Datasheet

CY8C21x34/B CapSense
®
Design Guide Document No. 001-66271 Rev. *B 57
 CMPPRG User Module Example
 Receive String using CYRF6936 and CY8C27643
 CapSense Sigma Delta (CSD) with LED Backlight Fading on CY8C21x34
 CSD with SPIS on CY8C21x34
9.9 Design Support
Cypress has many design support channels to ensure the success of your CapSense solutions.
 Knowledge Base Articles –Browse technical articles by product family or perform a search on various CapSense
topics.
 CapSense Application Notes –Refer to a wide variety of application notes built on information presented in this
document.
 White Papers – Learn about advanced capacitive touch interface topics.
 Cypress Developer Community – Connect with the Cypress technical community and exchange information.
 CapSense Product Selector Guide – See the complete product offering of the Cypress CapSense product line.
 Video Library – Quickly get up to speed with tutorial videos.
 Quality & Reliability – Cypress is committed to complete customer satisfaction. At our Quality website, you can
find reliability and product qualification reports.
 Technical Support – World-class technical support is available online.
9.10 Document Revision History
Revision Issue Date Origin of Change Description of Change
** 12/29/2010 ANBA New Design Guide
*A 3/3/2011 ARVM Multiple chapter enhancements for content and reader
clarity
*B 12/07/2011 MATT Added bulleted abstract
Added Section 1.2
Moved Document Revision History to end of document
Rewrote Section 2 for clarity
Updated SmartSense tuning
Added Water Tolerance and Proximity Sensing
Added Low Power