xmega a3u - Elfa
xmega a3u - Elfa
xmega a3u - Elfa
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XMEGA A3U<br />
37.2.3 Thresholds and Hysteresis<br />
Figure 37-31. I/O pin input threshold voltage vs. V CC .<br />
T = 25°C.<br />
1.85<br />
1.70<br />
1.55<br />
VIH<br />
VIL<br />
1.40<br />
VThreshold [V]<br />
1.25<br />
1.10<br />
0.95<br />
0.80<br />
0.65<br />
0.50<br />
1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6<br />
V CC [V]<br />
Figure 37-32. I/O pin input threshold voltage vs. V CC .<br />
V IH I/O pin read as “1”.<br />
1.8<br />
1.6<br />
-40°C<br />
25°C<br />
85°C<br />
V THRESHOLD [V]<br />
1.4<br />
1.2<br />
1.0<br />
0.8<br />
1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6<br />
V CC [V]<br />
8386B–AVR–12/11<br />
107
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