RK3288 Android decoding driver integrated board specification sheet
(Product model: RK3288-M)
Chapter one the Product Overview
1.1、 General
RK3288 Android all-in-one board adopts Rockchip's RK3288 Cortex-A17 quad-core chip solution with a frequency of up to 1.8GHz. It has strong image processing and computing performance and super performance, with a comprehensive running score of more than 80,000 points. It meets functional requirements such as human-computer interaction, playing games, playing videos, and industrial control. It has rich interfaces and I/O onboard, has rich and flexible connectivity and scalability, and supports commonly used external devices; Rich interfaces and stable performance to meet the requirements of different scenarios;
1.2、 Characteristics
High performance: The RK3288 chip uses a quad-core A17 solution and is one of the most powerful quad-core chips in the current RK system. It adopts a new quad-core chip RK3288 motherboard solution with eight-core speed and super performance. Compared with the common single-core, dual-core, quad-core, and eight-core solutions on the market, it has a qualitative leap in performance. It can play high-definition 4K*2K videos in various formats and handle complex interactive operations.
High stability: RK3288 Android all-in-one board adds its own unique technology to hardware and software to ensure the stability of the product, making the final product unattended 7*24 hours.
High integration: RK3288 Android all-in-one board integrates Ethernet, WiFi, Bluetooth, 4Ω/18W power amplifier, TF card expansion, IR remote control function, HDMI output, LVDS, eDP, MIPI screen, microphone, gravity sensor and other functions, greatly simplifying the overall machine design. The ultra-thin motherboard design can make the whole machine more beautiful.
Rich interfaces: supports USB port, serial port, I2C interface, Wiegand, GPIO, ADC, etc., and can expand more peripheral devices. It can meet common peripherals on the market, such as serial card swiping equipment, printing equipment, etc.
System customization: Support Android system optimization customization, provide system call interface API reference code.
Chapter 2 Schematic Diagram of Appearance and Interface
Chapter III Basic specifications Features
3.1、 Basic Hardware Specifications Function
| CPU | Rockchip RK3288 (28nm HKMG process)
ARM Cortex-A17 quad-core 32-bit processor, running at 1.8GHz |
| GPU | Mail-T764 GPU MP4 Quad Core GPU
Support OpenGL ES1. 1/2.0/3.0, OpenVG1. 1, OpenCL, DX11 supports AFBC (frame buffer compression) |
| Memory | LPDDR3 2G (up to 4G supported) |
| Built-in storage capacity | eMMC 16GB (8G/32G/64G/128G optional)
TF Card expansion (can be used to expand SSD) |
| networks | Support RJ45 100 megabit network port, support Ethernet |
| Support 2.4G WiFi, support Wi-Fi 802.11b/g/n protocol |
| Support Bluetooth function, V2. 1+EDR/Bluetooth 3.0/3.0+HS/4.0 (optional) |
| Image Rotation | Supports 0 degree, 90 degree, 180 degree, 270 degree manual rotation;
Supports gravity sensing automatic screen rotation function (optional) |
| Show interfaces | 1 * eDP interface (eDP1.3, 4lanes with 10.8Gbps), supports 3.3V/5V/12V power supply
1 * LVDS interface (single/dual, 6-bit/8-bit), supports 7 "- 108" displays, supports up to
1080P 60Hz output, supports 3.3V/5V/12V power supply 1*HDMI 2.0, supports up to 4K 60Hz output
1*MIPI screen interface, supports up to 1080P 60Hz output and supports dual-screen differential display function |
| Audio Interface | 1 * Speaker Out (2 * 18W 4R THD < 10%) 1 * Headphone Out/In
1 * Microphone Input |
