347
8025I–AVR–02/09
ATmega48P/88P/168P/328P
Figure 27-35. Watchdog Oscillator Frequency vs. V
CC
.
Figure 27-36. Calibrated 8 MHz RC Oscillator Frequency vs. V
CC
.
WATCHDOG OSCILLATOR FREQUENCY vs. V
CC
85 °C
25 °C
-40 °C
103
104
105
106
107
108
109
110
111
112
113
114
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
F
RC
(kHz)
CALIBRATED 8MHz RC OSCILLATOR FREQUENCY vs. V
CC
85 °C
25 °C
-40 °C
7.6
7.7
7.8
7.9
8
8.1
8.2
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
F
RC
(MHz)