Datasheet

556
ATmega169A/PA/329A/PA/649A/P/3290A/PA/6490A/P [DATASHEET]
8284E–AVR–02/2013
Figure 31-409.Atmel ATmega649A: Bandgap voltage vs. temperature.
31.7.11 Internal oscillator speed
Figure 31-410.ATmega649A: Watchdog Oscillator frequency vs. V
CC
.
1.092
1.094
1.096
1.098
1.100
1.102
1.104
1.106
1.108
1.110
-45 -35 -25 -15 -5 5 15 25 35 45 55 65 75 85
Temperature [°C]
Bandgap Voltage [V]
1.8V
5.5V
5.0V
3.3V
85°C
25°C
-45°C
1050
1080
1110
1140
1170
1200
1230
1260
1290
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
[V]
F
RC
[kHz]