User guide

6 Document No. 001-64846 Rev. *A Getting Started with CapSense®
1. Introduction
1.1 How to Use This Guide
This document is the starting point for any new CapSense

design. The most important thing the guide does is to
help you to select the right device for your application using our CapSense Selector Guide in Chapter 5. In addition,
using this guide you can:
 Become familiar with technology underlying CapSense solutions
 Understand important design considerations
 Migrate existing designs between CapSense devices
 Review the many resources available to support your entire design cycle
Once you are ready to design your application, consult the Design Guide specific to the CapSense device family you
have selected.
1.2 Cypress CapSense

Cypress CapSense solutions bring elegant, reliable, and easy-to-use touch sensing functionality to your design. Our
capacitive touch sensing solutions have replaced more than 3.5 billion mechanical buttons. CapSense touch sensing
has changed the face of industrial design in products such as cell phones, PCs, consumer electronics, automotive
features and white goods. Cypress’s robust CapSense solutions leverage our flexible Programmable System-on-Chip
(PSoC
Products

1.2.1 Cypress CapSense Differentiation
) architecture, which accelerates time-to-market, integrates critical system functions and reduces BOM costs.
 Robust sensing technology
 High noise immunity
 High performance across a variety of overlay materials and thickness.
 SmartSense™ Auto-Tuning technology
 Proximity sensing
 Water tolerant performance
 Complete user interface solution including audio, visual, and haptics feedback
 Low power consumption
 Wide operating voltage range (1.71 V to 5.5 V)
 Small form factor packaging
 Reduced BOM cost with integrated CapSense Plus features (ADC, DAC, LED, PWM)