Atmel ATmega48A

526
8271D–AVR–05/11
ATmega48A/PA/88A/PA/168A/PA/328/P
30.8.11 Internal Oscillator Speed
Figure 30-364.ATmega328P: Watchdog Oscillator Frequency vs. Temperature
Figure 30-365.ATmega328P: Watchdog Oscillator Frequency vs. V
CC
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)
85 °C
25 °C
-40 °C
1.5 2 2.5 3 3.5 4 4.5 5 5.5
(V)
F
RC
(kHz)
108
110
112
114
116
118
120
V
CC