Vantron VT-SBC-3399 User manual

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VT-SBC-3399 Single Board Computer
User Manual
Version: 1.0
© Vantron Technology, Ltd. All rights reserved.

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Revision History
No. Version Description Date
1 1.0 First release Mar. 1, 2023

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Table of Contents
Foreword .......................................................................................................................................... 1
CHAPTER 1 INTRODUCTION.......................................................................................................... 5
1.1 Product Overview .............................................................................................................6
1.2 Terminology/Acronym.......................................................................................................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 Board Layout ...................................................................................................................11
2.2 Memory and Storage ......................................................................................................12
2.2.3 Micro SD Slot...................................................................................................................12
2.2.4 EEPROM .......................................................................................................................... 12
2.3 Identification of Pin 1......................................................................................................12
2.4 Connectors and Jumpers.................................................................................................13
2.4.1 J1 Power jack (1) ............................................................................................................. 13
2.4.2 J9 Ethernet jack (2) .........................................................................................................13
2.4.3 J16 HDMI (3) ...................................................................................................................13
2.4.4 J5 LVDS/eDP (4)...............................................................................................................13
2.4.5 J15 Backlight connector (5).............................................................................................15
2.4.6 J16 MIPI DSI (6) ............................................................................................................... 15
2.4.7 J21 RS232 & RS485 (7) ....................................................................................................17
2.4.8 J14 I2C connector (8) ....................................................................................................... 18
2.4.9 U2 USB 2.0 Type-A & USB 3.0 Type-A (9)........................................................................18
2.4.10 J13/J17/J18 USB 2.0 Host connectors (10)......................................................................18
2.4.11 J19 USB 2.0 Type-C (11) .................................................................................................. 19
2.4.12 J12 Speaker connector (12).............................................................................................20
2.4.13 J11 Audio jack (13) ..........................................................................................................20
2.4.14 J3 Mini PCIe (14) ............................................................................................................. 20
2.4.15 U43 Wi-Fi and Bluetooth (15) .........................................................................................20
2.4.16 J20 Fan connector (16)....................................................................................................20

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2.4.17 J4 Debug port (17) .......................................................................................................... 21
2.4.18 SW 1 Recovery button (18) .............................................................................................22
2.4.19 SW2 Power button (19)................................................................................................... 22
2.4.20 SW3 Reset button (20)....................................................................................................22
2.4.21 J8 MIPI CSI (21) ...............................................................................................................22
2.4.22 J15 Micro SD slot (22) .....................................................................................................23
2.4.23 J2 SIM slot (23)................................................................................................................ 23
2.5 Boot Mode ...................................................................................................................... 24
CHAPTER 3 SOFTWARE DESCRIPTION .........................................................................................25
3.1 Interface Definition .........................................................................................................26
3.1.1 Serial port........................................................................................................................ 26
3.1.1 USB interface................................................................................................................... 26
3.2 Ethernet Jack................................................................................................................... 27
3.3 Wi-Fi................................................................................................................................ 27
3.4 Cellular Network .............................................................................................................29
3.5 RTC .................................................................................................................................. 32
3.6 Watchdog Timer.............................................................................................................. 32
3.7 Fan Connector.................................................................................................................33
CHAPTER 4 DEBIAN SYSTEM UPGRADE .......................................................................................34
4.1 Firmware Upgrade in Windows Environment.................................................................35
4.1.1 Prerequisites ...................................................................................................................35
4.1.2 System flashing ............................................................................................................... 35
CHAPTER 5 DISPOSAL AND WARRANTY ..................................................................................... 38
5.1 Disposal........................................................................................................................... 39
5.2 Warranty .........................................................................................................................40

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Foreword
Thank you for purchasing VT-SBC-3399 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.
Vantron Technology, Inc.
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.
There is a coin cell battery for powering the RTC. Therefore, 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
VT-SBC-3399 single board computer is based on Rockchip RK3399 processor that integrates
dual-core Cortex-A72 and quad-core Cortex-A53 to provide optimized performance at lower
power consumption. It supports high-quality video encoding and decoding to maximize
display performance. With both wired and wireless network accesses available, user data is
kept safe and secure in transmission. Meanwhile, the single board computer provides a
complete set of on-board interfaces and customer expansion options to meet different
application scenarios including smart retail, self-service terminals, industrial automation,
intelligent medical health, and digital media.
Featuring high flexibility and high performance, the single board computer could work
under extreme environments, making it a reliable industrial IoT solution.
1.2 Terminology/Acronym
Terminology/Acronym Description
NC No connection
VCC
Voltage common collector
GND
Ground
P(+)
Positive of difference signal
N (-)
Negative of difference signal
/
Active low signal
I
Input
O
Output
I/O
Input/output
P
Power or ground
A
Analog
OD
Open drain
CMOS
3.3V CMOS
LVCMOS
Low voltage CMOS
LVTTL
Low voltage TTL
CK/CLK
Clock
PWM
Pulse-width modulation
MISO
Master input slave output
MOSI
Master output slave input

