ATXMEGA384C3_14 Datasheet, PDF (98/125 Pages) ATMEL Corporation – 8/16-bit Atmel XMEGA C3 Microcontroller

36.2.3 Thresholds and Hysteresis
Figure 36-27.I/O Pin Input Threshold Voltage vs. V_CC
V_IH I/O pin read as “1”
1.8
-40 °C
1.7
25 °C
1.6
85 °C
105 °C
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
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]
Figure 36-28.I/O Pin Input Threshold Voltage vs. V_CC
V_IL I/O pin read as “0”
1.70
1.55
105 °C
1.40
85 °C
25 °C
1.25
-40 °C
1.10
0.95
0.80
0.65
0.50
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]
XMEGA C3 [DATASHEET]
98
Atmel-8361F-AVR-ATxmega384C3-Datasheet–11/2014