Datasheet

388
2490R–AVR–02/2013
ATmega64(L)
Figure 253. 4 MHz RC Oscillator Frequency vs. Osccal
Figure 254. 8 MHz RC Oscillator Frequency vs. Osccal
CALIBRATED 4MHz RC OSCILLATOR FREQUENCY vs. OSCCAL VALUE
105 °C
85 °C
25 °C
-40 °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 (X1)
F
RC
(MHz)
CALIBRATED 8MHz RC OSCILLATOR FREQUENCY vs. OSCCAL VALUE
105 °C
85 °C
25 °C
-40 °C
3
4
5
6
7
8
9
10
11
12
13
0 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 256
OSCCAL (X1)
F
RC
(MHz )