Data Sheet

342
ATmega48A/PA/88A/PA/168A/PA/328/P [DATASHEET]
Atmel-8271H-AVR- ATmega-Datasheet_08/2014
Figure 31-37. ATmega48A: Calibrated 8MHz RC Oscillator Frequency vs. V
CC
Figure 31-38. ATmega48A: 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
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
F
RC
(MHz)
5.5 V
3.3 V
1.8 V
7.6
7.7
7.8
7.9
8
8.1
8.2
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
Temperature (°C)
F
RC
(MHz)