Atmel ATmega48PV Manual page 396

8025I–AVR–02/09
Figure 27-129.Calibrated 8 MHz RC Oscillator Frequency vs. Temperature.
CALIBRATED 8MHz RC OSCILLATOR FREQUENCY vs. TEMPERATURE
8.15
8.1
8.05
8
7.95
7.9
7.85
7.8
0 10
Figure 27-130.Calibrated 8 MHz RC Oscillator Frequency vs. OSCCAL Value.
CALIBRATED 8MHz RC OSCILLATOR FREQUENCY vs. OSCCAL VALUE
14
12
10
8
6
4
2
0
0 16 32
ATmega48P/88P/168P/328P
20 30 40 50
Temperature
48 64 80 96 112 128
OSCCAL (X1)
5.5 V
2.7 V
1.8 V
60 70 80 90
144 160 176 192 208 224
100
25 °C
85 °C
240
396