8MM053 Industrial Motherboards

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Product Information

Specifications

• Model: 8MM053
• Copyright: Protected
• Trademarks: Mentioned for identification purposes only
• Compliance: FCC and DOC Class B

Product Usage Instructions

About this Manual

This manual is downloadable from the website and is subject to
updates without notice. Make sure to refer to the website or
contact sales representatives for the latest version.

Warranty Information

Warranty coverage does not include damages from misuse,
unauthorized modifications, or improper installations. To maintain
warranty validity, do not attempt any service or repairs yourself;
always contact authorized service centers.

Static Electricity Precautions

1. Keep components in anti-static bags until installation.

2. Use an anti-static wrist strap during handling.

3. Work on a static-free surface.

4. Handle devices only by edges to avoid component damage.

5. Avoid touching pins or connectors directly; hold them by
   ends.

6. For ESD protection, perform procedures at an ESD workstation or
   use an anti-static wrist strap connected to the system
   chassis.

FAQ

Q: How can I obtain the latest version of the manual?

A: You can download the latest version from the website or
contact our sales representatives for assistance.

Q: What should I do if I suspect damage due to static

electricity?

A: If you suspect damage, refrain from further handling and
contact customer support for guidance on next steps.

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8MM053
NXP® i.MX 8M mini Series User’s Manual

© August 14, 2024 DFI Inc.

Copyright
This publication contains information that is protected by copyright. No part of it may be reproduced in any form or by any means or used to make any transformation/adaptation without the prior written permission from the copyright holders.
This publication is provided for informational purposes only. The manufacturer makes no representations or warranties with respect to the contents or use of this manual and specifically disclaims any express or implied warranties of merchantability or fitness for any particular purpose. The user will assume the entire risk of the use or the results of the use of this document. Further, the manufacturer reserves the right to revise this publication and make changes to its contents at any time, without obligation to notify any person or entity of such revisions or changes.
Changes after the publication’s first release will be based on the product’s revision. The website will always provide the most updated information.
© 2024. All Rights Reserved.
Trademarks
Product names or trademarks appearing in this manual are for identification purpose only and are the properties of the respective owners.

FCC and DOC Statement on Class B
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
· Reorient or relocate the receiving antenna.
· Increase the separation between the equipment and the receiver.
· Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
· Consult the dealer or an experienced radio TV technician for help.
Notice:
1. The changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
2. Shielded interface cables must be used in order to comply with the emission limits.

User’s Manual | 8MM053

2

Table of Contents
Chapter 1 – Introduction…………………………………………………………………………………………………. 6 Specifications …………………………………………………………………………………………………………. 6 Block Diagram ………………………………………………………………………………………………………… 8 Dimension ………………………………………………………………………………………………………………. 8
Chapter 2 – Hardware Installation…………………………………………………………………………………… 9 Board Layout…………………………………………………………………………………………………………… 9 Top View…………………………………………………………………………………………………………… 9 Bottom View……………………………………………………………………………………………………… 9 Jumper Settings …………………………………………………………………………………………………….10 DIO Power Select (5V_DIO) (IOJP1)…………………………………………………………………..10 Pin Assignment ……………………………………………………………………………………………………..11 Battery (BTJ1) …………………………………………………………………………………………………. 11 I2C (TSJ5) ………………………………………………………………………………………………………..11 UART Debug (TSJ4) ………………………………………………………………………………………..12 USB2.0 (UBJ1) ………………………………………………………………………………………………… 12 CAN (CBCN1)…………………………………………………………………………………………………..13 Front Panel (FPJP1) …………………………………………………………………………………………13 COM1 (TSJ2) …………………………………………………………………………………………………..14 COM2 (TSJ3) …………………………………………………………………………………………………..14 DIO/COM1 (TSJ1)…………………………………………………………………………………………….15 COM1-RS-232 (TSJ1) ……………………………………………………………………………………….15 COM1-RS-422 (TSJ1) ……………………………………………………………………………………….15 COM1-RS-485 (TSJ1) ……………………………………………………………………………………….15 Expansion Slots ……………………………………………………………………………………………………..16 Installing the M.2 Module …………………………………………………………………………………16

