Datasheet

640
8284D–AVR–6/11
ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
Figure 30-535.ATmega6490A: Calibrated 8MHz RC Oscillator Frequency vs. V
CC
Figure 30-536.ATmega6490A: Calibrated 8MHz RC Oscillator Frequency vs. Osccal Value
85 °C
25 °C
-45 °C
7.3
7.4
7.5
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)
85 °C
25 °C
-45 °C
2
4
6
8
10
12
14
16
18
0163248 64 8096112128 144 160 176 192 208 224 240 256
OSCCAL (X1)
F
RC
(MHz)