Datasheet

366
2490R–AVR–02/2013
ATmega64(L)
Figure 210. Calibrated 4 MHz RC Oscillator Frequency vs. Osccal Value
Figure 211. Calibrated 8 MHz RC Oscillator Frequency vs. Temperature
25°C
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
6.5
0 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 256
OSCCAL VALUE
F
RC
(MHz)
5.5V
5.0V
4.5V
4.0V
3.6V
3.3V
2.7V
6.5
6.7
6.9
7.1
7.3
7.5
7.7
7.9
8.1
8.3
-40 -20 0 20 40 60 80
Temperature
(°C)
F
RC
(MHz)