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1.3 Block Diagram
Rockchip,
RK3399
Dual-core ARM
Cortex-A72
(2.0GHz)MPCore
processor + Quad-
core ARM Cortex-
A53(1.4GHz)MPCore
Android 10
LPDDR4
64bit
WIFI & Bluetooth
802.11 a/b/g/n/ac
Module AP6256
SDIO0
UART0
I2S1
eMMC5.1
I2C2
PCIe2.0
1Lane
GMAC
I2S0
HDMI 2.0
TYPEC0_USB30
12V
For Minisys
5V/6A
5V/6A
MIPI_RX0
Type-C Full Function
SDMMC0
Debug UART2
ADC_IN1
Power ON
Ethernet PHY
YT8531C MDI
eDP
PWM0
Power Jack
5.5x2mm/
1x4x2.54mm
Type-C
USB3.0
HDMI Type-A
USB3.0 +
USB2.0
RJ45
3.5mm Debug
5V
Recovery
button
SMA
SMA
SMA
SMA
5V
Backlight
1xButton
Micro-SD
Card solt
RJ45
With Transformer
1000Mbps
1x6x2mm
1x40x0.5mm
eDP to 2xLVDS
PTN3460I/F2 2xLVDS
MIPI_TX01x31x0.3mm
Audio Codec
ES8316
I2C1
MIC
1x4x2mm
Line out
Type-A
HDMI
HDMI
Type-C
USB3.0
ET7301BY
I2C4
TYPEC0_USB20
TYPEC_CC
1xButton
DCDC 5V
SY8386ARHC Power Jack
5.5x2mm
1x4x2.54m
m
DCDC 5V
SY8386ARHC
DCDC 3.3V
SY8104IADC
3.3V/3A
PMIC&DCDC
RK808-
D+DCDC
EEPROM
BL24C02P
eMMC
32GB
LPDDR4
2x2GB
1x31x0.3mm
1 x 12 x
1.25mm
MINI-PCIe
VT-SBC-RK3399-GEN3
Temperature:0~+60℃
OS: Android 10
: IC Chip
: Connector
PWM1
FAN
1x4x2.54mm
I2C0
I2C2
I2C1
I2C3HDMI_CEC
RS232
Transceivers
SP3232E UART4
3.5mm
USB UART
CH342F
USB
HOST0
RS232
Transceivers
SP3232E
UARTB
UARTA
RS485
BL3085(I37)
SMA
USB2.0 HUB
GL852G-
OHY60
USB
HOST1
1xUSB3.0+
1xUSB2.0
1x4x2.54mm
1x4x2.54mm
1x4x2.54mm
Micro-SIM slot
WatchDog
SGM820B
RTC
HYM8563 I2C0
BATTERY
TPM
ATECC608B I2C2
Amplifier 2*3W
TPA3110
Line out
3.5mm
I2C4
TP
1x6x2.54mm
Accelerometer
KXTJ3-1057 I2C1
TYPEC1_USB30 TYPEC1_USB20
BUZZER
3.5mm
headphone 1xButton
RESET

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1.4 Specifications
VT-SBC-3399
System
CPU
Rockchip RK3399, dual-core ARM Cortex-A72 1.8GHz and quad-core
ARM Cortex-A53 1.4GHz
GPU
Mali-T860MP4
Memory
4GB LPDDR4 (Optional: 2GB)
Storage
32GB eMMC
2Kb EEPROM
1 x Micro SD slot
Communication
Ethernet
1 x RJ45, 10/100/1000 Mbps
Wi-Fi & BT
Wi-Fi 802.11 a/b/g/n/ac + BT 5.0
4G LTE
Supported (Expansion by a mini PCIe slot)
Media
Display
1 x HDMI, up to 4K @60Hz
1 x MIPI DSI, up to 1920 x 1080 @60Hz
1 x Dual LVDS, 1920 x 1080 @60Hz / 1 x 4-channel eDP, 2560 x 1600
@60Hz
Camera
1 x 4-Lane MIPI CSI, 5 MP, OV5640
Audio
1 x 3.5mm Combo audio jack
1x Speaker connector
I/Os
Serial
1 x RS485
2 x RS232
1 x RS232 for debugging
USB
1 x USB 3.0 Host, Type-A
4 x USB 2.0 Host, Type-A
1 x USB 3.0 Type-C (OTG supported)
Fan
1 x Fan connector
I2C
1 x I2C for TP
Buzzer
Supported
Debug
1 x Debug (3.5mm)
TPM
1 x TPM
RTC
Supported
WDT
Supported
Expansion
Mini PCIe
1 x Mini PCIe for 4G LTE
System Control Button
1 x Power button
1 x Reset button
1 x Recovery button
LED indicator
1 x Power indicator
Power
Input
12V/5A DC
1 x Power jack
Software
Operating system
Android, Linux
SDK
Available
Device management
platform
BlueSphere MDM (Android device only)
OTA tool
BlueSphere OTA
Mechanical
Dimensions
146mm x 102mm
Cooling mode
Fanless
Environment
Condition
Temperature
Operating: 0℃~+60℃
Storage: -40℃~+85℃
Humidity
RH 5%-95% (Non-condensing)

