Datasheet

280
7799D–AVR–11/10
ATmega8U2/16U2/32U2
Figure 27-14. USB DP HI Pull-Up Resistor Current vs. USB Pin Voltage
27.6 Pin Threshold and Hysteresis
Figure 27-15. I/O Pin Input Threshold Voltage vs. V
CC
(V
IH
, I/O Pin read as ‘1’)
85 °C
25 °C
-40 °C
0
200
400
600
800
1000
1200
1400
1600
0 0.5 1 1.5 2 2.5 3 3.5
V
USB
(V)
I
USB
(uA)
85 °C
25 °C
-40 °C
0.7
0.9
1.1
1.3
1.5
1.7
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)