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PSoC 4 Capacitive Sensing (CapSense® CSD) | Cypress Semiconductor

PSoC 4 Capacitive Sensing (CapSense® CSD)

Last Updated: 
Oct 11, 2016
Features Symbol Diagram
  • Best-In-Class SNR performance
  • Superior noise-immunity performance against conducted and radiated external noise
  • Ultra-low radiated emissions
  • CapSense button support: Overlay thickness of up to 15 mm for glass and 5 mm for plastic
  • SmartSense™ auto-tuning
    • Sets and maintains optimal sensor performance during run time
    • Eliminates manual tuning during development and production
  • Advanced user interface features: Water tolerance
    • Shield electrode support for reliable operation in the presence of water droplets
    • Guard sensor to prevent false touches under the water or flowing water
  • Support for user-defined combinations of button, linear slider, radial slider, touchpad and proximity capacitive sensors
  • Easy to use Application Programming Interface (API) for fast proto-typing
  • Integrated PC-based GUI for tuning in manual tuning mode (See Using the Tuner GUI section in this datasheet.)

Note This document refers to PSoC 4 devices throughout. References to PSoC 4 should be interpreted to mean PSoC 4 and PSoC 4 BLE (Bluetooth Low Energy) devices. This component also supports the PRoC BLE device.

General Description

Capacitive sensing using a Delta-Sigma Modulator (CapSense CSD) is a versatile and efficient way to measure capacitance and detect finger touches in user interface panel applications such as capacitive touch buttons, sliders, touchpads, touch screens, and proximity sensors.

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