Datasheet
324
7810C–AVR–10/12
Atmel ATmega328P [Preliminary]
29.1.7 Internal Oscilllator Speed
Figure 29-17. Watchdog Oscillator Frequency vs. Temperature..
Figure 29-18. Calibrated 8 MHz RC Oscillator Frequency vs. Temperature
WATCHDOG OSCILLATOR FREQUENCY vs. TEMPERATURE
80
90
100
110
120
130
140
150
160
-40-30-20-100 102030405060708090100110120
Temper atur e
F
RC
(kHz)
5.5
5
4.5
3.3
3
2.7
CA LIB RA TE D XXXMHz RC O S CILLA TOR FRE Q UE N CY vs . TE MP ERA TURE
10000 Cy cles s ample d w ith 250nS
7.6
7.7
7.8
7.9
8
8.1
8.2
8.3
8.4
-45-35-25-15-5 5 152535455565758595105115125
Temper atur e
F
RC
(MHz)
5.5
5
4.5
3.3
3
2.7
8 MHz