Infineon PSoC62 IoT

Infineon PSoC6 ultra-low-power reference design provides machine listening with built-in security, on-device processing of local command sets, and "hey Cypress" wake word powered by Sensory TrulyHandsfree™. The design unlocks internet-free voice interaction to a new universe of devices throughout the smart home.


  • Best-in-class Voice UI
    • TalkTo eliminates noise sources for high performance voice control in extreme noise conditions 
  • Local command recognition
    • Optimized solution for edge processing 
    • No internet connection required

Audio Front-end Features

  • DSP Concepts’ TalkTo for excellent far-field performance in noisy environments
    • 2-mic Beamformer with Single Channel Noise Reduction (SCNR)
    • Quiescent Sound Detector (QSD) for low power wakeup on interrupt
    • State-of-the-art noise cancellation with Adaptive Interference Canceller (AIC) 
      • No reference signal needed
      • Eliminates 30dB of external noise sources such as background music or a booming movie
    • 35dB Acoustic Echo Cancellation (AEC) for excellent barge-in performance
  • Sensory TrulyHandsfree trigger word integration with the following command set
    • Turn On lights
    • Turn Off lights
    • Open garage door
    • Close garage door
    • A/C on
    • A/C off
    • Set temperature at 68F

Software Integrations

  • Audio Weaver Designer: Drag-and-drop graphical tool to customize and tune audio processing models in real-time with 500+ modules
  • Audio Weaver Core: Embedded audio processing engine for Cortex-M4
  • TalkTo Voice UI: Noise reduction and advanced beam-forming signal processing for far-field voice activation
  • ‘Hey Cypress’ trigger word
  • PSoC 6 SDK (Modus toolbox) from Infineon

Hardware Specifications

  • Processor: PSoC6 MCU CY8C62x6/7
    • CY8CProto-062-4343W module
    • 150-MHz Arm® Cortex®-M4 CPU with single-cycle multiply, floating point, and memory protection unit.
    • 100-MHz Arm Cortex-M0+ as the secondary processor for low-power operations.
  • Memory
    • 288KB SRAM with power and data retention control
    • Up to 1MB application flash, 32KB auxiliary flash
  • Audio I/O
    • 2x PDM-PCM digital microphone interface
    • 1x I2S with TDM mode
    • on-board debugger/programmer with KitProg3
  • Connectivity
    • PSoC6 supports multiple wired and wireless connectivity options including Bluetooth Low Energy, WiFi and USB. 

Included with the demo kit:

  • CY8CProt-62-4343W PSoC 6 Wi-Fi BT Prototyping kit
  • 2 mic linear array
  • PSoC 6 SDK (Modus toolbox)
  • PSoC 6 Dev kit BSPs, Readme files and documentation
  • Code examples in Cypress Github repository
  • USB cables

Ready to get started?

Schedule time to speak with one of our audio experts.