Datasheet

281
7799D–AVR–11/10
ATmega8U2/16U2/32U2
Figure 27-16. I/O Pin Input Threshold Voltage vs. V
CC
(V
IL
, I/O Pin read as ‘0’)
27.7 BOD Threshold
Figure 27-17. BOD Thresholds vs. Temperature (BODLEVEL is 2.7 V)
85 °C
25 °C
-40 °C
0.6
0.8
1
1.2
1.4
1.6
1.8
2.5 2.8 3.1 3.4 3.7 4 4.3 4.6 4.9 5.2 5.5
V
CC
(V)
Threshold (V)
Rising Vcc
Falling Vcc
2.71
2.72
2.73
2.74
2.75
2.76
2.77
2.78
2.79
2.8
2.81
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
Temperature (°C)
Threshold (V)