Datasheet

Figure 30-35. Calibrated Bandgap Voltage vs. Temperature
1.067
1.069
1.071
1.073
1.075
1.077
1.079
1.081
1.083
1.085
1.087
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
Temperature (°C)
Bandga p Voltage (V)
1.8V
3.6V
2.7V
4.5V
5.5V
30.11. Internal Oscillator Speed
Figure 30-36. Watchdog Oscillator Frequency vs. Temperature
5.5 V
4.0 V
3.3 V
2.7 V
2.1 V
108
109
110
111
112
113
114
115
116
117
118
119
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
Tempe ra ture
F
RC
(kHz)
Atmel ATmega644A [DATASHEET]
Atmel-42716C-ATmega644A_Datasheet_Complete-10/2016
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