Datasheet

544
8284D–AVR–6/11
ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
Figure 30-352.ATmega3290PA: Calibrated 8MHz RC Oscillator Frequency vs. V
CC
Figure 30-353.ATmega3290PA: Calibrated 8MHz RC Oscillator Frequency vs. Osccal Value
85 °C
25 °C
-40 °C
7.4
7.5
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]
0
2
4
6
8
10
12
14
16
0163248 64 8096112128 144 160 176 192 208 224 240 256
OSCCAL [X1]
F
RC
[MHz]
-40 °C
85 °C
25 °C