Datasheet

639
8284D–AVR–6/11
ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
Figure 30-533.ATmega6490A: Watchdog Oscillator Frequency vs. Temperature
Figure 30-534.ATmega6490A: Calibrated 8MHz RC Oscillator Frequency vs. Temperature
5.5 V
5.0 V
4.5 V
4.0 V
3.3 V
2.7 V
1.8 V
1050
1080
1110
1140
1170
1200
1230
1260
1290
-45 -35 -25 -15 -5 5 15 25 35 45 55 65 75 85
Temperature (°C)
F
RC
(kHz)
5.5 V
4.0 V
3.3 V
2.7 V
1.8 V
7.3
7.4
7.5
7.6
7.7
7.8
7.9
8
8.1
8.2
-45 -35 -25 -15 -5 5 15 25 35 45 55 65 75 85
Temperature (°C)
F
RC
(MHz)