Datasheet

402
8011K–AVR–09/08
ATmega164P/324P/644P
28.3.9 Pin Threshold and Hysteresis
Figure 28-119.I/O Pin Input Threshold vs. V
CC
(V
IH
, I/O Pin Read as ‘1’).
Figure 28-120.I/O Pin Input Threshold vs. V
CC
(V
IL
, I/O Pin Read as ‘0’).
I/O PIN INPUT THRESHOLD VOLTAGE vs. V
CC
VIH, IO PIN READ AS '1'
85 °C
25 °C
0
0.5
1
1.5
2
2.5
3
3.5
1.5 2 2.5 33.5 4 4.5 5 5.5
V
CC
(V)
Threshold (V)
I/O PIN INPUT THRESHOLD VOLTAGE vs. V
CC
VIL, IO PIN READ AS '0'
85 °C
25 °C
0
0.5
1
1.5
2
2.5
1.5 2 2.5 33.5 4 4.5 5 5.5
V
CC
(V)
Threshold (V)