Smart Device Technology IOT-3288A IoT3288A main board User Manual IoT 3288A V1 0
Shenzhen Smart Device Technology Co., LTD IoT3288A main board IoT 3288A V1 0
User Manual
Shenzhen Smart Device Technology Co.,Ltd
Web: www.smdt.com.cn Tel: 0755-61662980 Fax: 0755-26992201
IoT-3288A
User Manual
Doc. Modification History
Version Description Date
V1.0 Creation 2017-03-06
V1.1 Modify 2017-05-03
V1.2 Modifiy 2017-07-31
V1.3 Modify 2017-11-27
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Catalogue
Chapter 1. Production General Description ..................................................................... 3
1.1 Scope of Application ....................................................................................... 3
1.2 General Description ........................................................................................ 3
1.3 Features ......................................................................................................... 3
1.4 Appearance and Interface Sketch................................................................... 4
Chapter 2. Basic Function List .......................................................................................... 6
Chapter 3.PCB Measurement And Interface Layout ........................................................ 8
3.1 PCB Measurement Chart ................................................................................ 8
3.2 Interface Parameter Definition .......................................................................10
Chapter 4. Electric Performance ......................................................................................22
Chapter 5 Assembly Using Notice ...................................................................................24
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Chapter 1. Production General Description
1.1 Scope of Application
IoT-3288A v1.3 board integrated multimedia decoder, LCD driver,
Ethernet, HDMI, WiFi, Bluetooth in one. Support most of current
popular video and image format decoding, Support HDMI video output,
input. Dual 8/10 bit LVDS interface and EDP interface, SIM card SD
card and lock, More stable, very suitable for HD network player, video
advertisement machine and picture frame advertisement machine.
Belongs to commercial display smart mainboard, generally applicable
to:advertising machine, digital signage, smart self-service terminal,
smart retail terminal, O2O smart device, industrial control host, robot
devices etc.
1.2 General Description
IoT-3288A uses Rockchip RK3288 Cortex-A17 quad core 64bit CPU,
carries Android 5.1.1 system, main frequency 1.8GHz, outstanding
properties. Using Mali-T764 GPU, support 4K, H.265 hard decoding,it
is super top-ranking not only on game, benchmarking but aslo
decoding. it is the best choice for your man-machine interactive,
industrial projects.
1.3 Features
*High integration, Integrated USB/LVDS/eDP/Ethernet/HDMI/WIFI/
Bluetooth in one, Simplified machine design , Pluggable SD card .
*Rich extension interface: 7 USB interfaces( 5 insert pin, 2 standard
USB interface), 4 extensible serial port, GPIO/ADC interface, it can
meet the requirements of various peripherals in the market.
*High definition. Maximum support 3840x2160 decoding and all kinds
of LCD screen with LVDS/eDP interface.
*Complete function. Support screen playback, video screen, rolling
caption, time switch, USB data import and other functions.
*Convenient management. Humanized playlist making software, easy
advertising management and control. Play daily record, easy to
understand playback.
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1.4 Appearance and Interface Sketch
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Chapter 2. Basic Function List
Main Hardware Index
CPU RK3288, quad core，main frequency 1.8GHz
Internal Memory 2/4G(optional)
Built-in Memory EMMC 8/16/32G(optional)
Built-in ROM 2KB EEPROM
Decoding Definition maximum support 3840*2160
Operating System Android 5.X above
Play Mode Support cycle, timing, and other modes of play
Network Support 3GEthernet、support WiFi/bluetooth 4.0
Video Playing Support wmv、avi、flv、rm、rmvb、mpeg 、ts、mp4, etc
Image Format Support BMP、JPEG、PNG、GIF
USB2.0 Interface 2 USB HOST、5个USB Socket
Serial Port 4 serial port sockets
WIFI、BT Built-in WIFI，BT4.0（optional）
Ethernet 1，10M/100M self-adapting Ethernet
SD Card Support SD Card
LVDS Output 1 single/double channel，can drive 50/60Hz LCD panel
directly
eDP Output Can drive many kinds of resolution LCD panel with eDP
interface
HDMI Output 1, Support 1080P@120Hz，4kx2k@60Hz output
Audio And Video
Output
Support left and right channels output, built-in dual
4R/20W,8R/10W amplifier
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RTC Real Time
Clock Support
Timing Switch Support
System Upgrade Support local SD,USB upgrade
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Chapter 3.PCB Measurement And Interface
Layout
3.1 PCB Measurement Chart
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PCB：6 layers
Measurement：146mm*100mm, thickness1.6mm
Screw hole specification：∮3.2mm x 4
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3.2 Interface Parameter Definition
◆Power Input Port
Use 12V DC power supply，only allowed from the DC power supply and power socket to power the
board system ，the plug of the power adapter DC IN specifications is D6.0,d2.0.
