34.8 BOD Threshold

Figure 34-30. ATmega328PB: BOD Thresholds vs. Temperature (BODLEVEL is 1.8V)
Figure 34-31. ATmega328PB: BOD Thresholds vs. Temperature (BODLEVEL is 2.7V)
Figure 34-32. ATmega328PB: BOD Thresholds vs. Temperature (BODLEVEL is 4.3V)
Figure 34-33. ATmega328PB: Calibrated Bandgap Voltage vs. Temperature
Figure 34-34. ATmega328PB: Calibrated Bandgap Voltage vs. Vcc