Datasheet

279
ATmega48/88/168 Automotive [DATASHEET]
7530K–AVR–07/14
28.1.5 Internal Oscillator Speed
Figure 28-19. Watchdog Oscillator Frequency versus V
CC
Figure 28-20. Calibrated 8MHz RC Oscillator Frequency versus Temperature
32.5 3.5 4 4.5 5 5.5
V
CC
(V)
120
118
116
114
112
130
128
126
124
122
110
F
RC
(kHz)
-40°C
25°C
85°C
125°C
-30-40 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120
Temperature (°C)
8.1
8
7.9
7.8
7.7
8.4
8.3
8.2
7.6
F
RC
(MHz)
5.0V
2.7V