Datasheet

400
ATmega640/1280/1281/2560/2561
2549K–AVR–01/07
Figure 183. I/O Pin Pull-up Resistor Current vs. Input Voltage (V
CC
= 2.7 V)
Figure 184. I/O Pin Pull-up Resistor Current vs. Input Voltage (V
CC
= 5V)
I/O PIN PULL-UP RESISTOR CURRENT vs. INPUT VOLTAGE
V
CC
= 2.7V
85˚C
25˚C
-40˚C
0
10
20
30
40
50
60
70
80
90
0 0,5 1 1,5 2 2,5 3
V
OP
(V)
I
OP
(uA)
I/O PIN PULL-UP RESISTOR CURRENT vs. INPUT VOLTAGE
V
CC
= 5V
85˚C
25˚C
-40˚C
0
20
40
60
80
100
120
140
160
0123456
V
OP
(V)
I
OP
(uA
)