Clocking Structure
- High-Precision Internal
                    Oscillator Block (HFINTOSC):
- Selectable frequencies up to 32 MHz
 - ±2% at calibration
 
 - Internal 31 kHz Oscillator (LFINTOSC)
 - External High-Frequency Clock
                        Input:
- Two External Clock (EC) Power modes
 
 - Secondary Oscillator (SOSC)
 
