Datasheet

356
8011N–AVR–01/10
ATmega164P/324P/644P
26.1.11 Internal Oscillator Speed
Figure 26-34. Watchdog Oscillator Frequency vs. Temperature.
Figure 26-35. Watchdog Oscillator Frequency vs. V
CC
.
5.5 V
4.0 V
3.3 V
2.7 V
1.8 V
116
118
120
122
124
126
128
-60 -40 -20 0 20 40 60 80 100
F
RC
(kHz)
Temperature (°C)
85 °C
25 °C
-40 °C
115
117
119
121
123
125
127
129
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
F
RC
(kHz)