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548
8272E–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
Figure 29-383.Atmel ATmega1284P: Calibrated 8MHz RC oscillator vs. V
CC.
Figure 29-384.Atmel ATmega1284P: Calibrated 8MHz RC oscillator vs. temperature.
85°C
25°C
-40°C
7.2
7.4
7.6
7.8
8.0
8.2
8.4
8.6
VCC [V]
F
RC
[MHz]
1.5
4.0
3.5
3.0
2.5
2.0
5.5
5.0
4.5
3.3V
2.7V
1.8V
7.5
7.6
7.7
7.8
7.9
8.0
8.1
8.2
8.3
-40
-30
-20
-10
0
10
20
304050
6070
8090
Temperature [°C]
F
RC
[MHz]
5.5V