Data Sheet

394
8161D–AVR–10/09
ATmega48PA/88PA/168PA/328P
Figure 29-129.ATmega168PA: Calibrated 8 MHz RC Oscillator Frequency vs. Temperature
Figure 29-130.ATmega168PA: Calibrated 8 MHz RC Oscillator Frequency vs. OSCCAL Value
5.5 V
5.0 V
2.7 V
1.8 V
7.5
7.6
7.7
7.8
7.9
8
8.1
8.2
8.3
-50-40-30-20-100 102030405060708090
Temperature (°C)
F
RC
(MHz)
85 °C
25 °C
-40 °C
0
2
4
6
8
10
12
14
16
0163248 64 8096112128 144 160 176 192 208 224 240 256
OSCCAL (X1)
F
RC
(MHz)