46.7.3 External Slow Clock Source

Figure 46-9. External Slow Clock Source Schematics
Table 46-5. External Slow Clock Source Connections
Signal NameDescriptionRecommended Pin Connection
XIN32Input for inverting oscillator pin

External Clock frequency range specified in the XOSC32K Electrical Specifications (XOSC32K_19 parameter)

XIN32 is used as input for an external clock signal
XOUT32/GPIONC/GPIOAvailable for use as a GPIO