Datasheet

351
7674F–AVR–09/09
ATmega164P/324P/644P
Figure 27-25. Calibrated 8 MHz RC Oscillator Frequency vs. Temperature
Figure 27-26. Calibrated 8 MHz RC Oscillator Frequency vs. OSCCAL Value - Vcc = 5V
CALIBRATED 8 MHz RC OSCILLATOR FREQUENCY vs. TEMPERATURE
7.7
7.8
7.9
8
8.1
8.2
8.3
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120
Temperature
F
RC
(MHz)
5.5
5
4.5
3.3
3
2.7
CALIBRATED 8MHz RC OSCILLATOR FREQUENCY vs. OSCCAL VALUE
0
2
4
6
8
10
12
14
16
0 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240
OSCCAL (X1)
F
RC
(MHz)
125
85
25
-45