OKA40i-C Single Board Computer

CPU: A40i

Architecture: Cortex-A7

Frequency: 1.2GHz

RAM: 1GB DDR3,2GB DDR3(optional)


System: Linux3.10,Android7.1

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Single Board Computer OKA40i-C based on Allwinner A40i

OKA40i-C is a single board computer designed based on Allwinner Cortex-A7 featuring quad-core industrial grade processor A40i with frequency up to 1.2GHz, it integrates with GPU MALI400MP2, RAM 1GB/ 2GB DDR3L and 8GB eMMC. Mostly popular video and iamge encode forms are perfectly supported. It is a superior item with advantages of excellent performance in industrial grade stability but low power and cost effcient performance. Supported with OS Linux and Android systems, applicable for industrail control vision interactive products, such as smart terminals, industrial control , data collection, machine vision, industrial IoT, portable devices, digital signage, etc.

The SoM has below features:

  • 1. Allwinner Cortex-A7 industrial grade quad-core processor A40i, frequency up to 1.2GHz, integrated with Mali400MP2 GPU;
  • 2. Supports dual-screen displaying both sync. and async, various display interfaces RGB/ MIPI/ dual 8-bit LVDS/ HDMI/ TV out are all support and available for 1920x 1080@ 60FPS;
  • 3. One Gigabit Ethernet and one fast Ethernet are supported and available for WIFI/ BT4.0, 4G is also supported;
  • 4. Can support multiple camera inputs, 2-ch DVP camera s up to 5.0MP, 4-ch TVIN can support NTSC and PAL;
  • 5. CPU integrates with audio codec, can support one differential PHONEOUT, one stereo earphone output, and one microphone input;
  • 6. Various peripherals: UARTx 8, SDx 4, USBx 3, SPIx 4, IICx 5, SATAx 1, PWMx 8;
  • 7. Supports OS Linux3.10 QT5.9 and Android7.1

Allwinner Cortex-A7 A40i

Cost efficient, expand commercial grade and industrial grade optional,
superior product performance in stability

A40i Cortex-A7 quad core 1.2GHz system on module pc
A40i Cortex-A7 quad core 1.2GHz system on module pc Pc Phone

SoM 10-layer ENIG PCB designing

SoM FETA40i-C is based on a 10-layer PCB designing

A40i cortex a7 quad core system on module Pc
A40i cortex a7 quad core system on module Pc Phone

Stereo timbre, high-definition output,
and multiple hardware video codec forms. The processor is built in with audio coder.

dual screen Pc
dual screen Pc Phone

A wide range of peripherals

The SoM is scalable form one Gigabit Ethernet, one fast Ethernet, eight UART,
four SD, three USB, four SPI, five IIC, eight PWM, one SATA and two ISO-7816 interfaces

3 USB2.0, 1 SATA, 8 UART, 4 SPI, 5 IIC, 2 MAC Pc
3 USB2.0, 1 SATA, 8 UART, 4 SPI, 5 IIC, 2 MAC Pc Phone

Multiple video capture channels

5.0MP DVP OV5640 camera is supported,
four CVBS-IN analog cameras can be supported syncronously
in NTSC and PAL forms for video recording and previewing

TVIN CVBS DVP OV5640 5.0MP Pc Phone

Versatile power solutions

The SoM is specially designed with low-power PMU AXP221s for precisely control of complex power,
and available for external power mode, Li-ion power mode and USB power mode.

low power PMU, external power supply, Li-battery power supply, USB power supply Pc
low power PMU, external power supply, Li-battery power supply, USB power supply Pc Phone

Optimized system supporting

The SoM is supported with optimized Linux3.10 with QT5.9

Linux3.10 QT5.9 Pc
Linux3.10 QT5.9 Pc Phone


Complies with CE, FCC and RoHS

A40i, CE, FCC, RoHS Pc
A40i, CE, FCC, RoHS Pc Phone

OKA40i-C SBC Pin Diagram

OKA40i-C single board computer consists of SoM FETA40i-C and carrier board

▊ Product Demo Video

▊ FCU2401 Embedded Computer

FCU2401 Embedded Computer

FCU2401 embedded computer is designed based on Allwinner Cortex-A7 featuring quad-core processor A40i @1.2GHZ, it integrates with MAli400MP2 GPU, RAM 1GB(2GB upgradable) and 8GB eMMC. It has a variety of peripheral sources, such as RS485, CAN, ESAM, USB, Ethernet, 4G, WiFi, GPS, LVDS, HDMI, DI, DO, audio and SATA.