（outerΦ4.4mm,PINΦ1.65mm),without in a peripheral empty load cases,12V dc power supply to
support the minimum current 600 mA.
Power socket interfaces are defined as follows，can use power panel power supply，the socket
specifications is 6 pin 2.54 mm spacing.
NO. Definition Property Description
1 VCC input 12V input
2 VCC input 12V input
3 GND ground
electrode
ground electrode
4 GND ground
electrode
ground electrode
5 VCC-5V input standby 5V input
6 STB output standby signal output
Standby 5V input & standby signal output is used as standby power supply board，if want to do low
standby power consumption，the standby 5V input & standby signal output signal respectively
connected with the 5 v power supply board STB and PS_ON（the description of the two signals might
be different from different suppliers of power supply board，Please refer to the actual）， If you don't
need to do low standby power consumption,then no need to connect the 2 pins.
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◆ BAT1 RTC Battery Port
Standard 2032 port，used to install the clock battery，supply power to the system clock when power
outages.
NO. Definition Property Description
1 RTC input 3V input
2 GND ground
electrode
ground electrode
◆ MIC Port
Please note that the MIC is positive negative connection，not reverse.
NO. Definition Property Description
1 MIC- input MIC-
2 MIC+ input MIC+
Speaker
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◆ Port Of Receiving Remote Control
NO. Definition Property Description
1 IR input remote control signal input
2 GND ground
electrode
ground electrode
3 3V3 Power 3.3V output
◆ Work Indicating Lamps
The default support gongyang red blue double LED lights.
NO. Definition Property Description
1 LED_B Blue light Work light
2 VCC Power supply 3.3V output
3 LED_R Red light Standby lamp
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◆ LED/IR Port
The position of remote control receiving and indicating light is shared（can choose welding 2.54 mm
spacing of 7 pins socket）.
NO. Definition Property Description
1 LED_B output work indicating lamp
2 VCC power 3.3V output
3 LED_R output standby indicating lamp
4 ADC ADC input ADC button input
5 IR input remote control signal input
6 GND ground
electrode
ground electrode
7 3.3V power 3.3V output
◆ Backlight Control Port
Use for LVDS screen backlight control，the 12V power supply current is not more than 1.5A，When
using more than 19 inch screen or screen backlight power in more than 20W，backlight power supply
electricity is taken from the other power plate，so as not to cause system instability. Backlight can make
voltage is 5V，if other voltage, please add IO level conversion circuit. The 12V power supply only as a backlight power
output, don't as a power input supply system.
NO. Definition Property Description
1 VCC power 12V output
2 VCC power 12V output
3 BL-EN output backlight enable control
4 BL-ADJ output backlight brightness adjust control
5 GND ground
electrode
ground electrode
6 GND ground
electrode
ground electrode
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◆ IO/KEY Interface
I/O used for provide peripherals with input/output for controlling signal. Electrical level is 3.3V,ADC
signal can be used for press key control.
