Datasheet

386
2490R–AVR–02/2013
ATmega64(L)
Figure 249. 1 MHz RC Oscillator Frequency vs. Vcc
Figure 250. 1 kHz RC Oscillator Frequency vs. Oscillator
CALIBRATED 1MHz RC OSCILLATOR FREQUENCY vs. V
cc
105 °C
85 °C
25 °C
-40 °C
0.9
0.92
0.94
0.96
0.98
1
1.02
2.5 3 3.5 4 4.5 5 5.5
V
cc
(V)
F
RC
(MHz)
CALIBRATED 1MHz RC OSCILLATOR FREQUENCY vs. OSCCAL VALUE
105 °C
85 °C
25 °C
-40 °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 (X1)
F
RC
(MHz )