ATMEGA8U2_14 Datasheet, PDF (285/310 Pages) ATMEL Corporation – 125 Powerful Instructions – Most Single Clock Cycle Execution

ATmega8U2/16U2/32U2
Figure 27-24. Calibrated 8 MHz RC Oscillator Frequency vs. Temperature
8.3
8.2
8.1
5.5 V
4.5 V
3.3 V
2.7 V
8
7.9
7.8
7.7
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
Temperature (°C)
Figure 27-25. Calibrated 8 MHz RC Oscillator Frequency vs. OSCCAL Value
16
14
12
85 °C
25 °C
-40 °C
10
8
6
4
2
0
0 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 256
OSCCAL (X1)
7799D–AVR–11/10
285