Datasheet

410
ATmega640/1280/1281/2560/2561
2549K–AVR–01/07
Figure 203. Calibrated 8 MHz RC Oscillator Frequency vs. V
CC
Figure 204. Calibrated 8 MHz RC Oscillator Frequency vs. Temperature
CALIBRATED 8 MHz RC OSCILLATOR FREQUENCY vs. V
CC
85˚C
25˚C
-40˚C
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)
CALIBRATED 8 MHz RC OSCILLATOR FREQUENCY vs. TEMPERATURE
5.0V
3.0V
7,9
8
8,1
8,2
8,3
8,4
8,5
-60 -40 -20 0 20 40 60 80 100
Temperature
F
RC
(MHz)