NXP i.MX Audio Board Quick Start Guide

Quick Start Guide

i.MX Audio Board

Quick Start Guide

2

ABOUT THE i.MX AUDIO BOARD

i.MX Audio Board (or

MCIMX8M-AUD

) is an excellent, configurable and functional
audio processing platform. It supports multiple i.MX 8M series processors and HDMI
card. A variety of audio input and output interfaces are integrated into the system, it
supports HDMI input, HDMI eARC, S/PDIF I/O, 2-ch ADC line-in, 24-ch DAC line-out
and so on. Based on these features, rich audio application cases can be realized.

Features

•

24-ch line out

•

2-ch line in

•

S/PDIF I/O

- TOSLINK up to 192kHz for optical
fiber cable

- RCA for coaxial cable

•

Audio in/out on HDMI card

•

eARC on HDMI card

•

eARC on i.MX 8M Plus processor

•

Micro-SD card connector

•

USB with Type-C connector

•

Ethernet

•

M.2 connector

- PCIE for i.MX 8M Plus and i.MX 8M
Mini

- SDIO for i.MX 8M Plus

•

DSI mini-SAS connector

•

USB to serial converter for debug

3

www.nxp.com

GET TO KNOW THE i.MX AUDIO BOARD

Figure 1: i.MX Audio Board Top View

mini-SAS

Ethernet

HDMI

Only i.MX 8M Plus

HDMI Card

12V Trigger

S/PDIF TX

S/PDIF RX

ADC 2-CH

DAC 24-CH

USB Type-C

USB Debug

Micro-SD

On/Off

Reset

Interposer Board

i.MX 8M Mini/
Nano Boot Switch

8-DMIC
Connector

DC 12V Jack

CPLD Mode Switch

ADC Parallel Jumper

DAC Parallel Jumper

Button Board
Connector

M.2 Connector

SOM Connector

Power Mode Jumper

I2C Connector

CPLD Download

S/PDIF Route
Jumper

Board ID Switch

Quick Start Guide

4

GETTING STARTED

Unpack the Kit

The i.MX Audio Board

is shipped with the

items listed in Table 1. E

nsure the items

are included in the box.

Prepare Accessories

The following items in Table 2 are
recommended to run the i.MX 8M Audio
Board.

Table 2 Customer
Supplied Accessories

ITEM

DESCRIPTION

SOM Boards*

- i.MX 8M Nano SOM Board

- i.MX 8M Mini SOM Board

- i.MX 8M Plus SOM Board

HDMI Display

HDMI display that supports a
minimum resolution of
1080P60

HDMI Cable

HDMI 2.0 cable to connect the
HDMI card to HDMI display

USB Micro-B
Cable

USB Type-A Male to Micro-B Male
Coaxial Cable

RCA cable for line-in and line-out

Fiber Cable

Optical fiber cable for TOSLINK

*Note: SOM Boards from their EVK Boards. For example,
i.MX 8M Nano SOM Board from i.MX 8M Nano DDR4 EVK.

Table 1 Kit Contents

ITEM

DESCRIPTION

EVB Board

i.MX Audio board

Additional
Daughter Cards

- Interposer board

- EP HDMI card

- Button board

Power Supply

12V 5A with DC jack

Accessories

- SCREW-TY PE3 M3X5-5-S x1

- Antenna x3

Documentation

Quick Start Guide