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CapSense Express!creating reference designs with 1CS/2CS button devices

Posted: 05 Nov 2009 ?? ?Print Version ?Bookmark and Share

Keywords:design CY8C20111/CY8C20121? reference design CapSense? button devices ICS/2CS?

CapSense Express is a family of configurable devices that provides a quick way to implement touch sensing functionality involving few buttons, slider, LEDs and general purpose I/Os. The CapSense Express controllers support two capacitive sensing (CapSense) buttons and two general purpose outputs in CY8C20121 and one CapSense button and one general purpose output in CY8C20111. The host controller can configure these as I?C slave devices and read the sensor information in real time. A software tool is also provided for achieving optimal performance in real time using a GUI. These are plug and play devices with factory default settings. The 1B/2B devices achieve CapSense functionality without requiring any external components. The ease of use of these devices leads to reduced cost and less time to market the solution.

CapSense Express family of configurable devices provides a quick way to implement touch sensing functionality. The one- and two-button devices can easily replace mechanical switches in applications requiring low pin count devices. This application note explains how to create simple reference designs with the CY8C20111/CY8C20121 devices and also demonstrates the functionality of these devices through example projects.

View the PDF document for more information.

Click here to view related datasheets.

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