Datasheet

Figure 34-38. ATmega48A: Calibrated 8MHz RC Oscillator Frequency vs. Temperature
5.5 V
3.3 V
1.8 V
7.6
7.7
7.8
7.9
8
8.1
8.2
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
Temperature (°C)
F
RC
(MHz)
Figure 34-39. ATmega48A: Calibrated 8MHz RC Oscillator Frequency vs. OSCCAL Value
85 °C
25 °C
-40 °C
0
2
4
6
8
10
12
14
16
0 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 256
OSCCAL (X1)
F
RC
(MHz)
ATmega48A/88A/168A
Typical Characteristics (TA = -40°C to 85°C)
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Datasheet Complete
DS40002007A-page 414