Vantron VT-SBC-RK3568-NT User manual

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VT-SBC-RK3568-NT
Single Board Computer
User Manual
Version: 1.0
© Vantron Technology, Inc. All rights reserved.

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Revision History
No. Version Description Date
1 V1.0 First release Feb. 27, 2023

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Table of Contents
Foreword................................................................................................................................................................1
CHAPTER 1 INTRODUCTION...........................................................................................................................5
1.1 Product Overview ..............................................................................................................................6
1.2 Terminology.........................................................................................................................................6
1.3 Block Diagram .....................................................................................................................................7
1.4 Specifications ......................................................................................................................................8
1.5 Operating system ...............................................................................................................................9
1.6 Mechanical Dimensions....................................................................................................................9
1.7 Power Supply and Consumption ....................................................................................................9
1.8 Environmental Specifications..........................................................................................................9
CHAPTER 2 CONNECTOR DESCRIPTION................................................................................................... 10
2.1 Product Layout................................................................................................................................. 11
2.2 Memory and Storage ..................................................................................................................... 11
2.2.1 LPDDR4 RAM.................................................................................................................................... 11
2.2.2 eMMC Flash...................................................................................................................................... 11
2.2.3 Micro SD Slot.................................................................................................................................... 11
2.2.4 EEPROM ............................................................................................................................................ 11
2.3 Identification of Pin 1..................................................................................................................... 12
2.4 Connector ......................................................................................................................................... 12
2.4.1 J8 USB 2.0 Type-C (1)...................................................................................................................... 12
2.4.2 J2 USB 2.0 Type-A (2) ..................................................................................................................... 12
2.4.3 J12 USB 3.0 Type-A (3)................................................................................................................... 12
2.4.4 J6 Ethernet Jack (4)......................................................................................................................... 12
2.4.5 J4 MIPI DSI (5) .................................................................................................................................. 13
2.4.6 J10/J11 Micro HDMI (6)................................................................................................................. 14
2.4.7 J5 MIPI CSI (7) .................................................................................................................................. 14
2.4.8 J7 Audio jack (8) .............................................................................................................................. 16
2.4.9 J1 GPIO (9) ........................................................................................................................................ 16
2.4.10 U3 Wi-Fi and Bluetooth (3)........................................................................................................... 17
2.4.11 Micro SD slot (11)............................................................................................................................ 17
2.4.12 Debugging holes (12) ..................................................................................................................... 17
2.5 Boot Mode........................................................................................................................................ 18
CHAPTER 3 SOFTWARE DESCRIPTION...................................................................................................... 19
3.1 Interface Definition......................................................................................................................... 20
3.1.1 UART................................................................................................................................................... 20
3.1.2 CAN..................................................................................................................................................... 21
3.1.3 GPIO ................................................................................................................................................... 21
3.1.4 Ethernet............................................................................................................................................. 22
3.1.5 Wi-Fi ................................................................................................................................................... 22
3.1.6 USB ..................................................................................................................................................... 23
CHAPTER 4 DEBIAN SYSTEM UPGRADE ................................................................................................... 24
4.1 Firmware Upgrade in Windows Environment.......................................................................... 25

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4.1.1 Prerequisites .................................................................................................................................... 25
4.1.2 System flashing................................................................................................................................ 25
4.2 Firmware Upgrade in Ubuntu Environment ............................................................................. 27
4.2.1 Prerequisites .................................................................................................................................... 27
4.2.2 System flashing................................................................................................................................ 28
CHAPTER 5 DISPOSAL AND WARRANTY .................................................................................................. 29
5.1 Disposal ............................................................................................................................................. 30
5.2 Warranty ........................................................................................................................................... 31

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Foreword
Thank you for purchasing VT-SBC-RK3568-NT single board computer (“the Board” or “the
Product”). This manual intends to provide guidance and assistance necessary on setting up,
operating or maintaining the Product. Please read this manual and make sure you understand
the functionality of the Product before putting it into use.
Intended Users
This manual is intended for:
•Embedded software developer
•Custom development software engineer
•Other technically qualified personnel
Copyright
Vantron Technology, Inc. (“Vantron”) reserves all rights of this manual, including the right to
change the content, form, product features, and specifications contained herein at any time
without prior notice. An up-to-date version of this manual is available at www.vantrontech.com.
The trademarks in this manual, registered or not, are properties of their respective owners.
Under no circumstances shall any part of this user manual be copied, reproduced, translated,
or sold. This manual is not intended to be altered or used for other purposes unless otherwise
permitted in writing by Vantron. Vantron reserves the right of all publicly released copies of
this manual.
Disclaimer
While all information contained herein has been carefully checked to assure its accuracy in
technical details and typography, Vantron does not assume any responsibility resulting from
any error or features of this manual, nor from improper uses of this manual or the software.
It is our practice to change part numbers when published ratings or features are changed, or
when significant construction changes are made. However, some specifications of the Product
may be changed without notice.