User’s Manual | 8MM053

3

About this Manual
This manual can be downloaded from the website.
The manual is subject to change and update without notice, and may be based on editions that do not resemble your actual products. Please visit our website or contact our sales representatives for the latest editions.
Warranty
1. Warranty does not cover damages or failures that occur from misuse of the product, inability to use the product, unauthorized replacement or alteration of components and product specifications.
2. The warranty is void if the product has been subjected to physical abuse, improper installation, modification, accidents or unauthorized repair of the product.
3. Unless otherwise instructed in this user’s manual, the user may not, under any circumstances, attempt to perform service, adjustments or repairs on the product, whether in or out of warranty. It must be returned to the purchase point, factory or authorized service agency for all such work.
4. We will not be liable for any indirect, special, incidental or consequential damages to the product that has been modified or altered.

Static Electricity Precautions
It is quite easy to inadvertently damage your PC, system board, components or devices even before installing them in your system unit. Static electrical discharge can damage computer components without causing any signs of physical damage. You must take extra care in handling them to ensure against electrostatic build-up.
1. To prevent electrostatic build-up, leave the system board in its anti- static bag until you are ready to install it.
2. Wear an antistatic wrist strap.
3. Do all preparation work on a static-free surface.
4. Hold the device only by its edges. Be careful not to touch any of the components, contacts or connections.
5. Avoid touching the pins or contacts on all modules and connectors. Hold modules or connectors by their ends.
Important: Electrostatic discharge (ESD) can damage your processor, disk drive and other components. Perform the upgrade instruction procedures described at an ESD workstation only. If such a station is not available, you can provide some ESD protection by wearing an antistatic wrist strap and attaching it to a metal part of the system chassis. If a wrist strap is unavailable, establish and maintain contact with the system chassis throughout any procedures requiring ESD protection.
Safety Measures
· To avoid damage to the system, use the correct AC input voltage range.
· To reduce the risk of electric shock, unplug the power cord before removing the system chassis cover for installation or servicing. After installation or servicing, cover the system chassis before plugging the power cord.

User’s Manual | 8MM053

4

About the Package
The package contains the following items. If any of these items are missing or damaged, please contact your dealer or sales representative for assistance.
· 1 8MM053 Motherboard
· Heat Spreader
· 2-Pole Terminal Block for RS-485
The board and accessories in the package may not come similar to the information listed above. This may differ in accordance with the sales region or models in which it was sold. For more information about the standard package in your region, please contact your dealer or sales representative.

Before Using the System Board
When installing the system board in a new system, you will need at least the following internal components.
· Memory module
· Storage device such as a hard disk drive.
· Power supply
External system peripherals may also be required for navigation and display, including at least a keyboard, a mouse and a video display monitor.

User’s Manual | 8MM053

5

Chapter 1 – Introduction
X Specifications

SYSTEM

Processor

GRAPHICS

Memory Controller Feature

EXPENSION ETHERNET REAR I/O
INTERNAL I/O
WATCHDOG TIMER

Display
Single Display Interface
Controller Ethernet Serial USB
Display Serial USB DIO and RS-422 SD I2C eMMC
Output & Interval

NXP i.MX 8M mini applications processors NXP i.MX 8M mini Quad Cortex-A53 1.8GHz (Consumer) NXP i.MX 8M mini Quad Cortex-A53 1.6GHz (Industrial) 4GB Memory Down (1GB/2GB by project support) Single Channel LPDDR4 2D-GC320 3D-GC NanoULTRA OpenGL® ES 2.1 VPU Decode: 1080p60 HEVC, H.264, VP9, VP8 VPU Encode: 1080p60 H.264, VP8 1 x HDMI (default) HDMI: resolution up to 1920×1080 @60Hz HDMI 1 x M.2 B key 3042/2242 (USB 2.0), Nano SIM slot support 1 x M.2 E key 2230 (USB 2.0) 1 x RTL8211 Ethernet (10/100/1000Mbps) 2 x GbE (RJ-45) 1 x RS-485(2 poles terminal block ) 2 x USB 2.0 1 x Reset Button 1 x HDMI 2 x RS-232 (2 x 5 header, 2mm pitch) 1 x USB 2.0 (2mm pitch) DIO (4 DIO/PWR/GND) and RS-422(4pin) (2 x 6 header, 2mm pitch) 1 x Micro SD Slot 1 x I2C (1.25mm pitch) Support eMMC 5.1 8GB on board (default)
Support up to 64GB (opt.) System Reset, Programmable via Software from 1 to 255 Seconds

