541
8272E–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
Figure 29-369.Atmel ATmega1284P: I/O pin output voltage vs. source current (V
CC = 3V).
29.8.9
Pin threshold and hysteresis
Figure 29-370.Atmel ATmega1284P: I/O pin input threshold vs. V
CC (VIH , 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
0246
8
10
12
14
16
18
20
IOH [mA]
V
OH
[V]
85°C
25°C
-40°C
0
0.5
1.0
1.5
2.0
2.5
3.0
VCC [V]
Thre
s
hold
[V]
1.5
4.0
3.5
3.0
2.5
2.0
5.5
5.0
4.5