Data Sheet

589
ATmega48A/PA/88A/PA/168A/PA/328/P [DATASHEET]
Atmel-8271H-AVR- ATmega-Datasheet_08/2014
Figure 34-38.ATmega168PA: Calibrated 8MHz RC Oscillator Frequency vs. V
CC
Figure 34-39.ATmega168PA: Calibrated 8MHz RC Oscillator Frequency vs. Temperature
105°C
85°C
25°C
-40°C
7.5
7.6
7.7
7.8
7.9
8
8.1
8.2
8.3
8.4
8.5
2 2.5 33.5 4 4.5 5 5.5
V
CC
(V)
F
RC
(MHz)
5.5V
4.5V
4.0V
3.3V
1.8V
7.5
7.6
7.7
7.8
7.9
8
8.1
8.2
8.3
8.4
-40 -30 -20 -10 0 10 20 304050607080 90 100 110
Temperature (°C)
F
RC
(MHz)