Datasheet

ATmega164A/PA/324A/PA/644A/PA/1284/P
 2018 Microchip Technology Inc. Data Sheet Complete DS40002070A-page 391
Figure 30-88. ATmega164PA: Calibrated 8MHz RC oscillator vs. temperature
Figure 30-89. ATmega164PA: Calibrated 8MHz RC oscillator vs. OSCCAL value
5.0V
3.0V
7.7
7.8
7.9
8.0
8.1
8.2
8.3
-50 -40 -30 -20 -10 0 10 20 304050607080 90
Temperature [°C]
F
RC
[MHz]
85°C
25°C
-40°C
0
2
4
6
8
10
12
14
16
0163248 64 80 96112128 144 160 176 192208 224 240 256
OSCCAL [X1]
F
RC
[MHz]