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Technical Support and Assistance
Should you have any question about the Product that is not covered in this manual, contact
your sales representative for solution. Please include the following information in your
question:
•Product name and PO number;
•Complete description of the problem;
•Error message you received, if any.
Address: 48434 Milmont Drive, Fremont, CA 94538
Tel: [phone]
Email: [e-mail]
Symbology
This manual uses the following signs to prompt users to pay special attention to relevant
information.
Caution for latent damage to system or harm to personnel
Attention to important information or regulations

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General Safety Instructions
The Product is supposed be installed by knowledgeable, skilled persons familiar with local
and/or international electrical codes and regulations. For your safety and prevention of
damage to the Product, please read and observe carefully the following safety instructions
prior to installation and operation. Keep this manual well for future reference.
•Do not disassemble or otherwise modify the Product. Such action may cause heat
generation, ignition, electronic shock, or other damages including human injury, and may
void your warranty.
•Keep the Product away from heat source, such as heater, heat dissipater, or engine casing.
•Do not insert foreign materials into any opening of the Product as it may cause the Product
to malfunction or burn out.
•To ensure proper functioning and prevent overheating of the Product, do not cover or
block the ventilation holes of the Product.
•Follow the installation instructions with the installation tools provided or recommended.
•The use or placement of the operation tools shall comply with the code of practice of such
tools to avoid short circuit of the Product.
•Cut off the power before inspection of the Product to avoid human injury or product
damage.

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Precautions for Power Cables and Accessories
Use proper power source only. Make sure the supply voltage falls within the specified
range.
Place the cables properly at places without extrusion hazards.
Please avoid short circuit of the battery during transportation or operation at high
temperatures.
Cleaning instructions:
•Power off before cleaning the Product
•Do not use spray detergent
•Clean with a damp cloth
•Do not try to clean exposed electronic components unless with a dust collector
Power off and contact Vantron technical support engineer in case of the following faults:
•The Product is damaged
•The temperature is excessively high
•Fault is still not solved after troubleshooting according to this manual
Do not use in combustible and explosive environment:
•Keep away from combustible and explosive environment
•Keep away from all energized circuits
•Unauthorized removal of the enclosure from the device is not allowed
•Do not change components unless the power cable is unplugged
•In some cases, the device may still have residual voltage even if the power cable is
unplugged. Therefore, it is a must to remove and fully discharge the device before
replacement of the components.

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CHAPTER 1
INTRODUCTION

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1.1 Product Overview
Vantron Technology recently unveiled NiceLit series to its embedded board family that
features an efficient AI processing unit to provide quality computing power for lightweight
AIoT applications.
NiceLit series is powered by Rockchip RK3568/RK3566 processor that integrates quad-core
ARM Cortex-A55 CPU and Mali G52 GPU to provide optimized performance at lower power
consumption. Compact as it is, yet this series provide a range of customer expansion
options and supports multiple operating systems to meet the requirements of different
application purposes.
VT-SBC-RK3568-NT offers two HDMI ports that support extend mode with resolution up to
4K + 1080P to offer optimized display performance.
NiceLit series targets at industrial customization markets of IoT endpoints and software
platforms such as industrial panel PC, trail transit, banking, automotive control center, etc.
1.2 Terminology
Terminology Description
NC No connection
VCC
Voltage common collector
GND
Ground
/
Active low signal
+
Positive of difference signal
-
Negative of difference signal
I
Input
O
Output
I/O
Input/output
P
Power or ground
A
Analog
OD
Open drain
CMOS
3.3 V CMOS
LVCMOS
Low Voltage CMOS
LVTTL
Low Voltage TTL
CK/CLK
Clock
PWM
Pulse-width modulation
MISO
Master in slave out
MOSI
Master out slave in
WP
Write protection