User Manual

486
ATmega48A/PA/88A/PA/168A/PA/328/P [DATASHEET]
8271E–AVR–07/2012
Figure 30-316.ATmega328: Bandgap Voltage vs. V
CC
30.7.11 Internal Oscillator Speed
Figure 30-317.ATmega328: Watchdog Oscillator Frequency vs. Temperature
85 °C
25 °C
-40 °C
1.124
1.126
1.128
1.13
1.132
1.134
1.136
1.138
1.5 2 2.5 3 3.5 4 4.5 5 5.5
Vcc (V)
Bandgap Voltage (V)
5.5 V
4.0 V
3.3 V
2.7 V
109
110
111
112
113
114
115
116
117
118
119
-60 -40 -20 0 20 40 60 80100
Temperature (°C)
F
RC
(kHz)