| Hardware Watchdog | Support for hardware watchdogs |
| Touch screen interface | 1 * I2C interface (supports multi-point resistive touch, multi-point capacitive touch)
Support USB multi point infrared touch, multi point capacitive touch, multi point nano film touch, multi point acoustic wave touch, multi point optical touch, etc. |
| RTC | Built-in real-time clock-powered battery, supports timing switch |
| USB | 5*USB-2.0 HOST ， 1*USB2.0 OTG |
| Infrared reception | 1 * Infrared receiver, supports infrared remote control function, supports remote control boot |
| LED | 1* Power status LED (red), 1* System LED (blue, flashing by default) |
| Keystroke | 1 * Reset key, 1 * Power key, 1 * Upgrade key |
| Serial port | 3*UART（1*TTL/RS232 、 1*TTL/RS232/RS485 、 1*TTL/RS485） |
| IO port | 4*GPIO port, supports input or output |
| Wigan Interface | 1 * Input interface, 1 * Output interface |
| Recommended Power Adapter | Input: AC100-240V, 50-60Hz, Output: DC12V, 5.5mm/2. 1mm DC head 2A-5A (Requires surge voltage less than 18V, ripple voltage less than 100mV) |
3.2、 Basic software specifications Function
| OPERATING SYSTEM | Android 7. 1 |
| Audio | MP3, WMA, WAV, ape, FLAC, AAC, OGG, M4A, 3GPP and other formats |
| Videos | Support 1080P/2160P multi-video decoding of H.265, H.264, VP8, MAV, WMV, AVS, H.263, MPEG4 and other video formats |
| Images | Supports browsing in various image formats such as JPG, BMP, PNG and supports rotation/slide play/image enlargement |
| The system comes with its own application software | APK Installer, Email, Calculator, Browser, Recorder, Calendar, Settings, Clock, Video Player, Search, Contacts, Gallery, Download, Camera, Music, Explorer |
| Language Support | many languages |
| Input method | Standard Andriod keyboard with optional third-party input (Chinese, Korean, Japanese, etc.) |
| System Management | Native Android system, open root permissions, can be customized for product development |
| Real-time remote monitoring, system crash recovery, 7 * 24 hours unattended |
| Support OTA remote upgrade |
| Support wifi display |
| System Watchdog | Support for software watchdogs |
3.3、 Work Storage Environment
| Operating ambient temperature | -25 ℃ ~ 70 ℃, -5 ℃ ~ 40 ℃ recommended |
| Working environment humidity | 10% to 90%, non-condensing |
| Storage Temperature | -30 ℃ ~ 75 ℃, it is recommended to store at room temperature |
Chapter IV PCBA Construction
4.1、 PCBA 寸法図
4.2、 Specification parameters
Motherboard size: 120*75* 12mm
Board height: front ≤ 8mm, back ≤ 3mm
Number of PCB layers: 8 layers
PCB size: 120*75* 1.6mm
PCB Color: Black
PCB Process: Immersion gold
Screw hole specifications: Φ2mm*4
Chapter Five Interfaces
5.1、 Interface Instructions
5.1.1、 LVDS Screen voltage cap jumper interface (6PIN/2.0）
| No. | Definition | Attribute | Description |
| 1 | 12V | Power Supply | 12V output |
| 2 | LVDS-VDD-IN | Power Supply | LVDS voltage input |
| 3 | 5V | Power Supply | 5V output |
| 4 | LVDS-VDD-IN | Power Supply | LVDS voltage input |
| 5 | 3.3V | Power Supply | 3.3V output |
| 6 | LVDS-VDD-IN | Power Supply | LVDS voltage input |
5.1.2、 LVDS Screen interface (2x15PIN/2.0）
| No. | Definition | Attribute | Description |
| 1 | POWER | Power Supply | Screen power output 3.3V/5V/12V The specific voltage is selected by the skip cap |
| 2 | POWER | Power Supply |
| 3 | POWER | Power Supply |
| 4 | GND | Earth | Earth |
| 5 | GND | Earth | Earth |
| 6 | GND | Earth | Earth |
| 7 | LVDS-A-D0N | Output | Negative data output |
| 8 | LVDS-A-D0P | Output | Data Output Positive |
| 9 | LVDS-A-D1N | Output | Negative data output |
| 10 | LVDS-A-D1P | Output | Data Output Positive |