NO. Definition Property Description
1 VCC power 3.3V output
2 I/O input GPIO-1
3 I/O input GPIO-2
4 I/O output GPIO-3
5 ADC input/output ADC signal
6 GND ground electrode ground electrode
7 PWR-ON input External power button
8 Uboot input External upgrade keys
◆ LVDS Port
Commonly used LVDS interface definitions，support single/ double channels，6/8/10 bits 1080P LVDS
screen. Screen voltage can be choosed by jumper cap，can choose to support 3.3V/5V/12V screen
power supply.
In order to avoid burning board and screen, please pay attention to the following：
1.Please make sure the specifications and power supply voltage of the screen is correct, the power
supply of the board can meet the maximum current screen work accordingly
2.Please confirm the power of the jumper cap is correct by multimeter.
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The selection of screen power supply with jumper cap in above photo, from top to bottom :3.3V/5V/12V.
NO. Definition Property Description
1
PVCC Power
output LCD power output，+3.3v/+5V/ +12V Optional
2
3
4
GND ground
electrode ground electrode 5
6
7 0-VN0 Output Pixel0 Negative Data (Odd)
8 0-VP0 Output Pixel0 Positive Data (Odd)
9 0-VN1 Output Pixel1 Negative Data (Odd)
10 0-VP1 Output Pixel1 Positive Data (Odd)
11 0-VN2 Output Pixel2 Negative Data (Odd)
12 0-VP2 Output Pixel2 Positive Data (Odd)
13 GND ground
electrode ground electrode
14 GND ground
electrode ground electrode
15 0-VNC Output Negative Sampling Clock (Odd)
16 0-VPC Output Positive Sampling Clock (Odd)
17 0-VN3 Output Pixel3 Negative Data (Odd)
18 0-VP3 Output Pixel3 Positive Data (Odd)
19 1-VN0 Output Pixel0 Negative Data (Even)
20 1-VP0 Output Pixel0 Positive Data (Even)
21 1-VN1 Output Pixel1 Negative Data (Even)
22 1-VP1 Output Pixel1 Positive Data (Even)
23 1-VN2 Output Pixel2 Negative Data (Even)
24 1-VP2 Output Pixel2 Positive Data (Even)
25 GND ground
electrode ground electrode
26 GND ground
electrode ground electrode
27 1-VNC Output Negative Sampling Clock (Even)
28 1-VPC Output Positive Sampling Clock (Even)
29 1-VN3 Output Pixel3 Negative Data (Even)
30 1-VP3 Output Pixel3 Positive Data (Even)
31 0-VN4 Output Pixel4 Negative Data (Odd)
32 0-VP4 Output Pixel4 Positive Data (Odd)
33 1-VN4 Output Pixel4 Negative Data (Even)
34 1-VP4 Output Pixel4 Positive Data (Even)
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Remark：31-34 Default pin is not welded
◆ 232 Serial port interface*2
Led out of the two sets of ordinary 232 serial port, can support the general market of the 232 serial
devices.
Remark：
1.Serial voltage matching, Cannot access directly TTL,485 serial device.
2.TX，RX whether the connection is correct.
NO. Definition Property Description
1 GND ground
electrode
ground electrode
2 PC232-RX input 232-RX
3 PC232-TX output 232-TX
4 VCC Power supply 5V output
Serial port
Serial port
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◆ TTL Wires Serial Socket Port*2
The board raises a common two wires of serial ports,can support general serial port devices on the
market，level of the serial port is 0V to 3.3V.If the abutting serial level higher than 3.3 V，must have the
isolating circuit or level conversion circuit, otherwise it will burn out master and equipment.
Notice：
1.If TTL serial port voltage can match or not, can't directly access MAX232,485 devices.
2.TX，RX connection if is correct.
NO. Definition Property Description
1 GND ground
electrode
ground electrode
2 UART-RX input/output RX
3 UART-TX input/output TX
4 VCC Power supply 3.3V output
◆ USB
The board has 2 standard USB interface，including 5 inbuilt USB socket，can be used for peripheral
expansion，default to HOST，each interface power supply current is not more than 500mA，for USB
OTG interface，can select the Host/Device by screen printing position and the jumper as below picture
on the PCB board.
