Development kits for microphone aggregation

xCORE Array Microphone

Kit: XK-USB-MIC-UF216
Silicon: XU216-512-TQ128
Downloads: software and documents

The xCORE Array Microphone features 7 MEMS microphones with PDM (Pulse Density Modulation) output connected to our XUF216-512 xCORE-200 multicore microcontroller.

The xCORE Array Microphone provides an ideal platform for a range of multichannel microphone aggregation products.

Specification and block diagram

xCORE Microphone Array board

  • xCORE-200 XU216 multicore microcontroller
  • USB Audio Class 2.0 compliant device, backwards compatible to UAC 1.0
  • Voice capture: x7 PDM MEMS microphones (IM69D130)
  • Audio out: 3.5mm headphone jack
  • User interface: 4 buttons and 13 LEDs
  • xSYS connector for JTAG debug

Array microphone interface library

  • PDM to PCM format conversion
  • Four channel decimator
  • Programmable output sample rate
    • 8, 12, 16, 24 or 48kHz
    • 7.35, 11.025, 14.7, 22.05 or 44.1 kHz
  • Up to 100dB dynamic range
  • Microphone gain compensation
  • Optional delay line per microphone
    • 1.3us resolution

USB Audio Driver Support: See USB Audio Driver Support for detailed information.

The hardware and software listed on this page may be subject to a license agreement – see License Agreements.

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