Vantron VT-SBC-RK35M User manual

Brand
Vantron
Model
VT-SBC-RK35M
Type
User manual
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VT-SBC-RK35M Single Board Computer
User Manual
Version: 1.2
© Vantron Technology, Inc. All rights reserved.
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Revision History
No. Version Description Date
1 V1.0 First release Mar. 23, 2020
2 V1.1 Updated I/O description Nov. 17, 2022
3 V1.2
Updated the manual as per design change
(GEN 3)
Aug. 19, 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 HARDWARE DESCRIPTION .......................................................................................... 10
2.1 Product Layout ................................................................................................................ 11
2.2 Memory and Storage ...................................................................................................... 12
2.2.1 LPDDR4 RAM ................................................................................................................... 12
2.2.2 eMMC Flash .................................................................................................................... 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 J9/J27 DC connectors (1) ................................................................................................. 13
2.4.2 J13/J32 USB 2.0 Host connectors (2) .............................................................................. 14
2.4.3 J18/J19 USB 2.0 Type-A (3) ............................................................................................. 15
2.4.4 J20 Micro USB (4) ............................................................................................................ 15
2.4.5 J15 Ethernet jack (5) ....................................................................................................... 15
2.4.6 J23 HDMI (6) ................................................................................................................... 15
2.4.7 J21 LVDS/eDP (7) ............................................................................................................. 15
2.4.8 J15 Backlight connector (8) ............................................................................................. 19
2.4.9 BZ1 Buzzer (9) ................................................................................................................. 19
2.4.10 J16 RS232 (DB9) (10) ....................................................................................................... 19
2.4.11 J12 RS232/RS485/RS422 connector (11) ........................................................................ 20
2.4.12 S2 Reset key (12) ............................................................................................................. 21
2.4.13 SW2 Power key (13) ........................................................................................................ 21
2.4.14 SW3 Recovery key (14) .................................................................................................... 21
2.4.15 LED indicators (15) .......................................................................................................... 21
2.4.16 J25 Audio connector (16) ................................................................................................ 21
2.4.17 J12 Speaker (17) .............................................................................................................. 22
2.4.18 J2 Mini PCIe (18) ............................................................................................................. 22
2.4.19 J17 Micro SIM slot (19) ................................................................................................... 23
2.4.20 J24 Micro SD slot (20) ..................................................................................................... 23
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2.4.21 B1 RTC battery socket (21) .............................................................................................. 23
2.4.22 J5 Debug port (22) .......................................................................................................... 23
2.4.23 U44 Wi-Fi and Bluetooth (23) ......................................................................................... 24
CHAPTER 3 ANDROID SYSTEM MANUAL ....................................................................................... 25
3.1 Enable Developer Options .............................................................................................. 26
3.2 ADB Setup ....................................................................................................................... 27
3.3 App Installation via ADB Commands ............................................................................... 29
3.4 Firmware Upgrade in Windows Environment ................................................................. 30
3.5 Serial Ports ...................................................................................................................... 32
3.6 LED indicators .................................................................................................................. 32
CHAPTER 4 DISPOSAL AND WARRANTY ........................................................................................ 33
4.1 Disposal ........................................................................................................................... 34
4.2 Warranty ......................................................................................................................... 35
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Foreword
Thank you for purchasing VT-SBC-RK35M 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: (650) 422-3128
Email: sales@vantrontech.com
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-RK35M Single Board Computer is 3.5” in size, powered by Rockchip RK3288
processor that provides optimized performance with lowest 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 with extended temperatures ranging from -20℃ to +60℃,
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
RK3288W
Quad-core Cortex-A17
L
ow power,
high performance
processor
(1.6GHz Max)
ARM Mali-T764 GPU core
I2C0
PMIC
RK808-B
RTC
Audio Codec
ES8316
I2C2
I2S0
Power Rail
eMMC5.1,
32GB
EMM C
1Kbit
EEPROM
DDR3Lx2
512MBx2
DDR3Lx2
512MBx2
DDR-CH0
DDR-CH1
I2C4
SDIO0
AMP
2x15W 1x4x2.54
I2C4
Power CON
DC 12~36V
: IC Chip
: Connector
eDP CON
eDP
Optional LVDS
On one connector
3-AXIS
ACCELEROMETER
US BHOST2
USB 2.0 OTG
DC-DC
5V
UA RT2
SP3222EEY-L
RS232
MIC
2x4x2.0
WiFi & BT5.0
AP6256
802.11
a/b/g/n/ac
UA RT0
Temperature:
Operation:0~+50℃
Storage:-20~+60℃
3W Speaker
Lower Front
Left
3W Speaker
Lower Front
Right
underneath
MINI-PCIE
SPI2
WIFI/BT ANT
WLAN 2.4G : 2412-2462 MHz
WLAN 5.8G : 5150-5250 MHz
/ 572 5-5850 MH z
BT 3 .0 : 240 2-2480 MHz
BT 4 .2 : 240 2-2480 MHz
1GB DDR3L
DDR3-1866
1GB DDR3L
DDR3-1866
SIM card slot
4G module
(Option)
MAIN BOARD
DC-DC
12V
DC 12V
Micro USB
USB HUB
2xUSB2.0
2xUSB2.0
2xUSB2.0
Option
Camera
TP Board
USB5
USB1&USB2
USB6&USB7
USB3&USB4
US BHOST1
USB5
LVDS eDP
ETHERNET
YT8531C
MAC
RJ45
TF card slot
SDMMC0
TF card
(Option)
1x4x2.54
PW M0
Light board
27"
1920x1080
HDMI
RTC:HYM8563
I2C0
3.5mm
HDMI
Recovery
PW RK Y
DC 12V
27" TP
DC 24V
AC
110~240V
BATTERY
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1.4 Specifications
VT-SBC-RK35M
System
CPU
Rockchip RK3288W, Quad-core ARM Cortex-A17, 1.6GHz (Max.)
