SAM C21 Xplained Pro

4.3.6 QTouch Button

There is one self capacitance button available on the SAM C21 Xplained Pro board that can be used as I/O. This QTouch button is intended to be driven by the built-in Peripheral Touch Controller (PTC) of the device.

Note: To get started with QTouch, refer to Atmel QTouch® Library and Atmel QTouch® Composer.

Table 4-23. QTouch Connection
SAM C21 pin	Silkscreen text
PA05	QT BTN1

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