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AN66271 - CY8C21x34/B CapSense® Design Guide | Cypress Semiconductor

AN66271 - CY8C21x34/B CapSense® Design Guide

Last Updated: 
Feb 28, 2021
Version: 
*H

This document gives design guidance for using capacitive touch sensing (CapSense® ) functionality with the CY8C21x34/B family of CapSense Plus™ Controllers.

The following topics are covered in this guide:

  • Features of the CY8C21x34/B family of CapSense Plus Controllers
  • CapSense principles of operation
  • Introduction to CapSense design tools
  • Detailed guide to tuning the CapSense touch sensing system for optimal performance
  • Advanced features such as water tolerance and proximity detection
  • Electrical and mechanical system design considerations
  • Additional resources and support for designing CapSense into your system

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Dear valued customer,

Thank you for choosing our products. They come with all the know-how and passion that our engineers have put into it. As you probably already know, Cypress is now Infineon. This is a major step for our company, but also for the good of you. 

Reliability and business continuity are of utmost importance for us. Hence, we remain fully committed to honoring existing customer and distributor relationships. This includes offering the legacy Cypress product portfolio. We thank you very much for your trusting support.

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Translated documents are for reference only. We recommend that you refer to the English-language version of a document if you are engaged in development of a design.