Datasheet

539
8272A–AVR–01/10
164A/164PA/324A/324PA/644A/644PA/1284/1284P
Figure 28-371.ATmega1284P: I/O Pin Input Threshold vs. V
CC
(V
IL
, I/O Pin Read as ‘0’)
Figure 28-372.ATmega1284P: I/O Pin Input Hysteresis vs. V
CC
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)
85 °C
25 °C
-40 °C
0.25
0.3
0.35
0.4
0.45
0.5
0.55
0.6
1.522.533.544.555.5
V
CC
(V)
Input Hysteresis (mV)