| 11 | LVDS-A-D2N | Output | Negative data output |
| 12 | LVDS-A-D2P | Output | Data Output Positive |
| 13 | GND | Earth | Earth |
| 14 | GND | Earth | Earth |
| 15 | LVDS-A-CLKN | Output | Negative data output |
| 16 | LVDS-A-CLKP | Output | Data Output Positive |
| 17 | LVDS-A-D3N | Output | Negative data output |
| 18 | LVDS-A-D3P | Output | Data Output Positive |
| 19 | LVDS-B-D0N | Output | Negative data output |
| 20 | LVDS-B-D0P | Output | Data Output Positive |
| 21 | LVDS-B-D1N | Output | Negative data output |
| 22 | LVDS-B-D1P | Output | Data Output Positive |
| 23 | LVDS-B-D2N | Output | Negative data output |
| 24 | LVDS-B-D2P | Output | Data Output Positive |
| 25 | GND | Earth | Earth |
| 26 | GND | Earth | Earth |
| 27 | LVDS-B-CLKN | Output | Negative data output |
| 28 | LVDS-B-CLKP | Output | Data Output Positive |
| 29 | LVDS-B-D3N | Output | Negative data output |
| 30 | LVDS-B-D3P | Output | Data Output Positive |
5.1.3、 eDP Screen interface (2x10PIN/2.0）
| No. | Definition | Attribute | Description |
| 1 | VCC | Power Supply | Screen power output 3.3V/5V/12V The specific voltage is selected by the skip cap |
| 2 | VCC | Power Supply |
| 3 | GND | Earth | Earth |
| 4 | GND | Earth | Earth |
| 5 | EDP-D0N | Output | Negative data output |
| 6 | EDP-D0P | Output | Data Output Positive |
| 7 | EDP-D1N | Output | Negative data output |
| 8 | EDP-D1P | Output | Data Output Positive |
| 9 | EDP-D2N | Output | Negative data output |
| 10 | EDP-D2P | Output | Data Output Positive |
| 11 | EDP-D3N | Output | Negative data output |
| 12 | EDP-D3P | Output | Data Output Positive |
| 13 | GND | Earth | Earth |
| 14 | GND | Earth | Earth |
| 15 | EDP-AUXN | Output | Negative data output |
| 16 | EDP-AUXP | Output | Data Output Positive |
| 17 | GND | Earth | Earth |
| 18 | GND | Earth | Earth |
| 19 | 3V3 | Output | 3.3V Power Output |
| 20 | HPD | Masukkan | HPD Test Pins |
5.1.4、 eDP Screen voltage cap jumper interface (6PIN/2.0）
| No. | Definition | Attribute | Description |
| 1 | 12V | Power Supply | 12V output |
| 2 | EDP-VDD-IN | Power Supply | EDP voltage input |
| 3 | 5V | Power Supply | 5V output |
| 4 | EDP-VDD-IN | Power Supply | EDP voltage input |
| 5 | 3.3V | Power Supply | 3.3V output |
| 6 | EDP-VDD-IN | Power Supply | EDP voltage input |
5.1.5、 12V Power Input Interface (4PIN/2.0）
| No. | Definition | Attribute | Description |
| 1 | GND | Earth | Earth |
| 2 | GND | Earth | Earth |
| 3 | 12V_IN | Power Supply | 12V power supply |
| 4 | 12V_IN | Power Supply | 12V power supply |
5.1.6、 Speaker Output Interface (4PIN/2.0）
| No. | Definition | Attribute | Description |
| 1 | LN | Output | Left Channel Output Negative |
| 2 | LP | Output | Left Channel Output Positive |
| 3 | RP | Output | Right Channel Output Positive |
| 4 | RN | Output | Right channel output negative |
5.1.7、 Screen backlight interface (6PIN/2.0）
| No. | Definition | Attribute | Description |
| 1 | 12V | Power Supply | 12V output |
| 2 | 12V | Power Supply | 12V output |
| 3 | BLEN | Output | Backlight Enabled (5V) |
| 4 | ADJ | Output | Backlight brightness adjustment (0 ~ 5V) |
| 5 | GND | Earth | Earth |
| 6 | GND | Earth | Earth |
5.1.8、 Microphone Interface (2PIN/2.0）
| No. | Definition | Attribute | Description |
| 1 | MICP | Masukkan | Mic positive input |
| 2 | MICN | Masukkan | Mic negative input |
5.1.9、 I2C Touch screen interface (6PIN/2.0）
| No. | Definition | Attribute | Description |
| 1 | 3V3 | Power Supply | 3.3V output |
| 2 | INT | Connectors and Input/Output | Interrupt data |
| 3 | RST | Connectors and Input/Output | Reset data |
