Datasheet

494
ATmega169A/PA/329A/PA/649A/P/3290A/PA/6490A/P [DATASHEET]
8284E–AVR–02/2013
Figure 31-291.Atmel ATmega3290A: Calibrated 8MHz RC oscillator frequency vs. temperature.
Figure 31-292.ATmega3290A: Calibrated 8MHz RC oscillator frequency vs. V
CC
.
5.5V
4.5V
3.3V
2.7V
1.8V
7.4
7.5
7.6
7.7
7.8
7.9
8.0
8.1
8.2
8.3
-40 -20 0 20 40 60 80
Temperature [°C]
F
RC
[MHz]
85 °C
25 °C
-40 °C
7.4
7.5
7.6
7.7
7.8
7.9
8.0
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]