GPU
Mali-T764, up to 500MHz
Memory
2GB DDR3L
Storage
32GB eMMC 5.1
Communication
Ethernet
1 x RJ45, 1000 Mbps
Wi-Fi & BT
Wi-Fi 802.11 a/b/g/n/ac + BT 5.0
4G
Optional, Expansion by the mini PCIe slot
Media
Display
1 x HDMI 2.0 Type-A
Audio
1 x Audio connector
I/Os
Serial 1 x RS232 (DB9)
1 x RS232/RS485/RS422
1 x RS232 for debugging
USB 4 x USB 2.0 Type-A
3 x USB 2.0 Host connector
1 x Micro USB (OTG supported)
Sensor
1 x 3-axis accelerometer
RTC
Supported
Expansion
Mini PCIe
1 x Mini PCIe for 4G
System Control Button 1 x Power button
1 x Recovery/Volume + button
1 x Reset button
Indicator
2 x Status LED (user-defined)
Power
Input
9V-36V
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, Heat sink
Environment
Condition
Temperature Operating: 0℃~+50℃ (25℃ recommended)
Storage: -20℃~+60℃ (25℃ recommended)
Humidity Operating: RH 20%-80% (Non-condensing)
Storage: RH 10%-90% (Non-condensing)
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1.5 Operating System
VT-SBC-RK35M supports Android and Linux operating systems.
1.6 Mechanical Dimensions
• 146mm x 102mm
1.7 Power Supply and Consumption
VT-SBC-RK35M works between 9V-36V DC power input supplied through a 4-pin DC
connector.
1.8 Environmental Specifications
VT-SBC-RK35M works at a temperature ranging from 0℃ to +50℃ (25℃ recommended)
and at relative humidity of 20%-80% for non-condensing purpose. It is designed to be stored
at a temperature ranging from -20℃ to +60℃ (25℃ recommended) and at relative
humidity of 10%-90% for non-condensing purpose.
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CHAPTER 2 HARDWARE DESCRIPTION
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2.1 Product Layout
The board I/Os will be described in detail in 2.4 Connectors and Jumpers following the
sequencing numbers provided here.
(10) RS232
(14) Recovery
key
(22)
Debug
(4) Micro
USB
(5) ETH
(3) 2 x USB
2.0 Type-A
(6) HDMI
(1) DC In
(2) 2 x USB 2.0
(20) Micro SD
slot
(3) 2 x USB 2.0
Type-A
(16) Audio
(13)
Power key
(15) LED
indicators
(8) LCD
Backlight
(18) Mini PCIe
(7) LVDS
(23) Wi-Fi/BT
(9) Buzzer
(12) Reset key
(19) Micro SIM
slot
(2) USB 2.0
(1) DC out
(21) RTC
battery
(11) RS232/
RS485/RS422
(17) Speaker
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2.2 Memory and Storage
2.2.1 LPDDR4 RAM
VT-SBC-RK35M implements a 2GB DDR3L (1866MHz) by default.
2.2.2 eMMC Flash
VT-SBC-RK35M offers an eMMC 5.1 flash of 32GB used as the default boot and storage
device.
2.2.3 Micro SD Slot
VT-SBC-RK35M also implements a Micro SD slot for expansion of the storage capacity. It
does not support SD card hot plugging.
2.2.4 EEPROM
VT-SBC-RK35M 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 J9/J27 DC connectors (1)
VT-SBC-RK35M implements two DC connectors, J19 is a DC in connector that powers up
the Board while J27 is a DC out connector that supplies power to external devices once the
Board is powered up.
