Datasheet

296
XMEGA A3U [DATASHEET]
Atmel-8386D-AVR-ATxmega64A3U-128A3U-192A3U-256A3U–03/2014
37.4.2.3 Thresholds and Hysteresis
Figure 37-280. I/O pin input threshold voltage vs. V
CC.
T = 25°C.
Figure 37-281. I/O pin input threshold voltage vs. V
CC
.
V
IH
I/O pin read as “1”.
VIL
VIH
0.50
0.65
0.80
0.95
1.10
1.25
1.40
1.55
1.70
1.85
1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6
V
CC
[V]
V
Threshold
[V]
85°C
25°C
-40°C
0.8
1.0
1.2
1.4
1.6
1.8
V
CC
[V]
V
THRESHOLD
[V]
1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6