Datasheet

444
8272E–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
Figure 29-186.Atmel ATmega324PA: Calibrated 8MHz RC oscillator vs. temperature.
Figure 29-187.Atmel ATmega324PA: Calibrated 8MHz RC oscillator vs. OSCCAL value.
5.0V
3.0V
7.4
7.7
8.0
8.3
8.6
-40 -20 0 20 40 60 80 100
Temperature [°C]
F
RC
[MHz]
85°C
25°C
-40°C
0
2
4
6
8
10
12
14
16
0163248 64 80 96 112 128 144 160 176 192 208 224 240 256
OSCCAL (X1)
F
RC
[MHz]