User Module Datasheet: CAPSENSE® SIGMA-DELTA DATASHEET CSD_EMC V 1.00 (CY8C20x66, CY8C20x36, CY8C20336AN, CY8C20436AN, CY8C20636AN, CY8C20XX6L, CY8C20x46, CY8C20x96, CY7C645xx, CY7C643/4/5xx, CY7C60424, CY7C6053x, CYONS2110, CYONSFN2xxx)
Last Updated: 08/02/2012
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Version: 1.0
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Features and Overview
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Scan 1 to 36 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 CSD (Capacitive Sensing using a Sigma-Delta Modulator) provides capacitance sensing using the switched capacitor technique with a sigma-delta modulator to convert the sensing switched capacitor current to digital code.
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Spec No: 001-65928;
Sunset Owner: DHA;
Secondary Owner: TBEN;
Sunset Date: 11/03/11
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