35.1.7 Pin Pull-Up Figure 35-15. ATmega48PB/88PB: I/O Pin Pull-up Resistor Current vs. Input Voltage (VCC = 1.8V) Figure 35-16. ATmega48PB/88PB: I/O Pin Pull-up Resistor Current vs. Input Voltage (VCC = 2.7V) Figure 35-17. ATmega48PB/88PB: I/O Pin Pull-up Resistor Current vs. Input Voltage (VCC = 5V) Figure 35-18. ATmega48PB/88PB: Reset Pull-up Resistor Current vs. Reset Pin Voltage (VCC = 1.8V) Figure 35-19. ATmega48PB/88PB: Reset Pull-up Resistor Current vs. Reset Pin Voltage (VCC = 2.7V) Figure 35-20. ATmega48PB/88PB: Reset Pull-up Resistor Current vs. Reset Pin Voltage (VCC = 5V)