USB There are two kinds of sockets ：One kind is single row pin ，Electrical definitions are as follows：
NO. Definition Property Description
1 VCC Power supply 5V output
2 DM input/output DM
3 DP input/output DP
4 GND ground
electrode
ground electrode
Serial portSerial portSerial port
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The other is a double row pin, electrical definitions such as J23 are as follows：
NO. Definition Property Description
1 VCC Power supply 5V output
2 DM input/output DM
3 DP input/output DP
4 GND ground
electrode
ground electrode
5 VCC Power supply 5V output
6 DM input/output DM
7 DP input/output DP
8 GND ground
electrode
ground electrode
J22 Electrical definitions are as follows ：【 Remark,J22Outlet only one way USB host available 】
NO. Definition Property Description
1 VCC Power supply 5V output
2 DM input/output DM
3 DP input/output DP
4 GND ground
electrode
ground electrode
5 VCC Power supply 5V output
6 / / /
7 / / /
8 GND ground
electrode
ground electrode
◆ Touch screen interface
NO. Definition Property Description
1 VCC Power supply 3.3V output
2 SCK input/output I2C clock
3 SDA input/output I2C data
4 INT input/output interrupt
5 RST input/output reset
6 GND ground
electrode
ground electrode
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◆ HDMI_IN Interface
The interface collocation of our hdmi_in small hdmi_in function, socket CON14Electrical definitions as follows：
NO. Definition Property Description
1 VCC Power supply 5V output
2 PWREN output Power enable
3 GND ground
electrode
ground electrode
4 GND ground
electrode
ground electrode
5 D0N input/output Mipi data channel 0 minus
6 D0P input/output Mipi data channel 0 plus
7 D1N input/output Mipi data channel 1 minus
8 D1P input/output Mipi data channel 1 plus
9 D2N input/output Mipi data channel 2 minus
10 D2P input/output Mipi data channel 2 plus
11 D3N input/output Mipi data channel 3 minus
12 D3P input/output Mipi data channel 3 plus
13 CLKN input/output Mipi Clock channel minus
14 CLKP input/output Mipi Clock channel plus
15 INT input interrupt signal
16 STBY outpu Standby control
17 IR input indeterminate
18 RST outpu reset signal
19 I2S_LRCK_R
X
input/output I2S In group signal
20 I2S_SCLK input/output I2S In group signal
21 I2S_MCLK outpu I2S In group signal
22 I2S_SDI input I2S In group signal
23 I2C4_SDA input/output SDA signal
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24 I2C4_SCL output SCL signal
◆ Camera_IN Interface
Board support 1400W pixel Mipi camera，Installed in jp26 socket ，the electrical definition of the socket is as follows：
NO. Definition Property Description
1 NC / /
2 VDD Power supply 2.8V output
3 DVDD Power supply 1.2V output
4 DOVDD Power supply 1.8V output
5 NC / /
6 GND ground
electrode
ground electrode
7 VDD Power supply 2.8V output
8 GND ground
electrode
ground electrode
9 I2C3_SDA input/output SDA signal
10 I2C3_SCL output SCL signal
11 RST output reset signal
12 PWDN output Power down control
13 GND ground
electrode
ground electrode
14 MCLK output Master clock
15 GND ground
electrode
ground electrode
16 D3P input/output mipi data channel3 plus
17 D3N input/output mip data channel3 minus
18 GND ground
electrode
ground electrode
19 D2P input/output mipi data channel2 plus
20 D2N input/output mipi data channel2 minus
21 GND ground
electrode
ground electrode
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22 D1P input/output Mipi data channel 1 plus
23 D1N input/output Mipi data channel 1 minus
24 GND ground
electrode
ground electrode
25 CLKP input/output Mipi Clock channel plus
26 CLKN input/output Mipi Clock channel minus
27 GND ground
electrode
ground electrode
28 D0P input/output Mipi data channel 0 plus
29 D0N input/output Mipi data channel 0 minus
30 GND ground
electrode
ground electrode
◆ Speaker interface
NO. Definition Property Description
1 OUTP-R output Audio output right+
2 OUTN-R output Audio output right-
3 OUTN-L output Audio output left-
4 OUTP-L output Audio output left+
◆ Other standard interfaces and functions :
Memory Port
SD card Data storage, maximum support 32G
USB Host port, support data storage, data input, USB,
