Datasheet

ATmega164A/PA/324A/PA/644A/PA/1284/P
 2018 Microchip Technology Inc. Data Sheet Complete DS40002070A-page 583
Figure 31-59. I/O Pin Output Voltage vs. Source Current (V
CC
= 5V)
31.2.6 Pin Threshold and Hysteresis
Figure 31-60. I/O Pin Input Threshold vs. V
CC
(V
IH
, I/O Pin Read as ‘1’)
105 °C
85 °C
25 °C
-40 °C
4.3
4.4
4.5
4.6
4.7
4.8
4.9
5
048121620
Load current (mA)
V
OH
(V)
105 °C
85 °C
25 °C
-40 °C
0
0.5
1
1.5
2
2.5
3
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
Threshold (V)