ATXMEGA128A4_1012 Datasheet, PDF (83/108 Pages) ATMEL Corporation – 8/16-bit XMEGA A4 Microcontroller

XMEGA A4
35.7 Pin Thresholds and Hysteresis
Figure 35-27. I/O Pin Input Threshold Voltage vs. V_CC
V_IH - I/O Pin Read as “1”.
2.5
2
-40 °C
25 °C
85 °C
1.5
1
0.5
0
1.6 1.8
2
2.2 2.4 2.6 2.8
3
3.2 3.4 3.6
V_CC [V]
Figure 35-28. I/O Pin Input Threshold Voltage vs. V_CC
V_IL - I/O Pin Read as “0”.
1.8
1.6
1.4
85 °C
25 °C
-40 °C
1.2
1
0.8
0.6
0.4
0.2
0
1.6 1.8
2
2.2 2.4 2.6 2.8
3
3.2 3.4 3.6
V_CC [V]
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