J9 Specification: 1 x 4 x 2.5mm, adapter recommended: 12V/4A or 24V/2A
Pinout description of J9:
Pin Name Type Description
1
GND
P
Ground
2
DC_IN
P
12V/24V power supply
3
DC_IN
P
12V/24V power supply
4
GND
P
Ground
Pinout description of J27:
Pin Name Type Description
1 5V_DC out P
5V power supply
2
GND
P
Ground
3 12V_DC out
P
12V power supply
4 GND
P
Ground
1
J9
1
J27
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2.4.2 J13/J32 USB 2.0 Host connectors (2)
VT-SBC-RK35M implements three USB 2.0 host connectors, with two connectors integrated
on J13 (2 x 4 x 2.0mm) and one located on the back of the Board labeled as J32 (1 x 4 x
1.25mm). The connectors can be used for connecting USB devices such as keyboards, mice,
storage devices, cameras, and other peripherals.
The two connectors on J13 share the same power supply with a maximum output of
5V/1.1A. The maximum output of J32 is 5V/1.1A.
Pinout description of J13:
Pin
Name
Type
Description
1
USB_PWR_2.0
P
5V power output, current limit 1.1A
3
USB1_D-
USB host data -
5
USB1_D+
USB host data +
7
GND
P
Ground
Pin
Name
Type
Description
2
USB_PWR_2.0
P
5V power output, current limit 1.1A
4
USB2_D-
USB host data -
6
USB2_D+
USB host data +
8
GND
P
Ground
Pinout description of J32:
Pin
Name
Type
Description
1
VCC_USB_H1 PO
5V power output, current limit 1.1A
2
USBHOST1_DM
USB host data -
3
USBHOST1_DP
USB host data +
4
GND
P
Ground
Pin
1
J13
Pin 2
Pin 1
J32
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2.4.3 J18/J19 USB 2.0 Type-A (3)
VT-SBC-RK35M features two sets of stacked USB 2.0 Type-A ports, which provide a
convenient way to connect peripherals.
The maximum output of each port is 5V/1.1A.
2.4.4 J20 Micro USB (4)
VT-SBC-RK35M offers a Micro USB port that can be used for charging and data transfer. The
port supports USB 2.0 OTG functionality to allow the Board to act as both a host and a
peripheral.
The maximum output of the Micro USB port is 5V/0.5A.
2.4.5 J15 Ethernet jack (5)
VT-SBC-RK35M implements an 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.
2.4.6 J23 HDMI (6)
VT-SBC-RK35M implements an HDMI Type-A interface that conforms to HDMI 2.0 standard,
supporting a resolution of up to 4K x 2K @60Hz. The pinout of this interface is in line with
that of a standard HDMI 2.0 Type-A interface.
2.4.7 J21 LVDS/eDP (7)
VT-SBC-RK35M implements a dual-channel LVDS connector for connection of a high-
resolution display. It supports up to 1920 x 1080 @60Hz of resolution. This connector is
multiplexed as a 4-lane eDP connector that supports up to 4K x 2K @30 fps of resolution.
Specification: 1 x 40 x 0.5mm. To ensure the stability of the signal transmission, it is
recommended that shielded twisted pair is used.
Pin 1
Pin 40
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Pinout description of LVDS:
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
NC
5
LVDS_A_D0-
O
Channel A LVDS data lane 0 differential output -
6
LVDS_A_D0+
O
Channel A LVDS data lane 0 differential output +
7
GND
P
Ground
8
LVDS_A_D1-
O
Channel A LVDS data lane 1 differential output -
9
LVDS_A_D1+
O
Channel A LVDS data lane 1 differential output +
10
GND
P
Ground
11
LVDS_A_D2-
O
Channel A LVDS data lane 2 differential output -
12
LVDS_A_D2+
O
Channel A LVDS data lane 2 differential output +
13
GND
P
Ground
14
LVDS_A_CLK-
O
Channel A LVDS clock differential output -
15
LVDS_A_CLK+
O
Channel A LVDS clock differential output +
16
GND
P
Ground
17
LVDS_A_D3-
O
Channel A LVDS data lane 3 differential output -
18
LVDS_A_D3+
O
Channel A LVDS data lane 3 differential output +
19
NC
NC
20
LVDS_B_D0-
O
Channel B LVDS data lane 0 differential output -
21
LVDS_B_D0+
O
Channel B LVDS data lane 0 differential output +
22
GND
P
Ground
23
LVDS_B_D1-
O
Channel B LVDS data lane 1 differential output -
24
LVDS_B_D1+
O
Channel B LVDS data lane 1 differential output +
25
GND
P
Ground
26
LVDS_B_D2-
O
Channel B LVDS data lane 2 differential output -
27
LVDS_B_D2+
O
Channel B LVDS data lane 2 differential output +
28
GND
P
Ground
29
LVDS_B_CLK-
O
Channel B LVDS clock differential output -
30
LVDS_B_CLK+
O
Channel B LVDS clock differential output +
31
GND
P
Ground
32
LVDS_B_D3-
O
Channel B LVDS data lane 3 differential output -
33
LVDS_B_D3+
O
Channel B LVDS data lane 3 differential output +
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Vantron VT-SBC-RK35M User manual

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