Atmel ATmega328

402
8271D–AVR–05/11
ATmega48A/PA/88A/PA/168A/PA/328/P
Figure 30-131.ATmega88A: Calibrated 8MHz RC Oscillator Frequency vs. V
CC
Figure 30-132.ATmega88A: Calibrated 8MHz RC Oscillator Frequency vs. Temperature
85 °C
25 °C
-40 °C
7.6
7.7
7.8
7.9
8
8.1
8.2
8.3
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
F
RC
(MHz)
5.5 V
4.0 V
3.0 V
7.8
7.9
8
8.1
8.2
8.3
-40 -20 0 20 40 60 80 100
Temperature (°C)
F
RC
(MHz)