User’s Manual | 8MM053

Chapter 1
INTRODUCTION
6

POWER
OS SUPPORT ENVIRONMENT

Type Connector RTC Battery OS Support Temperature

Humidity

MECHANISM

Dimensions Height

STANDARDS AND Certifications CERTIFICATIONS

DC 9V to 36V
2-poles Terminal Block (default)
CR2032 with cable
Yocto 3.3 on eMMC (default)
Operating: -5°C~65°C, -40°C~80°C Storage: -40 to 85°C
Operating: 5 to 90% RH Storage: 5 to 90% RH
100mm (3.94″) x 85mm (3.35″)
PCB: 1.6mm Top Side: 22.64mm, Bottom Side: 4mm
CE, FCC Class A, RoHS

Chapter 1
INTRODUCTION

User’s Manual | 8MM053

7

X Block Diagram

X Dimension

Chapter 1
INTRODUCTION

User’s Manual | 8MM053

8

Chapter 2 – Hardware Installation
X Board Layout
Top View

1

2

6 2
7 1
M.2 E Key

13

6

5

2

1

1
12

1 14

3

4

5

8

M.2 B Key

9

10

11

12

12

12

11 12

9 10

9 10

15

6

5

2

1

16
1

Bottom View
17
1
18

Chapter 2
HARDWARE INSTALLATION

User’s Manual | 8MM053

9

1 RS-485

2 HDMI

3

LAN2 USB2.0

4

LAN1 USB2.0

5 OTG USB

6 Nano SIM Slot

7 USB2.0

8 DC-in

9 DIO/COM1

10 COM2 11 COM1 12 Battery 13 Front Panel 14 CAN 15 DIO Power Select (5V_DIO) 16 UART Debug 17 uSD Slot 18 I2C

User’s Manual | 8MM053

X Jumper Settings

Chapter 2
HARDWARE INSTALLATION

DIO Power Select (5V_DIO) (IOJP1)

2 1
M.2 E Key

6

5

2

1

1 1

M.2 B Key

12

12

12

11 12

9 10

9 10

6

5

1

2

1

6

5

2

1

6

5

2

1

6

5

2

1

1-3 On: 3V3 (default) 2-4 On: DIO_PWR_SEL1 (default)

6

5

2

1

3-5 On: 5V

10

X Pin Assignment Battery (BTJ1)

I2C (TSJ5)

Chapter 2
HARDWARE INSTALLATION

2 1
M.2 E Key

6

5

1

2

1

1

1

M.2 B Key

12

12

12

11 12

9 10

9 10

6

5

1

2

1

1
1

Pin Assignment

1

+VBAT

2

GND

User’s Manual | 8MM053

Pin Assignment

1

3V3

2

SCL

3

SDA

4

GND

11

UART Debug (TSJ4)

USB2.0 (UBJ1)

Chapter 2
HARDWARE INSTALLATION

2 1
M.2 E Key

6

5

2

1

1 1

12

12

12

11 12

9 10

9 10

6

5

2

1

1

1

Pin Assignment

1

3V3

2 UART2_RXD

3 UART2_TXD

4

GND

User’s Manual | 8MM053

M.2 B Key M.2 B Key

2

1

2

1

M.2 E Key

6

5

2

1

1 1

12

12

12

11 12

9 10

9 10

6

5

1

2

1

Pin Assignment Pin Assignment

1

5V

2

DP

3

DN

4

DIO2

5

GND

6

CUT

12

CAN (CBCN1)

Front Panel (FPJP1)

