Datasheet

416
8284D–AVR–6/11
ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
30.2.11 Internal Oscillator Speed
Figure 30-109.ATmega169PA: Watchdog Oscillator Frequency vs. V
CC
Figure 30-110.ATmega169PA: Watchdog Oscillator Frequency vs. Temperature
85 °C
25 °C
-45 °C
1000
1050
1100
1150
1200
1250
1300
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
F
RC
(kHz)
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)