Pin Pull-up

Figure 1. I/O pin Pull-up Resistor Current vs. Input Voltage (VCC = 1.8V)
Figure 2. I/O Pin Pull-up Resistor Current vs. input Voltage (VCC = 2.7V)
Figure 3. I/O pin Pull-up Resistor Current vs. Input Voltage (VCC = 5V)
Figure 4. Reset Pull-up Resistor Current vs. Reset Pin Voltage (VCC = 1.8V)
Figure 5. Reset Pull-up Resistor Current vs. Reset Pin Voltage (VCC = 2.7V)
Figure 6. Reset Pull-up Resistor Current vs. Reset Pin Voltage (VCC = 5V)