36.2.1 GPIO Input Characteristics

Figure 36-16. I/O Pin Input Hysteresis vs. VDD
Figure 36-17. I/O Pin Input Threshold Voltage vs. VDD (T = 25°C)
Figure 36-18. I/O Pin Input Threshold Voltage vs. VDD (VIH)
Figure 36-19. I/O Pin Input Threshold Voltage vs. VDD (VIL)