| 4 | SCL | Connectors and Input/Output | IIC Clock |
| 5 | SDA | Connectors and Input/Output | IIC Data |
| 6 | GND | Earth | Earth |
5.1.10、 GPIO Interface6PIN/2.0）
| No. | Definition | Attribute | Description |
| 1 | 3/5V | Power Supply | 5V/3.3V(default) output |
| 2 | IO1 | Connectors and Input/Output | Default Output Low |
| 3 | IO2 | Connectors and Input/Output | Default Output High |
| 4 | IO3 | Connectors and Input/Output | Default input low level |
| 5 | IO4 | Connectors and Input/Output | Default input low level |
| 6 | GND | Earth | Earth |
5.1.11、 ttyS1 Serial interface(TTL/RS232-4PIN/2.0)
| No. | Definition | Attribute | Description |
| 1 | 3/5V | Power Supply | 5V (default)/3.3V output |
| 2 | TX1 | Output | Send |
| 3 | RX1 | Masukkan | Receive |
| 4 | GND | Earth | Earth |
5.1.12、 ttyS4 Serial interface(TTL/RS232/RS485-4PIN/2.0)
| No. | Definition | Attribute | Description |
| 1 | 3/5V | Power Supply | 5V (default)/3.3V output |
| 2 | TX4A | Connectors and Input/Output | Send/485-A |
| 3 | RX4B | Connectors and Input/Output | Receive/485-B |
| 4 | GND | Earth | Earth |
5.1.13、 BAT Battery Interface (2PIN/1.25）
| No. | Definition | Attribute | Description |
| 1 | BAT+ | Masukkan | 3.3V input |
| 2 | BAT- | Earth | Earth |
5.1.14、 ttyS3 Serial interface(TTL/RS485-4PIN/2.0)
| No. | Definition | Attribute | Description |
| 1 | 3/5V | Power Supply | 5V (default)/3.3V output |
| 2 | TX3A | Connectors and Input/Output | Send/485-A |
| 3 | RX3B | Connectors and Input/Output | Receive/485-B |
| 4 | GND | Earth | Earth |
5.1.15、 USB2.0-HOST Interface4PIN/2.0）
| No. | Definition | Attribute | Description |
| 1 | 5V | Power Supply | 5V output |
| 2 | DM | Connectors and Input/Output | Data negative |
| 3 | DP | Connectors and Input/Output | Data positive |
| 4 | GND | Earth | Earth |
5.1.16、 USB2.0 Interface4PIN/2.0）
| No. | Definition | Attribute | Description |
| 1 | 5V | Power Supply | 5V output |
| 2 | DM | Connectors and Input/Output | Data negative |
| 3 | DP | Connectors and Input/Output | Data positive |
| 4 | GND | Earth | Earth |
5.1.17、 USB2.0 Interface4PIN/2.0）
| No. | Definition | Attribute | Description |
| 1 | 5V | Power Supply | 5V output |
| 2 | DM | Connectors and Input/Output | Data negative |
| 3 | DP | Connectors and Input/Output | Data positive |
| 4 | GND | Earth | Earth |
5.1.18、 USB2.0 Interface4PIN/2.0）
| No. | Definition | Attribute | Description |
| 1 | 5V | Power Supply | 5V output |
| 2 | DM | Connectors and Input/Output | Data negative |
| 3 | DP | Connectors and Input/Output | Data positive |
| 4 | GND | Earth | Earth |
5.1.19、 ADC Conversion Interface (2PIN/2.0）
| No. | Definition | Attribute | Description |
| 1 | AD0 | Masukkan | ADC input (1.8V) |
| 2 | GND | Earth | Earth |
5.1.20、 Wigan Interface(6PIN/2.0)
| No. | Definition | Attribute | Description |
| 1 | 5V | Power Supply | 5V output |
| 2 | S0 | Output | Sending data |
| 3 | S1 | Output | Send Data 1 |
| 4 | R0 | Masukkan | Receiving data... |
| 5 | R1 | Masukkan | Receiving Data 1 |
| 6 | GND | Earth | Earth |
5.1.21、 LED/IR(Remote Control and Indicators)Interface6PIN/2.0）
| No. | Definition | Attribute | Description |
| 1 | 3.3V | Power Supply | 3.3V output |
| 2 | IR | Masukkan | Infrared signal input |
| 3 | GND | Earth | Earth |
| 4 | P | Output | Power Indicator (Red) Light Positive |
| 5 | S | Output | System Indicator (Green) Light Positive |
| 6 | GND | Earth | Earth |
5.1.22、 Button interface (4PIN/2.0）
| No. | Definition | Attribute | Description |
| 1 | K | Masukkan | Upgrade Button/Volume + |
| 2 | R | Masukkan | Reset button |
| 3 | P | Masukkan | Power Button |
| 4 | GND | Earth | Earth |