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1.5 Operating System
VT-SBC-3399 supports Android and Debian operating systems.
1.6 Mechanical Dimensions
•146mm x 102mm
1.7 Power Supply and Consumption
VT-SBC-3399 works with 12V/5A DC power input supplied by a DC power jack.
1.8 Environmental Specifications
VT-SBC-3399 works at a temperature ranging from 0℃to +60℃and at relative humidity
of 5%-95% for non-condensing purpose. It is designed to be stored at a temperature ranging
from -40℃to +85℃.

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CHAPTER 2
CONNECTOR DESCRIPTION

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2.1 Board Layout
(15)
Wi-Fi & BT
(14) Mini PCIe
(7) RS485 + RS232
(8) I2C for TP
(5) Backlight
connector
(4) LVDS/eDP
(18) Recovery button
(17)
Debug
(2) ETH
(9) USB 2.0
& USB 3.0
(11) USB
Type-C
(3) HDMI
(1) Power in
(13) Audio
(12) SPK
(16) Fan
(6)
MIPI DSI
(21) MIPI CSI
(23) Micro SIM
(22) Micro SD
(19) Power button
(20) Reset button
(10) 3 x USB 2.0
connector

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2.2 Memory and Storage
2.2.1 LPDDR4 RAM
VT-SBC-3399 implements a 4GB LPDDR4 by default. Users also have the option of 2GB
LPDDR4.
2.2.2 eMMC Flash
VT-SBC-3399 offers an eMMC 5.1 flash of 32GB, used as the default boot and storage
device.
2.2.3 Micro SD Slot
VT-SBC-3399 also implements a Micro SD slot for expansion of RAM/storage capacity. It
supports hot plug of the Micro SD card.
2.2.4 EEPROM
VT-SBC-3399 provides a 2Kb EEPROM to store hardware configuration information.
2.3 Identification of Pin 1
Unless otherwise stated, pin 1 of a connector is seated on a square pad that is different
from the round pads used for other pins. Sometimes, pin 1 is next to a trigonal mark on
the board. When there are two rows of pins on a connector, the row with pin 1 is
composed of odd numbers and the other is composed of even numbers.
Usually, there will be numbers or marks next to the pins of a connector on the board to
indicate the pinouts.

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2.4 Connectors and Jumpers
This section is going to brief the connectors/jumpers on the Board with corresponsive
pinout description.
2.4.1 J1 Power jack (1)
VT-SBC-3399 implements a power jack.
Specification: HITCONN: DC-044A-2.0-PU, 5.5 x 2.1mm, adapter recommended: 12/3A
2.4.2 J9 Ethernet jack (2)
VT-SBC-3399 implements one RJ45 Ethernet jack, supporting up to 1000Mbps of data
transmission rate.
There are two link/activity LED indicators on the Ethernet jack. A solid green indicator
means the network is functioning properly and a blinking amber indicator means there is
data transmission. Otherwise, there is a fault.
2.4.3 J16 HDMI (3)
VT-SBC-3399 implements an HDMI Type-A interface that conforms to HDMI 2.0 standard,
supporting resolution of up to 4K @60Hz. The pinout of this interface is in line with that of
a standard HDMI 2.0 Type-A interface.
2.4.4 J5 LVDS/eDP (4)
VT-SBC-3399 implements a dual-lane LVDS connector for connection of a high-resolution
display. It supports up to 1920 x 1080 @60Hz of resolution. Since the LVDS signal is
converted from eDP signal, this connector is multiplexed as a 4-lane eDP connector that
supports up to 2560 x 1600 @60Hz of resolution.
Specification: IPEX: 20455-040E66, 1 x 40, 0.5mm
External connector recommended: IPEX: 20454-040T
To ensure the stability of the signal transmission, it is recommended that shielded twisted
pair is used.
1
40

