Datasheet

472
8011Q–AVR–02/2013
ATmega164P/324P/644P
Figure 28-111.ATmega644P: Watchdog Oscillator Frequency vs. V
CC
Figure 28-112.ATmega644P: Calibrated 8 MHz RC Oscillator vs. V
CC
105 °C
85 °C
25 °C
-40 °C
110
115
120
125
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
F
RC
(kHz)
105 °C
85 °C
25 °C
-40 °C
7
7.3
7.6
7.9
8.2
8.5
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
F
RC
(MHz)