Renesas Electronics has added 38 new microcontrollers (MCUs) in its RX130 group. The new MCUs extend Flash memory size to 256 KB, 384 KB and 512 KB, and increase package size up to 100 pins to provide higher performance and compatibility with the RX231/RX230 group of touch MCUs.
The ultra-low power, low-cost RX130 group adds higher responsiveness and functionality for touch-based home appliances, and building and industrial automation applications requiring 3 V or 5 V system control and low power consumption.
The devices combine enhanced sensitivity and noise tolerance, making it possible to develop touch keys employing a variety of cover materials for use in a broad array of applications. These include control panels for electric appliances used in locations where they are likely to get wet, home equipment employing recessed switches for a more attractive design, and industrial machinery that must be operated wearing gloves for safety reasons.
The expanded RX130 group of MCUs features a new capacitive touch IP that supports both self-capacity and mutual-capacity for improved robustness and sensitivity. The capacitive touch sensor also significantly improves noise immunity and sensitivity for operation in wet conditions or dirty conditions. This allows manufacturers to apply touch keys to a variety of challenging, non-traditional materials, such as wood, glass or thick acrylic, opening up capacitive touch to a wider range of use in wet materials, while reducing safety or malfunction risks.
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