Chapter 2
HARDWARE INSTALLATION

2 1
M.2 E Key

6

5

2

1

1 1

1

User’s Manual | 8MM053

12

12

12

11 12

9 10

9 10

6

5

1

2

1

Pin Assignment

1

3V3

2

CANH

3

CANL

4

GND

M.2 B Key M.2 B Key

2 1
M.2 E Key

6

5

2

1

6

5

2

1

1 1

12

12

12

11 12

9 10

9 10

6

5

1

2

1

Pin Assignment Pin Assignment

1

ONOFF

2

3V3

3

GND

4

SYS_LED

5

SYS_RST#

6

SYS_ON#

13

COM1 (TSJ2)

COM2 (TSJ3)

Chapter 2
HARDWARE INSTALLATION

2 1
M.2 E Key

6

5

2

1

1 1

12

12

12

11 12

9 10

9 10

12 9 10

6

5

1

2

1

Pin Assignment Pin Assignment

1

MDCD-

2

MSIN-

3

MSO-

4

MDTR-

5

GND

6

MDSR-

7

MRTS-

8

MCTS-

9

MRI-

10

—-

User’s Manual | 8MM053

M.2 B Key M.2 B Key

2 1
M.2 E Key

6

5

2

1

1 1

12

12

12

11 12

9 10

9 10

12 9 10

6

5

1

2

1

Pin Assignment Pin Assignment

1

MDCD-

2

MSIN-

3

MSO-

4

MDTR-

5

GND

6

MDSR-

7

MRTS-

8

MCTS-

9

MRI-

10

—-

14

DIO/COM1 (TSJ1)

2 1
M.2 E Key

6

5

2

1

1 1

M.2 B Key

12

12

12

11 12

9 10

9 10

12 11 12

6

5

1

2

1

Pin Assignment Pin Assignment

1

DIO1

2

DIO2

3

DIO3

4

DIO4

5

GND

6

VCCP

7

DCD

8

RX

9

RTS

10

TX

11

CTS

12

NC

User’s Manual | 8MM053

Chapter 2
HARDWARE INSTALLATION

COM1-RS-232 (TSJ1)

Pin Assignment Pin Assignment

1

DIO1

2

DIO2

3

DIO3

4

DIO4

5

GND

6

VCCP

7

NC

8

RX

9

RTS

10

TX

11

CTS

12

NC

COM1-RS-422 (TSJ1)

Pin Assignment Pin Assignment

1

DIO1

2

DIO2

3

DIO3

4

DIO4

5

GND

6

VCCP

7

TX-

8

TX+

9

NC

10

RX+

11

NC

12

RX-

COM1-RS-485 (TSJ1)

Pin Assignment Pin Assignment

1

DIO1

2

DIO2

3

DIO3

4

DIO4

5

GND

6

VCCP

7

DATA-

8

DATA+

9

RTS

10

TX

11

CTS

12

NC

15

X Expansion Slots

2 1
2 M.2 E Key

6

5

2

1

1
1

M.2 B Key

1

12

12

12

11 12

9 10

9 10

6

5

1

2

1

Chapter 2
HARDWARE INSTALLATION
Installing the M.2 Module
Before installing the M.2 module into the M.2 socket, please make sure that the following safety cautions are well-attended.
1. Make sure the PC and all other peripheral devices connected to it has been powered down.
2. Disconnect all power cords and cables. 3. Locate the M.2 socket on the system board 4. Make sure the notch on card is aligned to the key on the socket. 5. Make sure the standoff screw is removed from the standoff.

M.2 Module
Notch

Stand-off

M.2 Socket
Key

1

M.2 B-Key

2

M.2 E-Key

User’s Manual | 8MM053

16

Please follow the steps below to install the card into the socket.
Step 1: Insert the card into the socket at an angle while making sure the notch and key are perfectly aligned.
Step 2: Press the end of the card far from the socket down until against the stand-off.
Step 3: Screw tight the card onto the stand-off with a screw driver and a stand-off screw until the gap between the card and the stand-off closes up. The card should be lying parallel to the board when it’s correctly mounted.
User’s Manual | 8MM053

Chapter 2
HARDWARE INSTALLATION
17

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