Datasheet

511
8284D–AVR–6/11
ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
30.5.11 Internal Oscillator Speed
Figure 30-289.ATmega3290A: Watchdog Oscillator Frequency vs. V
CC
Figure 30-290.ATmega3290A: Watchdog Oscillator Frequency vs. Temperature
85°C
25°C
-40°C
1000
1025
1050
1075
1100
1125
1150
1175
1200
1225
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
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
Temperature [°C]
F
RC
[kHz]