Rainbow-electronics ATmega3290P_V Manual de usuario Pagina 337

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ATmega329/3290/649/6490
2552H–AVR–11/06
Pin Thresholds and hysteresis Figure 174. I/O Pin Input Threshold Voltage vs. V
CC
(V
IH
, I/O Pin Read as “1”)
Figure 175. I/O Pin Input Threshold Voltage vs. V
CC
(V
IL
, I/O Pin Read as “0”)
I/O PIN INPUT THRESHOLD VOLTAGE vs. V
CC
VIH, I/O PIN READ AS '1'
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)
85
°
C
25
°
C
-40
°
C
I/O PIN INPUT THRESHOLD VOLTAGE vs. V
CC
VIL, I/O PIN READ AS '0'
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)
85
°
C
25
°
C
-40
°
C
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