Introduction

This reference design demonstrates a robust capacitive touch user interface solution based on Atmel® ATSAMD20 with Peripheral Touch Controller (PTC). The design allows users to easily apply Atmel® QTouch® technology to achieve best-in-class noise immunity and moisture tolerance in challenging environments with a high level of electromagnetic noise – ideal for harsh environments.

关键特性

  • IEC 61000-4-6 10V Conducted Immunity tolerant QTouch Safety Library
  • IEC/UL 60730 Class B certified QTouch Safety Library firmware
  • FMEA support
  • Six self-capacitance buttons with Philipp™ Spring
  • Four mutual-capacitance buttons
  • One 8-channel mutual-capacitance slider