Datasheet

515
8272E–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
Figure 29-319.Atmel ATmega1284: I/O pin output voltage vs. source current (V
CC
= 3V).
29.7.9 Pin threshold and hysteresis
Figure 29-320.Atmel ATmega1284: I/O pin input threshold vs. V
CC
(V
IH
, I/O pin read as ‘1’).
85°C
25°C
-40°C
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
02468 10 12 14 16 18 20
I
OH
[mA]
V
OH
[V]
85°C
25°C
-40°C
0
0.5
1.0
1.5
2.0
2.5
3.0
V
CC
[V]
Threshold [V]
1.5 4.03.53.02.52.0 5.55.04.5