346
8025I–AVR–02/09
ATmega48P/88P/168P/328P
Figure 27-33. BOD Thresholds vs. Temperature (BODLEVEL is 4.3 V).
27.1.11 Internal Oscilllator Speed
Figure 27-34. Watchdog Oscillator Frequency vs. Temperature.
BOD THRESHOLDS vs. TEMPERATURE
Vcc = 4.3V
4.2
4.25
4.3
4.35
4.4
4.45
4.5
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100
Temperature (C)
Threshold (V)
Rising Vcc
Falling Vcc
WATCHDOG OSCILLATOR FREQUENCY vs. TEMPERATURE
5.5 V
4.5 V
4.0 V
3.3 V
2.7 V
103
104
105
106
107
108
109
110
111
112
113
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100
Temperature
F
RC
(kHz)