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reference designFPGA-UG-02057 | Demoboard 8 to 1 Microphone Aggregator Board

Lattice semiconductor Corporation FPGA-UG-02057 | Demoboard 8 to 1 Microphone Aggregator Board

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

Overview

TopologyFPGA
IC revisionA

Description

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 patternTwo center right/leftFor use with the iCE40 UltraPlus MDPNot intended for stand-alone operationPush-button for cycling through demo modesLEDs for power and mode

Typical applications

More information

Parts approved by Lattice semiconductor Corporation

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150060VS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, 570 nm, Bright Green
Simu­lation
Availability
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear
Dominant Wavelength [typ.]570 nm
Emitting ColorBright Green 
Peak Wavelength [typ.]572 nm
Luminous Intensity [typ.]40 mcd
Forward Voltage [typ.]2 V
Chip TechnologyAlInGaP 
Viewing Angle Phi 0° [typ.]140 °
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150060YS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, 590 nm, Yellow
Simu­lation
Availability
–
Downloads27 files

RAY files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear
Dominant Wavelength [typ.]590 nm
Emitting ColorYellow 
Peak Wavelength [typ.]595 nm
Luminous Intensity [typ.]120 mcd
Forward Voltage [typ.]2 V
Chip TechnologyAlInGaP 
Viewing Angle Phi 0° [typ.]140 °
–Check availability