HUIDU HD-40S Specification
Here is the HUIDU HD-40S Specification to help you know more about HD-40S LCD Controller overview, Connection methods, features list, Appearance description, Dimensions definition, Technical Parameters, etc.
- V0.1 20210413
Product Description
1.Overview
Due to its hardware platform and Android intelligent features, it can be used on the smart terminal motherboard when human-computer interaction or network device interaction is required, which can be your best choice.
2.Features
- Minimalist design, reserved common interfaces, Mini size, can be used in ultra-thin application scenarios;
- High stability. The A40i Android integrated board adds its own unique technology to the hardware and software to ensure the stability of the product, which can make the final product reach 7*24 hours unattended.
- High integration. The A40i Android all-in-one board integrates Ethernet, Wi-Fi, Power amplifier, TF expansion card, USB expansion port, IR remote control function, HDMI, LVDS, Backlight control, microphone, and other functions, which greatly simplifies the design of the whole machine.
- High scalability. 6*USB (4 *Pins, 2 *standard), 5 *serial ports (4 *UART, 1 *DEBUG), and 5 *IO expansion ports available to expand more peripheral devices.
- High definition. It supports various LVDS/HDMI interface LCD displays and supports various sizes and resolutions of cropped screens.
- Perfectly support multiple mainstream touch screen functions such as multi-point infrared touch, multi-point capacitive touch, multi-point Nano film touch, multi-point acoustic wave touch, multi-point optical touch, etc.
Basic Parameters
1. Hardware Parameters
Hardware specifications | |
CPU | A40i, Quad-core， Dominant Frequency up to 1.2GHz， Android7.1.1 |
GPU | Mali400 MP2 |
Memory | 1GB |
Built-in ROM | eMMC Default 8GB TF Card Extend(Extendable SSD) |
Network | RJ45 100M; Ethernet； Wi-Fi, support Wi-Fi 802.11b/g/n protocol； |
Image rotation | Support 0 degrees, 90 degrees, 180 degrees, 270 degree manual rotation |
Display interface | 1*LVDS interface (single/dual, 6-bit/8-bit), support 3.3V/5V/12V power supply Onboard backlight control supports 12V backlight power supply |
Audio | Support standard left & right channel line output; support 3.5mm audio output interface |
Power amplifier | 2 outputs (8 ohms, 10 watts dual audio amplifier output) |
Microphone | Differential MIC input |
Touch screen | Support USB multi-point infrared touch, multi-point capacitive touch, multi-point nano film touch, multi-point sound wave Touch, multi-point optical touch, and so on |
RTC | Built-in real-time clock function |
USB | 1 *USB-2.0 HOST , 1* USB2.0 OTG, 4 *Expansion USB |
IR | Infrared receiver, support infrared remote control function |
LED | 1*power status LED(green),1*system LED(green blinking in default) |
Button | 1*upgrade key |
Serial port | 4 *UART，1 *DEBUG |
IO Port | 5 *IO input/output， Available key scanning control |
Power Adapter | Input:AC100-240V.50-60HZ ， Output： DC12V 1.5A (Requires surge voltage less than 18V and ripple voltage less than 100mV) |
2. Software Parameters
Software specifications | |
Operation system | Android 7.1.1 |
Audio | MP3,WMA,WAV, APE, FLAC, AAC, OGG,M4A,3GPP and other formats |
Video | Support AVI，rm，rmvb， MKV，WMV，MOV，MP4，DAT，PMP， MPEG， MPG， FLV， ASF ，TS， TP，3GP， MPG and other formats |
Image | Support JPG、BMP、PNG and various images formats |
System default application software | APK Installer, Email, Calculator, Browser, Recorder, Calendar, Settings, Clock, Video Player, Search, Contacts, Gallery, Download, Camera, Music, Explorer, etc. |
Language | Support multi-language |
Input method | Standard Android keyboard with the optional third-party input method |
System Management | Original ecological Android system, open root permissions, and can customize product development |
Real-time remote monitoring, system crash self-recovery, unattended 7 * 24 hours | |
Support OTA remote upgrade; support U disk upgrade | |
Support boot animation definition | |
Support server / stand-alone mode switching | |
Support Wi-Fi hotspot | |
System watchdog | Support software watchdog |
Dimension Diagram
Bare board size specification, unit: mm（mm）
Product Interface Diagram
Interface Parameter Description
1. PWR / DC (power input) interface
It adopts 12V DC power supply and only allows the board subsystem to be powered from the DC socket and power socket.
No. | Definition | Attribute | Description |
6 | 12V | Input | 12V Input |
5 | 12V | Input | 12V Input |
4 | GND | GND | GND |
3 | GND | GND | GND |
2 | 5VS | Input | Standby 5V Input |
1 | STB | Output | Standby signal output |
2. MIC (Microphone) interface and definition
No. | Definition | Attribute | Description |
1 | MIC-P | Input | MIC+ Input |
2 | MIC-N | Input | MIC- Input |
3. IR-LED (Remote control) interface and definition
No. | Definition | Attribute | Description |
1 | RED | Output | Red indicator lamp |
2 | 5V | Power | 5V Output |
3 | GRN | Output | Green indicator lamp |
4 | IO | Output | Remote control signal Output |
5 | IR | Input | Remote control signal input |
6 | GND | GND | GND |
7 | 5V | Power | 5V Output |
4. LVDS BL (LVDS backlight) interface
No. | Definition | Attribute | Description |
1 | GND | GND | GND |
2 | GND | GND | GND |
3 | ADJ | Output | Backlight Brightness control |
4 | EN | Output | Backlight enable control |
5 | 12V | Power | 12V Output |
6 | 12V | Power | 12V Output |
5.LVDS Interface and definition
General LVDS interface definition, support single / dual, 6/8 / 10-bit 1080P LVDS screen. The screen voltage can be selected through a jumper cap, and it can be selected to support 3.3V / 5V / 12V screen power supply.
