User Module Datasheet: CapSense® Sigma-Delta Datasheet CSD V 1.70 (CY8C21x12, CY8CLED04)
Last Updated: 10/18/2012
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Version: 1.80
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Features and Overview:
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Scan 1 to 28 capacitive sensors.
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Sensing possible with up to a 15 mm glass overlay.
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Proximity detection to 20 cm with a wire-based sensor.
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High immunity to AC mains noise, EMC noise, and power supply voltage changes.
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Supports different combinations of independent and slide capacitive sensors.
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Double slide sensor physical resolution using diplexing.
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Increase slide sensor resolution using interpolation.
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Touchpad support with two slide sensors.
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Sensing support through high resistive conductive materials (ITO films, for example).
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Shield electrode support for reliable operation in the presence of water film or droplets.
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Guided sensor and pin assignments using the CSD Wizard.
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Integrated baseline update algorithm for handling temperature, humidity, and electrostatic discharge (ESD) events.
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Easily adjustable operational parameters.
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PC GUI application support for raw data monitoring and parameter optimization in real time.
The Capacitive Sensing using a Sigma Delta Modulator (CSD) gives CapSense® functionality using a switched capacitor technique with a sigma-delta modulator to convert the sensing switched capacitor current to digital code.
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Spec No: 001-63217;
Sunset Owner: DHA;
Secondary Owner: TBEN;
Sunset Date: 09/22/11
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