Datasheet

384
8284D–AVR–6/11
ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
Figure 30-48. ATmega169A: Watchdog Oscillator Frequency vs. Temperature
Figure 30-49. ATmega169A: Calibrated 8MHz RC Oscillator Frequency vs. Temperature
5.5 V
5.0 V
4.5 V
4.0 V
3.0 V
2.7 V
1.8 V
1000
1050
1100
1150
1200
1250
1300
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 8090
Temperature (°C)
F
RC
(kHz)
5.5 V
4.5 V
3.3 V
1.8 V
7.5
7.6
7.7
7.8
7.9
8
8.1
8.2
-50 -30 -10 10 30 50 70 90
Temperature (°C)
F
RC
(MHz)