Reference Design - Infineon PSoC62 IoT

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 wake-up 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

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.