- Please confirm whether the screen specification book screen supply voltage is correct, whether the board’s corresponding power supply can meet the maximum working current of the screen.
- Please use a multimeter to confirm that the power supply selected by the jumper cap is correct.
- When connecting the 6 / 8-bit LVDS screen cable, install it near pin1.
| No. | Definition | Attribute | Description |
| 1 | VCC | Power | 3.3V/5V/12V optional output |
| 2 | VCC | ||
| 3 | VCC | ||
| 4 | GND | GND | GND |
| 5 | GND | GND | GND |
| 6 | GND | GND | GND |
| 7 | RXO0- | Output | Odd 0- |
| 8 | RXO0+ | Output | Odd 0+ |
| 9 | RXO1- | Output | Odd 1- |
| 10 | RXO1+ | Output | Odd 1+ |
| 11 | RXO2- | Output | Odd 2- |
| 12 | RXO2+ | Output | Odd 2+ |
| 13 | GND | GND | GND |
| 14 | GND | GND | GND |
| 15 | RXOC- | Output | Odd Clock- |
| 16 | RXOC+ | Output | Odd Clock+ |
| 17 | RXO3- | Output | Odd 3- |
| 18 | RXO3+ | Output | Odd 3+ |
| 19 | RXE0- | Output | Even 0- |
| 20 | RXE0+ | Output | Even 0+ |
| 21 | RXE1- | Output | Even 1- |
| 22 | RXE1+ | Output | Even 1+ |
| 23 | RXE2- | Output | Even 2- |
| 24 | RXE2+ | Output | Even 2+ |
| 25 | GND | GND | GND |
| 26 | GND | GND | GND |
| 27 | RXEC- | Output | Even Clock- |
| 28 | RXEC+ | Output | Even Clock+ |
| 29 | RXE3- | Output | Even 3- |
| 30 | RXE3+ | Output | Even 3+ |
6.USB Interface and definition
No. | Definition | Attribute | Description |
1 | 5V | Power | 5V Output |
2 | DM | Input/Output | DM |
3 | DP | Input/Output | DP |
4 | GND | GND | GND |
7. SPK (Power amplifier) interface
|
No. |
Definition |
Attribute |
Description |
|
1 |
OUTP-R |
Output |
Right channel + |
|
2 |
OUTN-R |
Output |
Right channel – |
|
3 |
OUTN-L |
Output |
Left channel – |
|
4 |
OUTP-L |
Output |
Left channel + |
8. L/R (Audio and definition)
No. | Definition | Attribute | Description |
1 | LO-L | Output | Left Channel |
2 | LO-R | Output | Right Channel |
3 | GND | GND | GND |
4 | NC | NC | Undefined |
9. KEY interface（Extend）definition
No. | Definition | Attribute | Description |
1 | GND | GND | GND |
2 | K5 | K5 | K5 |
3 | K4 | K4 | K4 |
4 | K3 | K3 | K3 |
5 | K2 | K2 | K2 |
6 | K1 | K1 | K1 |
7 | 3V3 | Power | 3.3V Output |
10. UART（Serial Port） Interface *4
The motherboard leads to two sets of common UART serial ports, which can support common UART serial devices on the market.
Matters need attention：
- Whether the TTL serial port voltage matches. Can not directly connect to MAX232,485 devices.
- Whether the TX and RX connections are correct
| No. | Definition | Attribute | Description |
| 1 | 5V | Power | 5V Output |
2 | TX | Output | TX |
3 | RX | Input | RX |
4 | GND | GND | GND |
11. DEBUG Interface
No. | Definition | Attribute | Description |
1 | 3V3 | Power | 3.3V Output |
2 | TX | Output | TX |
3 | RX | Input | RX |
4 | GND | GND | GND |
12. 4PIN RJ45（Ethernet Port）
No. | Definition | Attribute | Description |
1 | TX+ | Output | Output + |
2 | TX- | Output | Output – |
3 | RX+ | Input | Input + |
4 | RX- | Input | Input – |
16.Other interfaces
Storage interface | SD card | Data storage, maximum 32G |
USB | HOST interface, support Data storage, Data import, USB mouse and keyboard, camera, Touch screen, etc. | |
Ethernet interface | RJ45 Port | Support 100M Wired network |
HDMI interface | Standard interface | Support HDMI Output，Maximum 4K |
Communication Methods
1. Wi-Fi Update Program
Mobile APP-“Screen Control” Download Here;
2. U-disk update program
3. TF Card Update Program
4. Internet Update
5. Network cable update program
Product Appearance
Statement
This HUIDU HD-40S Specification is just for reference only, if you have any problems during using this LCD Controller or have any questions about this datasheet, please contact the HUIDU tech department.