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 The OneTouch solution consists of a family of capacitive sensing chips, easy to use GUI-based design and development tools, and documentation that takes the customer through the entire process from concept to mass production. The configurable OneTouch solution leverages Synaptics' capacitive interface expertise with a focus on design integration and usability considerations, sensitivity tuning and board testing to ensure manufacturability with high yield. Expert local and factory technical support is available to customers throughout the entire process.
Synaptics OneTouch chips use a proprietary mixed-signal technology to sense capacitance on sensor electrodes with high accuracy. Capacitive buttons are sensed using one sensor electrode each connected to one sensor pin on the chip. Scroll strips are sensed using multiple sensor electrode/sensor pin combinations. GPIOs can be used to drive LEDs, to monitor mechanical input switches and dome switches, or as general purpose I/Os. Synaptics OneTouch chips support industry-standard interfaces to communicate with host processors for optimal interoperability.
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