Datasheet

683
ATmega169A/PA/329A/PA/649A/P/3290A/PA/6490A/P [DATASHEET]
8284E–AVR–02/2013
32.1.10 Internal Oscillator Speed
Figure 32-44. ATmega169PA-105°C: Watchdog Oscillator Frequency vs. V
CC
Figure 32-45. ATmega169PA-105°C: Calibrated 8MHz RC Oscillator Frequency vs. Temperature
105 °C
85 °C
25 °C
-45 °C
1035
1065
1095
1125
1155
1185
1215
1245
1275
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
F
RC
(kHz)
5.5 V
4.5 V
3.3 V
2.7 V
1.8 V
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 95 105
Temperature (°C)
F
RC
(MHz)