
391
8272E–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
Figure 29-86. Atmel ATmega164PA: Watchdog oscillator frequency vs. V
CC.
Figure 29-87. Atmel ATmega164PA: Calibrated 8MHz RC oscillator vs. V
CC.
85°C
25°C
-40°C
120
123
126
129
132
135
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
7.2
7.4
7.6
7.8
8.0
8.2
8.4
VCC [V]
F
RC
[M
Hz
]
1.5
4.0
3.5
3.0
2.5
2.0
5.5
5.0
4.5