Datasheet

Figure 30-27. I/O Pin Input Hysteresis vs. V
CC
85 °C
25 °C
-40 °C
0.2
0.25
0.3
0.35
0.4
0.45
0.5
0.55
0.6
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
Input Hystere s is (mV)
Figure 30-28. Reset Pin Input Threshold vs. V
CC
(V
IH
, I/O Pin Read as ‘1’)
85 °C
25 °C
-40 °C
0
0.5
1
1.5
2
2.5
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
Threshold (V)
Figure 30-29. Reset Pin Input Threshold vs. V
CC
(V
IL
, I/O Pin Read as ‘0’)
85 °C
25 °C
-40 °C
0
0.5
1
1.5
2
2.5
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
Threshold (V)
Atmel ATmega644A [DATASHEET]
Atmel-42716C-ATmega644A_Datasheet_Complete-10/2016
422