Below is the list of different devices in AT32UC3L family that is supported by the QTouch library.
AT32UC3L016, AT32UC3L032, AT32UC3L064
ATUC64L3U, ATUC128L3U, ATUC256L3U (Studio 6 Support only.)
ATUC64L4U, ATUC128L4U, ATUC256L4U (Studio 6 Support only.)
For capacitive touch sensing module related information Refer to “Capacitive touch module (CAT)” of the datasheet.