32.2.1 GPIO Input Characteristics

Figure 32-15. I/O Pin Input Hysteresis vs. VDD
Figure 32-16. I/O Pin Input Threshold Voltage vs. VDD (T = 25°C)
Figure 32-17. I/O Pin Input Threshold Voltage vs. VDD (VIH)
Figure 32-18. I/O Pin Input Threshold Voltage vs. VDD (VIL)