Can support HDMI and LVDS, up to 1080P, dual analog cameras input can be used for video monitoring and image analysis, external standard 3.5mm stereo headphone seat, can support a 4Ω 1w speaker.

▊ Hardware Features

Overview of FETA40i-C System on Module
CPU Allwinner A40i
Main Frequency 1.2GHz
Dimensions 68*45mm
Working Temp Width

industrial grade: -40℃~+85℃

expand commercial grade: -25℃~ +85℃

OS Linux3.10, QT5.9
Architecture ARM Cortex-A7
Core Number 4
Storage 8GB eMMC
Package board-to-board connector
Voltage Input DC4.2V
RH 10-90%RH non-condensing

FETA40i-C System on Module Features
Peripheral QTY Spec.
LCD ≤2

RGB888, up to 1920x 1080@ 60FPS


HDMI1.4, 1080P@ 60FPS; HDCP1.2 encryption


two 8-bit data lanes, two clock lanes, up to 1920x 1080@ 60FPS

MIPI_DSI TBD 1 MIPI DSI V1.01& MIPI D-PHY V1.00, 4 data lanes, up to 1080P@ 60FPS
TVOUT 4 4 CVBS output channels, supports NTSC and PAL

CSI0: one 8/ 16-bit DVP, up to 5.0MP, 1080P@ 30FPS

CSI1: one 8/ 16/ 24-bit DVP, up to 5.0MP, 720P@ 30FPS


4 CVBS input channels, supports NTSC and PAL



SD/ SDIO 1-bit or 4-bit transfer modes up to 50MHz

SD/ MMC/ SDIO0: 4-bit data bus(for system image flashing)

SD/ MMC/ SDIO1: 4-bit data bus

SD/ MMC/ SDIO2: 8-bit data bus(for eMMC)

SD/ MMC/ SDIO3: 4-bit data bus


USB2.0 (up to 480Mbps)


USB2.0 (up to 480Mbps)


up to two IIS audio


1-ch differential PHONEOUT, 1-ch stereo earphone output, 1-ch MIC, 1-ch LineIN


Each up to 115200

UART0: 3-wire, debug

UART1: 8-wire

UART2/ UART3: 5-wire

UART4/ UART5/ UART6/ UART7: 3-wire

SPI ≤4

Full duplex serial interface, maximum clock frequency 100MHz, it can be configured to be master or slave mode, two chip selections for multiple peripherals

IIC ≤5 up to 400Kbps
Ethernet ≤2

1x 10/ 100Mbps, auto-negotiation

1x 10/ 100/ 1000Mbps, auto-negotiation

PWM ≤8 can support PWM output and capture input
JTAG supported
KeyPad Port supported Up to 8*8;

6-bit, 2 channels, input voltage 0-2V, for analogy key detection, transfer rate up to 250Hz


ISO/ IEC 7816-3: 1997(E) and EMV2000(4.0)

CIR ≤2
SATA TBD 1 up to 3.0Gbps

OKA40i-C Single Board Computer Features
Dimensions 130mm×190mm
Thickness 1.6mm
PCB Layer 4-layer PCB
Voltage Input DC5V, or USB or 4.2V Li-battery
Working Temp Width -40℃-85℃
RH 10-90%RH non-condensing

OKA40i-C Carrier Board Source
Peripheral QTY Spec.

RGB888, up to 1920x 1080@ 60FPS


Single/ dual channel LVDS, up to 1920x 1080@ 60FPS, multiplexed with LCD;


4 lane MIPI DSI, up to 1080P@ 60FPS


HDMI1.4 with HDCP1.2, up to 1080P@ 60FPS


NTSC and PAL(4-ch TVOUT on SoM and 1-ch on carrier board)


8-bit DVP, up to 5.0MP, OV5640, 1080P@ 30FPS


4x CVBS input

Audio 1

1x MIC, 1x Phone, 1x Speaker

USB Host 3

2x host are expanded by hub, one is CPU native source, USB2.0(up to 480Mbps)


Standard micro USB connector, USB2.0 OTG(up to 480Mbps)

