
458
8272E–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
29.5.7
Pin pull-up
Figure 29-211.Atmel ATmega644A: I/O pin pull-up resistor current vs. input voltage (V
CC =
1.8V).
Figure 29-212.Atmel ATmega644A: I/O pin pull-up resistor current vs. input voltage (V
CC =
2.7V).
85°C
25°C
-40°C
0
5
10
15
20
25
30
35
40
45
50
VOP [V]
I OP
[A]
0
1.0
0.8
0.6
0.4
0.2
1.6
1.4
1.2
1.8
0
10
20
30
40
50
60
70
80
VOP [V]
I OP
[A]
85°C
25°C
-40°C
0
2.5
2.0
1.5
1.0
0.5
3.0