The UC3-A3 Xplained kit has one QTouch button and one QTouch slider, both are connected to GPIO pins on the AT32UC3A3256.
| Touch sensor onboard reference | QTouch method pin name | UC3 GPIO pin |
|---|---|---|
| CH1 | SNSK1 | 98 |
| CH1 | SNS1 | 99 |
| CH2 | SNSK2 | 100 |
| CH2 | SNS2 | 101 |
| CH3 | SNSK3 | 102 |
| CH3 | SNS3 | 103 |
| CH4 | SNSK4 | 104 |
| CH4 | SNS4 | 105 |