Ethernet 1

10/ 100Mbps, RJ45

WiFi 1 Model: RL-UM02WBS-8723BU-V1.2  WiFi standard: IEEE 802.11b/g/n 2.4GHz  Bluetooth standard: BT V2.1/BT V3.0/BT V4.0
Bluetooth 1

SD Card


1x SD card, for OS iamge flashing;

1x TF card, for data storage;

compatible with SD, SDHC and SDXC


20-pin header with pitch of 2.0mm


Carrier board is preserved with two LED for user's testing


For display backlight


For resistive touching


Stardard mode(100kbit/s) or fast mode(400kbit/s)


UART2 and UART3 are 5-wire ports, UART4 and UART7 are 3-wire ports, 3.3V


ISO/ IEC 7816-3: 1997(E) amd EMV2000(4.0) Specifications

UART Debug 1 RS232, DB9 connector
JTAG Debug 1

One keyADC is available on carrier board, three keys are expaneded, VOL+, VOL-, Home

RS485 1

1x RS485 with power and signal isolation protection


SPI0 for Norflash, SPI2 drawn out by green header


Up to 3.0Gbps

RTC 1 RX8010SJ
3G/4G 1

Mini PCIe interface for 3G/ 4G wireless module

▊ Software Features

OS Linux 3.10
Cross-compiler arm-linux-gnueabihf-gcc  5.3.1
OS Installation by SD card by USB

Linux Kernel

Version: Linux3.10 LCD backlight, 255-adjustable
File system: EXT/NFS/VFAT, etc. LCD driver(7") 1024x600
eMMC driver USB Host driver: U-disk, USB Hub, USB keyboard and mouse
Watchdog driver USB Device driver
RTC driver TF/SD/MMC card driver
IO driver UART driver
Key driver Soc sound card driver
SPI driver Ethernet driver
I2C driver 4G driver
OV5640 driver USB to serial driver
PWM driver HDMI 1080p@60Hz driver
CVBS driver(analogy camera input)x 4 TVOUT driver
Capacitive touch driver LVDS driver (1280x800)

Testing APP

WiFi settings SDIO WiFi STA
USB WiFi module: STA/AP install OS by USB
Telnet IP settings
sshd/sftp server Watchdog
vsftpd FTP backlight adjust
web server--boa key test
4G wireless network touch
SPI test audio record/ play test
UART test hardware decode for video playing
TTL to RS232 camera test
4 analogy cameras input UVC camera
TVOUT output HDMI output
Qt5.9 Qt5.9 OpenGL ES
hardware encode lib, decode lib hardware floating compiler
gdb adb shell remote log in

▊ Accessories

Provides the modules and accessories used in Forlinx's SBC.

See here for communication modules, LCD screen, SBC expansion module and further accessories »

Optional Module
8.0-inch LCD Module with Resistive Touch Panel 7.0-inch LCD Module with MIPI display Forlinx 5G Module
8.0-inch LCD Module with Resistive Touch Panel 7.0-inch LCD Module with MIPI display 7.0-inch TFC LCD Module with Capacitive Touch Panel
7.0-inch TFT LCD Module with Resistive Touch Panel 10.1-inch LVDS Display with Capacitive Touch Panel
7.0-inch TFT LCD Module with Resistive Touch Panel 10.1-inch LVDS Display with Capacitive Touch Panel

Technical Support

Forlinx provides software resources including kernel and driver source code, together with detailed user manual(A40i reference manual), schematic documentations to help customer start their development rapidly.

Forlinx provides embedded hardware reference manual, embedded software reference manual, including Allwinner A40i embedded software Android system reference manual, and Linux system reference manual.

For more details on solution design with A40i SBC

▊ How to buy

1. Order Online

We have an online store on Alibaba, please contact us to start ordering

2. Order offline

pls send your inquiry to our mailbox [email protected];

3. Payment Terms

Samples(100% T/T in advance),Bulk Order(please contact with our sales)

▊ Shipment

1. Delivery: Goods will be sent out by express as requested

2. Lead time: generally, goods could be sent out within five working days for a sample order, for a bulk requirement order, please contact us to check stock status and estimated delivery time.

3. Shipping charge: buyers should bear related shipping cost.

▊ Other Forlinx Allwinner Series Products