NXP Semiconductors i.MX 8MIC-RPI-MX8 Скачать руководство пользователя страница 2

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ABOUT THE 8MIC-RPI-MX8 BOARD

 

Quick Start Guide

The 8MIC-RPI-MX8 accessory board is designed for voice enabled application 
prototyping and development on the i.MX 8M family. The board plugs directly into the 
40-pin expansion connector on the i.MX 8M Mini and Nano EVK’s.

The specific layout of the eight microphones allows for various microphone 
configurations to be evaluated and tailored to specific use-cases such as smart speaker, 
or smart display.

FEATURES

•  8 PDM Microphones
•  8 monochrome LEDs
•  4 multi-color LEDs
•  2 status LEDs
•  4 pushbuttons
•  Microphone Mute Switch
•  Microphone geometry switch

Содержание i.MX 8MIC-RPI-MX8

Страница 1: ...Quick Start Guide i MX 8MIC RPI MX8 Board...

Страница 2: ...ly into the 40 pin expansion connector on the i MX 8M Mini and Nano EVK s The specific layout of the eight microphones allows for various microphone configurations to be evaluated and tailored to spec...

Страница 3: ...xpansion Connector Connector Note Pin 1 Note Pin 1 location location Wi Fi BT Antenna Wi Fi BT Antenna Display MIPI DSI Display MIPI DSI Camera MIPI CSI Camera MIPI CSI CPU Board CPU Board BOOT Switch...

Страница 4: ...microphones 8 microphones and UI LEDs and UI LEDs Board Power Board Power LED LED MIC_SEL MIC_SEL switch switch Mic Mute Mic Mute LED LED Mic geometry Mic geometry change switch change switch 4 UI pu...

Страница 5: ...www nxp com GET TO KNOW THE i MX 8M 8MIC BOARD 8MIC RPI MX8 CONTINUED 5 Figure 2 Back View of the 8MIC Board Note Pin 1 Note Pin 1 location location...

Страница 6: ...Quick Start Guide MICROPHONE ARRAY CONFIGURATIONS 6 1 7 8 2 2 3 4 5 6 1 4 Default Configuration 1 7 3 4 1 7 4 5 1 7 3 5 6 2 2 1 3 4 5 6 2...

Страница 7: ...ware and documentation are available at www nxp com imx8mminievk The following are available on the website Table 2 Software and Tools ITEM DESCRIPTION Documentation Schematics layout and Gerber files...

Страница 8: ...the i MX 8M Mini DDR4 EVK 1 Connect the Boards The 8MIC RPI MX8 connects directly to the EVK through the 40 pin accessory board connector Ensure that pin 1 of the 8MIC RPI MX8 is aligned with pin 1 on...

Страница 9: ...of the Power Supply to J302 USB Type C Port2 then power up the board using switch SW101 Use only J302 for power delivery to the board 3 Record Audio At the linux command line in the shell terminal you...

Страница 10: ...art Guide 10 4 Playback Audio At the linux command line in the shell terminal you can use the aplay command to playback audio First list the available playback devices aplay l SETTING UP THE SYSTEM CO...

Страница 11: ...h that port the following command should be issued aplay Dplughw 1 0 sample wav 5 Storage The 8MIC board should be stored in a dust free container or ESD bag The microphones may be damaged by dust par...

Страница 12: ...duct or service names are the property of their respective owners 2020 NXP B V Document Number IMX8MICQSG REV 0 SUPPORT Visit www nxp com support for a list of phone numbers within your region WARRANT...

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