Datasheet

363
2490R–AVR–02/2013
ATmega64(L)
Figure 204. Calibrated 1 MHz RC Oscillator Frequency vs. Osccal Value
Figure 205. Calibrated 2 MHz RC Oscillator Frequency vs. Temperature
25°C
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
1.3
1.4
1.5
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
1.75
1.8
1.85
1.9
1.95
2
2.05
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
Temperature (°C)
F
RC
(MHz)