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360
8272E–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
Figure 29-27. Atmel ATmega164A: I/O pin input hysteresis vs. V
CC.
Figure 29-28. Atmel ATmega164A: Reset pin input threshold vs. V
CC (VIH , I/O pin read as ‘1’).
85°C
25°C
-40°C
0
0.1
0.2
0.3
0.4
0.5
0.6
VCC [V]
In
p
u
th
y
s
tere
s
is
[m
V
]
1.5
4.0
3.5
3.0
2.5
2.0
5.5
5.0
4.5
85°C
25°C
-40°C
0
0.5
1.0
1.5
2.0
2.5
VCC [V]
Thre
s
hold
[V
]
1.5
4.0
3.5
3.0
2.5
2.0
5.5
5.0
4.5