8 to 1 Microphone Aggregator Board

Daughter board for iCE40 UltraPlus Mobile Development Platform (MDP) for aggregation of up to eight PDM microphones.

This board is an optional add-on for the iCE40 UltraPlus Mobile Development Platform (MDP).

It features eight PDM microphones arranged with six in a 67 mm diameter hex pattern, and two near the center.

Use this board to develop microphone aggregation applications using the iCE40 UltraPlus MDP. You can download an example Lattice demo today. This demo aggregates data from 8 PDM microphones and passes it over I2S for use by a processor or DAC (after decoding).

Features

  • Eight PDM Microphones (MP34DB02TR or equivalent)
    • Six in a 67 mm diameter hex pattern
    • Two center right/left
  • For use with the iCE40 UltraPlus MDP
    • Not intended for stand-alone operation
  • Push-button for cycling through demo modes
  • LEDs for power and mode

Kit Contents

  • 8 to 1 Microphone Aggregator Board

Board Photos

8 to 1 Microphone Aggregator Board Top View

8 to 1 Microphone Aggregator Board Bottom View

8 to 1 Microphone Aggregator Board Installed on iCE40 UltraPlus MDP View

Ordering Information

  • Ordering Part Number: LF-81AGG-EVN
  • Click here to find an authorized Lattice distributor near you
  • Click here to order now from the Lattice Online Store

Documentation

Quick Reference
Technical Resources
Downloads
TITLE NUMBER VERSION DATE FORMAT SIZE
iCE40 UltraPlus 6 to 1 MIC Aggregation SPI Demo Radiant User Guide
FPGA-UG-02057 1.0 6/26/2018 PDF 907.1 KB
TITLE NUMBER VERSION DATE FORMAT SIZE
iCE40 UltraPlus 8 to 1 Microphone Aggregation Bitstream
1.0 1/2/2018 ZIP 47.7 KB
iCE40 UltraPlus 8:1 Mic Aggregation Demo User Guide
FPGA-UG-02035 1.2 2/26/2018 PDF 1.6 MB
TITLE NUMBER VERSION DATE FORMAT SIZE
iCE40 UltraPlus 8 to1 Microphone Aggregation Radiant Source Files
1.0 6/14/2018 ZIP 5.2 MB
iCE40 UltraPlus 6 to 1 MIC Aggregation SPI Demo Radiant Source Files
1.0 6/29/2018 ZIP 48.7 MB


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