
417
8272E–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
Figure 29-135.Atmel ATmega324A: Watchdog oscillator frequency vs. V
CC.
Figure 29-136.Atmel ATmega324A: Calibrated 8MHz RC oscillator vs. V
CC.
85°C
25°C
-40°C
111
114
117
120
123
VCC [V]
F
RC
[k
Hz
]
1.5
4.0
3.5
3.0
2.5
2.0
5.5
5.0
4.5
85°C
25°C
-40°C
7.0
7.4
7.8
8.2
8.6
VCC [V]
F
RC
[M
Hz
]
1.5
4.0
3.5
3.0
2.5
2.0
5.5
5.0
4.5