Datasheet

262
ATmega8A [DATASHEET]
8159E–AVR–02/2013
Figure 28-54. Calibrated 8MHz RC Oscillator Frequency vs. Osccal Value
Figure 28-55. Calibrated 4MHz RC Oscillator Frequency vs. Temperature
25 °C
2
4
6
8
10
12
14
0163248 64 8096112128 144 160 176 192 208 224 240 256
OSCCAL VALUE
F
RC
(MHz)
5.5 V
4.0 V
2.7 V
3.5
3.6
3.7
3.8
3.9
4
4.1
-40 -20 0 20 40 60 80 100
F
RC
(MHz)
Temperature ( °C)