Datasheet
ATmega164A/PA/324A/PA/644A/PA/1284/P
2018 Microchip Technology Inc. Data Sheet Complete DS40002070A-page 558
31.1.4 Pin pull-up
Figure 31-9. ATmega164PA: I/O pin pull-up resistor current vs. input voltage (V
CC
= 1.8V)
Figure 31-10. ATmega164PA: I/O pin pull-up resistor current vs. input voltage (V
CC
= 2.7V)
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