Mechanical Switch

ATmega4809 Curiosity Nano has one mechanical switch. This is a generic user configurable switch. When the switch is pressed, it will drive the I/O line to ground (GND).

Info: There is a 100 kΩ pull-up resistor connected to the generic user switch. An internal pull-up in the ATmega4809 is not required to use the switch.
Table 1. Mechanical Switch
ATmega4809 Pin Description Shared Functionality
PF6 User switch (SW0) DBG3