an external

//　32kHz reference clock. After each calibration, the values from the

//　clock system are read out and stored in a temporary variable. The final

//　frequency the DCO is set to is 1MHz, and this frequency is also used

//　during Flash programming of the constants. The program end is indicated

//　by the blinking LED.

//　ACLK = LFXT1/8 = 32768/8, MCLK = SMCLK = target DCO

//　//* External watch crystal installed on XIN XOUT is required for ACLK *//