52.6.1 External Clock Source

Figure 52-6. External Clock Source Schematics
Table 52-3. External Clock Source Connections
Signal NameDescriptionRecommended Pin Connection
XINInput for an external clock signal

External Clock frequency range specified in the XOSC Electrical Specifications (XOSC_35 parameter)

XIN is used as input for an external clock signal
XOUT/GPIONC/GPIOCan be left unconnected or used as normal GPIO