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Pinout description:
Pin Name Type Description
1
LCD_VDD
P
5V power supply (def.), 3.3V (opt.)
2
LCD_VDD
P
5V power supply (def.), 3.3V (opt.)
3
LCD_VDD
P
5V power supply (def.), 3.3V (opt.)
4
NC
5
LVDS_A_D0-
O
Channel A differential data lane output 0 -
6
LVDS_A_D0+
O
Channel A differential data lane output 0 +
7
GND
P
Ground
8
LVDS_A_D1-
O
Channel A differential data lane output 1 -
9
LVDS_A_D1+
O
Channel A differential data lane output 1 +
10
GND
P
Ground
11
LVDS_A_D2-
O
Channel A differential data lane output 2 -
12
LVDS_A_D2+
O
Channel A differential data lane output 2 +
13
GND
P
Ground
14
LVDS_A_CLK-
O
Channel A differential clock output -
15
LVDS_A_CLK+
O
Channel A differential clock output +
16
GND
P
Ground
17
LVDS_A_D3-
O
Channel A differential data lane output 3 -
18
LVDS_A_D3+
O
Channel A differential data lane output 3 +
19
NC
20
LVDS_B_D0-
O
Channel B differential data lane output 0 -
21
LVDS_B_D0+
O
Channel B differential data lane output 0 +
22
GND
P
Ground
23
LVDS_B_D1-
O
Channel B differential data lane output 1 -
24
LVDS_B_D1+
O
Channel B differential data lane output 1 +
25
GND
P
Ground
26
LVDS_B_D2-
O
Channel B differential data lane output 2 -
27
LVDS_B_D2+
O
Channel B differential data lane output 2 +
28
GND
P
Ground
29
LVDS_B_CLK-
O
Channel B differential clock output -
30
LVDS_B_CLK+
O
Channel B differential clock output +
31
GND
P
Ground
32
LVDS_B_D3-
O
Channel B differential data output lane 3 -
33
LVDS_B_D3+
O
Channel B differential data output lane 3 +

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34
PANEL_BKLTEN
O
LCD backlight output, 5V level (3.3V opt.)
35 PANEL_BKLTCTL O LCD backlight brightness output, 5V level (3.3V opt.)
36
NC
37
NC
38
LCD_BLK
P
12V backlight power supply
39
LCD_BLK
P
12V backlight power supply
40
LCD_BLK
P
12V backlight power supply
2.4.5 J15 Backlight connector (5)
VT-SBC-3399 offers a backlight connector that is designed to connect a backlight to
increase readability of the LCD in low light conditions.
Specification: JST: B6B-PH-K-S (LF) (SN), 1 x 6, 2.0mm, external connector recommended:
JST: PHR-6.
Pinout description:
Pin Name Type Description
1 LCD_BLK P
12V backlight power supply
2
LCD_BLK
P
12V backlight power supply
3 PANEL_BKLTEN
O
LCD backlight output, 5V level (3.3V opt.)
4 PANEL_BKLTCTL
O
LCD backlight brightness output, 5V level (3.3V opt.)
5
GND
P
Ground
6
GND
P
Ground
2.4.6 J16 MIPI DSI (6)
VT-SBC-3399 implements a MIPI DSI connector supporting up to 1920 x 1080 @60Hz of
resolution.
Specification: LZR: FPC031003-31LG, 1 x 31, 0.3mm
1
1

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Pinout description:
Pin Name Type Description
1
VCC_LED0_A_MIPI
P
LED anode
2
VCC_LED0_A_MIPI
P
LED anode
3
VCC_LED0_A_MIPI
P
LED anode
4
NC
5
VCC_LED0_K_MIPI
P
LED cathode
6
VCC_LED0_K_MIPI
P
LED cathode
7
VCC_LED0_K_MIPI
P
LED cathode
8
VCC_LED0_K_MIPI
P
LED cathode
9
GND
P
Ground
10
GND
P
Ground
11
MIPI_TX0_D2P
O
MIPI differential TX data lane 2 +
12
MIPI_TX0_D2N
O
MIPI differential TX data lane 2 -
13
GND
P
Ground
14
MIPI_TX0_D1P
O
MIPI differential TX data lane 1 +
15
MIPI_TX0_D1N
O
MIPI differential TX data lane 1 -
16
GND
P
Ground
17
MIPI_TX0_CLKP
O
MIPI differential clock +
18
MIPI_TX0_CLKN
I/O
MIPI differential clock 2 -
19
GND
P
Ground
20
MIPI_TX0_D0P
O
MIPI differential TX data lane 0 +
21
MIPI_TX0_D0N
O
MIPI differential TX data lane 0 -
22
GND
P
Ground
23
MIPI_TX0_D3P
O
MIPI differential TX data lane 3 +
24
MIPI_TX0_D3N
O
MIPI differential TX data lane 3 -
25
GND
P
Ground
26
NC
27
LCM_RST
O
MIPI LCD reset signal, 1.8V
28
NC
29
VCC1V8_LCD
P
1.8V power output
30
VCC3V3_S0
P
3.3V power output
31
VCC3V3_S0
P
3.3V power output