419
8025I–AVR–02/09
ATmega48P/88P/168P/328P
Figure 27-173.Watchdog Oscillator Frequency vs. V
CC
.
Figure 27-174.Calibrated 8 MHz RC Oscillator Frequency vs. V
CC
.
85 °C
25 °C
-40 °C
1.5 2 2.5 3 3.5 4 4.5 5 5.5
(V)
F
RC
(kHz)
WATCHDOG OSCILLATOR FREQUENCY vs. V
CC
108
110
112
114
116
118
120
V
CC
CALIBRATED 8 MHz RC OSCILLATOR FREQUENCY vs. V
CC
85 °C
25 °C
-40 °C
7.4
7.6
7.8
8
8.2
8.4
1.5 2 2.5 33.5 4 4.5 5 5.5
V
CC
(V)
F
RC
(MHz)