Datasheet

ATmega164A/PA/324A/PA/644A/PA/1284/P
 2018 Microchip Technology Inc. Data Sheet Complete DS40002070A-page 625
Figure 31-141. ATmega1284P: I/O pin input threshold vs. V
CC
(V
IL
, I/O pin read as ‘0’)
Figure 31-142. ATmega1284P: I/O pin input hysteresis vs. V
CC
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