Datasheet

357
8011K–AVR–09/08
ATmega164P/324P/644P
28.1.11 Internal Oscillator Speed
Figure 28-34. Watchdog Oscillator Frequency vs. Temperature.
Figure 28-35. Watchdog Oscillator Frequency vs. V
CC
.
WATCHDOG OSCILLATOR FREQUENCY vs. TEMPERATURE
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
Temperature
F
RC
(kHz)
WATCHDOG OSCILLATOR FREQUENCY vs. V
CC
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)