![](http://datasheet.mmic.net.cn/90000/MC80C32E-12-883-D_datasheet_2371307/MC80C32E-12-883-D_495.png)
495
8272E–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
Figure 29-282.Atmel ATmega644PA: Watchdog oscillator orequency vs. V
CC.
Figure 29-283.Atmel ATmega644PA: Calibrated 8MHz RC oscillator vs. V
CC.
108
109
110
111
112
113
114
115
116
117
118
119
VCC [V]
F
RC
[kHz]
85°C
25°C
-40°C
1.5
4.0
3.5
3.0
2.5
2.0
5.5
5.0
4.5
7.2
7.4
7.6
7.8
8.0
8.2
8.4
VCC [V]
F
RC
[M
Hz]
85°C
25°C
-40°C
4.0
3.5
3.0
2.5
2.0
5.5
5.0
4.5