Datasheet

431
8011Q–AVR–02/2013
ATmega164P/324P/644P
Figure 28-30. ATmega164P: Calibrated 8 MHz RC Oscillator vs. V
CC
Figure 28-31. ATmega164P: Calibrated 8 MHz RC Oscillator vs. Temperature
105 °C
85 °C
25 °C
-40 °C
7.5
7.6
7.7
7.8
7.9
8
8.1
8.2
8.3
1.5 2 2.5 33.5 4 4.5 5 5.5
V
CC
(V)
F
RC
(MHz)
5.0 V
3.0 V
8.4
8.45
8.5
8.55
8.6
8.65
8.7
8.75
-40 -30 -20 -10 0 10 20 304050607080 90 100 110
Temperature
F
RC
(MHz)