Datasheet

ATmega164A/PA/324A/PA/644A/PA/1284/P
 2018 Microchip Technology Inc. Data Sheet Complete DS40002070A-page 547
Figure 30-383. ATmega1284P: Calibrated 8MHz RC oscillator vs. V
CC
Figure 30-384. 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
V
CC
[V]
F
RC
[MHz]
1.5 4.03.53.02.52.0 5.55.04.5
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 304050607080 90
Temperature [°C]
F
RC
[MHz]
5.5V