Atmel ATmega128

354
2467S–AVR–07/09
ATmega128
Figure 202. Calibrated 8 MHz RC Oscillator Frequency vs. Temperature
Figure 203. Calibrated 8 MHz RC Oscillator Frequency vs. V
CC
CALIBRATED 8MHz RC OSCILLATOR FREQUENCY vs. TEMPERATURE
5.5 V
5.0 V
4.5 V
4.0 V
3.6 V
3.3 V
2.7 V
6.6
6.8
7
7.2
7.4
7.6
7.8
8
8.2
8.4
-60 -40 -20 0 20 40 60 80 100
Temperature
F
RC
(MHz)
CALIBRATED 8MHz RC OSCILLATOR FREQUENCY vs. Vcc
85 ˚C
25 ˚C
-40 ˚C
6.6
6.8
7
7.2
7.4
7.6
7.8
8
8.2
8.4
2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
F
RC
(MHz)