Datasheet

512
8272A–AVR–01/10
164A/164PA/324A/324PA/644A/644PA/1284/1284P
Figure 28-319.ATmega1284: I/O Pin Output Voltage vs. Source Current (V
CC
= 3V)
28.7.9 Pin Threshold and Hysteresis
Figure 28-320.ATmega1284: I/O 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
3
3.5
02468 10 12 14 16 18 20
I
OH
(mA)
V
OH
(V)
85 °C
25 °C
-40 °C
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)