5.1.23、 Debug serial port interface (3PIN/2.0）
| No. | Definition | Attribute | Description |
| 1 | TX2 | Output | Send |
| 2 | RX2 | Masukkan | Receive |
| 3 | GND | Earth | Earth |
5.1.24、 MIPI Screen interface (31PIN/0.3）
| No. | Definition | Attribute | Description |
| 1 | LED+ | Backlight power supply | Backlight Positive |
| 2 | LED+ | Backlight power supply | Backlight Positive |
| 3 | LED+ | Backlight power supply | Backlight Positive |
| 4 | GND | Earth | Earth |
| 5 | LED- | Backlit ground | Backlight Negative |
| 6 | LED- | Backlit ground | Backlight Negative |
| 7 | LED- | Backlit ground | Backlight Negative |
| 8 | LED- | Backlit ground | Backlight Negative |
| 9 | GND | Earth | Earth |
| 10 | GND | Earth | Earth |
| 11 | MiPi-D2P | Output | Data Output Positive |
| 12 | MiPi-D2N | Output | Negative data output |
| 13 | GND | Earth | Earth |
| 14 | MiPi-D1P | Output | Data Output Positive |
| 15 | MiPi-D1N | Output | Negative data output |
| 16 | GND | Earth | Earth |
| 17 | MiPi-CLKP | Output | Data Output Positive |
| 18 | MiPi-CLKN | Output | Negative data output |
| 19 | GND | Earth | Earth |
| 20 | MiPi-D0P | Output | Data Output Positive |
| 21 | MiPi-D0N | Output | Negative data output |
| 22 | GND | Earth | Earth |
| 23 | MiPi-D3P | Output | Data Output Positive |
| 24 | MiPi-D3N | Output | Negative data output |
| 25 | GND | Earth | Earth |
| 26 | NC | NC | NC |
| 27 | RESET | Output | Reset |
| 28 | NC | NC | NC |
| 29 | VDDIO1.8V | Output | VDD1.8V |
| 30 | VDD3.3V | Output | VDD3.3V |
| 31 | VDD3.3V | Output | VDD3.3V |
5.1.25、 Headphone expansion interface (5PIN/2.0）
| No. | Definition | Attribute | Description |
| 1 | DET | Masukkan | Headphone plug and unplug detection (3.3V) |
| 2 | HPOR | Output | Right channel output |
| 3 | HPOL | Output | Left channel output |
| 4 | MIC | Masukkan | MIC input |
| 5 | GND | Earth | Earth |
5.1.26、 POE Interface(4PIN/2.0)
| No. | Definition | Attribute | Description |
| 1 | VA1 | Output | RJ45 PIN1 & PIN2 tap |
| 2 | VA2 | Output | RJ45 PIN3 & PIN6 tap |
| 3 | VB1 | Output | RJ45 PIN4 & PIN5 tap |
| 4 | VB2 | Output | RJ45 PIN7 & PIN8 tap |
5.2、 Remaining standard interfaces and features
| Name | Seat Specifications | Description |
| DC 12V power interface | DC-5.5*2.1mm female connector | 12V power input |
| HDMI connector | Standard HDMI Female | Supports up to 4K output |
| USB interface | Standard USB interface | HOST/OTG mode USB |
| Upgrade button | Non-Self-Locking Buttons | UBOOT Button |
| USB interface | Standard USB interface | HOST mode USB |
| TF card holder | Standard TF card holder | Up to 128GB |
| Ethernet interface | RJ45 connector | 10/100M Adaptive Ethernet |
| WiFi antenna pedestal | IPEX- Generation 1 male | WiFi/Bluetooth antenna |
5.3、 PIN Footer number
Chapter 6 Notice
Wear electrostatic protection tools such as electrostatic bracelets when ▲ touching the motherboard (good grounding is required);
▲ Do not operate live assembly, wiring, etc.;
▲ Please check the definition of the motherboard interface and the definition of the peripheral interface, and there must be no error or reverse connection.
▲ Please use M2 flat round head screws to fix the motherboard. Do not use countersunk head or larger screws. When twisting the screws, be careful to avoid deformation or bending of the motherboard;
▲ Pay attention to IO port, serial port, enable pin and other level matching;
▲ Pay attention to the power of the external screen. If the power is large, consider external power supply;
▲ Pay attention to the overall power of the product and select a power supply with sufficient power;
