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CY8C20x34 | Cypress Semiconductor


The CapSense Family provides programmable touch sensing via assembly or C language coding in PSoC Designer. The CapSense Family supports up to twenty-one general purpose I/Os for buttons, multi-segment sliders, proximity detection, touchpads, LEDs, and other general purpose functions. This family also has I2C and SPI communication interfaces and a versatile Analog Mux system.

Key Features:
  • 2.4V to 5.5V Core Voltage
  • Upto28 GPIOs: Combination of Buttons, Multi-segment Sliders, Touchpads, Proximity Sensors, LEDs, Other GPIO functions
  • I2C and SPI Communication Interfaces
  • Wide Variety of Packages : 16QFN(3x3mm) to 32QFN(5x5mm)
  • Proximity Sensing
  • Patented CSA technology for robust immunity to conducted and radiated noise
  1. Download the Getting started with CapSense" Design Guide
  2. Install PSoc Designer to begin development
  3. Purchase one of the CapSense development kits to evaluate your design