8-bit AVR Microcontrollers

Internal Oscillator Speed

Figure 1. ATmega328PB: Watchdog Oscillator Frequency vs. Temperature
Figure 2. ATmega328PB: Watchdog Oscillator Frequency vs. VCC
Figure 3. ATmega328PB: Calibrated 8 MHz RC Oscillator Frequency vs. VCC
Figure 4. ATmega328PB: Calibrated 8 MHz RC Oscillator Frequency vs. Temperature
Figure 5. ATmega328PB: Calibrated 8 MHz RC Oscillator Frequency vs. OSCCAL Value
Figure 6. ATmega328PB: OSCCAL Value StepSize in %