Datasheet

522
8272E–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
Figure 29-333.Atmel ATmega1284: Calibrated 8MHz RC oscillator vs. V
CC
.
Figure 29-334.Atmel ATmega1284: 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 30405060708090
Temperature [°C]
F
RC
[MHz]
5.5V