Pin Threshold and Hysteresis

Figure 1. I/O Pin Input Threshold Voltage vs. VCC (VIH, IO Pin Read as ‘1’)
Figure 2. I/O Pin Input threshold Voltage vs. VCC (VIL, IO Pin Read as ‘0’)
Figure 3. I/O Pin Input Hysteresis vs. VCC
Figure 4. Reset Pin as I/O, Input Threshold Voltage vs. VCC (VIH, I/O Pin Read as ‘1’)
Figure 5. Reset Pin as I/O, Input Threshold Voltage vs. VCC (VIL, I/O pin Read as ‘0’)
Figure 6. Reset Input Hysteresis vs. VCC (Reset Pin Used as I/O)
Figure 7. Reset Input Threshold Voltage vs. VCC (VIH, I/O Pin Read as ‘1’)
Figure 8. Reset Input Threshold Voltage vs. VCC (VIL, I/O pin Read as ‘0’)
Figure 9. Reset Pin, Input Hysteresis vs. VCC