370
8025I–AVR–02/09
ATmega48P/88P/168P/328P
Figure 27-79. BOD Thresholds vs. Temperature (BODLEVEL is 4.3 V).
27.2.11 Internal Oscilllator Speed
Figure 27-80. Watchdog Oscillator Frequency vs. Temperature.
BOD THRESHOLDS vs. TEMPERATURE
BODLEVEL IS 4.3 V
Rising Vcc
Falling Vcc
4
4.05
4.1
4.15
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 8090100
Temperature (C)
Threshold (V)
5.5 V
4.0 V
3.3 V
2.7 V
WATCHDOG OSCILLATOR FREQUENCY vs. TEMPERATURE
92
94
96
98
100
102
104
106
108
110
112
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 8090
Temperature
F
RC
(kHz)