ATMEGA649V_14 Datasheet, PDF (358/392 Pages) ATMEL Corporation – High Endurance Non-volatile Memory Segments

29.0.11 Internal Oscillator Speed
Figure 29-45. Watchdog Oscillator Frequency vs. V_CC
1300
1250
1200
-40 °C
25 °C
85 °C
1150
1100
1050
1000
1.5
2
2.5
3
3.5
4
4.5
5
5.5
V_CC (V)
Figure 29-46. Calibrated 8MHz RC Oscillator Frequency vs. Temperature
8.6
8.4
5.5 V
4.5 V
8.2
3.3 V
2.7 V
8
1.8 V
7.8
7.6
7.4
7.2
-60
-40
-20
0
20
40
60
80
100
Temperature (°C)
358 ATmega329/3290/649/6490
2552K–AVR–04/11