Capacitive Touch Evaluation Kit Compliant with IEC/EN 61000-4-6 Industry Standard
March 2012
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A new capacitive touch evaluation kit has a touch interface certified (by TUeV Rheinland) to pass the IEC/EN 61000-4-6 standard, which defines compliance to RF-based conducted noise immunity. The system was designed to demonstrate the ability to pass up to 15V noise injection level over the full frequency range of 150 KHz to 230MHz for all keys. This performance surpasses the IEC/EN 61000-4-6 Level 3 specification, which goes beyond the requirements of typical consumer and industrial applications.

The kit is based on the supplier's R8C/3xT-A MCUs, the latest line of R8C family devices designed for capacitive touch key applications. The R8C touch MCUs incorporate a specialized hardware block called Touch Sensor Control Unit (SCU), which handles touch scanning and processing functions completely independent from the CPU. The solution provides engineers with the demonstration, evaluation, and development tools needed to get to market with robust touch key solutions for home appliance, consumer and building/office automation systems requiring enhanced human-machine interfaces (HMI).

Renesas Electronics America


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