mouse keyboard, camera, touch screen etc
Ethernet Port RJ45 port Support 100M wire network
HDMI Port Standard port support HDMI data output, maximum support 1080P
Earphone Port Standard port 3.5mm standard port
3G Port PCI-E Standard
port
Support HUAWEI, ZTE and other mini PCI-E 3G/4G
module
SIMcard Port Standard port Support a variety of formats （Depending on the 3G
module ）
SpeakerSpeakerSpeaker
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Chapter 4. Electric Performance
Project Min Typical Max
Power voltage
voltage -- 12V --
ripple wave -- -- 50mV
current 3A
Power current (HDMI
output,no other
peripheral)
working current -- 200mA 350mA
standby current -- 17mA 20mA
USB power supply
current
-- -- 500mA
Power current (LVDS)
3.3V working current 400 mA 500 mA
5V working current 550 mA 1A
12V working current 580 mA 1A
USB power supply
current
-- -- 500mA
Total output(eDP)
3.3V working current 400 mA 500 mA
5V working current -- -- --
12V working current -- -- --
USB supply current -- -- 500mA
Total output current 3.3V 800mA
Environment
Relative humidity -- -- 80%
working temperature 0℃ -- 60℃
Storage temperature -20℃ 70℃
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Remark 1：When connect the LVD screens，need to pay attention to select the right
backlight working voltage 3.3V, 5V, 12V，the users cannot be applied to beyond the
corresponding maximum current peripherals.
Remark 2: When connect the eDP/LVD screens，the board of the whole working
current and standby current depending on the connection screens，above form not
listed.
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Chapter 5 Assembly Using Notice
In the process of assembly use，please note the following points (and not
limited to) problem.
一．Bare board and a peripheral short circuit problem.
二．In the process of installing fixed，avoiding the bare board deformation caused by fixed problems.
三．When connect the eDP/LVDS screens，pay attention to the screen voltage, electric current if is
coincident. Attention to the problem of screen socket 1 pin direction.
四．When connect the eDP/LVDS screens，pay attention to the screen backlight voltage, electric
current if is coincident. The backlight power is more than 20W, whether or not to use other power
panel power supply.
五．Peripheral devices (USB, IO, etc) when installation，attention to the problem of peripheral IO level
and current output.
六．A serial port when installation，pay attention to whether connect the serial port of the device level
matching(232 or 485).TX，RX connection if is correct.
七.Whether the input power supply access on the power input interface，according to the total
peripheral evaluation，whether can meet the requirements of the input power supply voltage, electric
current and so on. To eradicate facilitate the operation from a backlight socket for access to the
power supply input power.
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This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that may cause undesired
operation.
Note: 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 in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance with
the instructions, 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 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.
Warning: Changes or modifications to this unit not expressly approved by the part responsible
for compliance could void the user’s authority to operate the equipment.
FCC Radiation Exposure Statement
This equipment complied with FCC radiation exposure limits set forth for an uncontrolled
environment. This equipment should be installed and operated with minimum distance 20cm
between the radiator & your body.
EU Regulatory Conformance
Hereby, we (Shenzhen Smart Device Technology Co., LTD) declared that this device is in
compliance with the essential requirements and other relevant provisions of Directive
2014/53/EU
Importer: Fender Musical Instruments S.L.U.
Address: C/Capitan Haya, 38 Planta 4, 28020 MADRID, Spain.
E-mail: support@fender.com
Manufacturer:Shenzhen Smart Device Technology Co., LTD
Address:SSMEC Building,Gao Xin Nan First Avenue Hi-Tech Park South, Nanshan, Shenzhen,China?
Telephone:+86 755 61662980