XTAL_SEL=value1, SYNC_DCO_EN=value1
DCO1 Sync Control Register 1
SYNC_PRELOAD | Counter target value, which defines the update cycle 8191 (value1): Longest integration time = best accuracy |
SYNC_DCO_EN | DCO1 synchronization feature enable 0 (value1): Disable DCO1 synchronization 1 (value2): Enable DCO1 synchronization via external clock source |
XTAL_SEL | Oscillator Source select 0 (value1): OSC_LP is selected 1 (value2): OSC_HP is selected |