The purpose of this application note is to provide the system/hardware engineers enough ground knowledge to start the design of capacitive touch inferface solutions with the S-Touch™ capacitive controller devices. The document highlights the recommended step-by-step procedures to be followed for a successful S-Touch™ design-in: design flow, PCB layout, fabrication, assembly pre- production and production tests. Each topic covered in this document is explained in detail in other application notes.