FET3399-C System on Module

CPU: RK3399

Architecture: Heterogeneous

Frequency: 1.8GHz



System: Linux4.4.189+ QT5.12,Android7.1

FET3399-C System on Module

FET3399-C is a system on module designed based on Rockchip RK3399 processor which consists of two Cotex-A72 featuring cores with frequency up to 1.8GHz and four Cortex-A53 featuring cores with frequency up to 1.4GHz. It's integrated with GPU Mali-T864, can support OpenGL ES1.1/ 2.0/ 3.0/ 3.1, OpenVG1.1, OpenCL and DX11. It has on-board 2GB LPDDR3 RAM and 16GB eMMC. A variety of display interfaces such as HDMI2.0, MIPI-DSI, eDP1.3 and DP1.2 are all available and resolution up to 4K. Dual-screen both synchronous and asynchronous playing are well supported. Besides, it carries PCIe, USB3.0 Host, Type-C, MIPI-CSI, SPDIF, IIC, SPI, UART, ADC, PWM, GPIO, IIS(8 digital micphone array input) and Ethernet on board.

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Overview of SoM FET3399-C


RK3399 hexa-core, Big.Little architecture
Cortex-A72 Core:
• 2x Cortex-A72
• up to 1.8GHz
• 64-bit Armv8
Cortex-A53 Core:
• 4x Cortex-A53
• up to 1.4GHz
• 64-bit Armv8


3D graphical engine:
• quad-core Mali-T860MP4
• can support OpenGL ES1.1/2.0/3.0/3.1
• can support OpenCL 1.2

2D graphical engine:
• source form:
ARGB, RGB888, RGB565, RGB4444, RGB5551, YUV420, YUV422(SupportYUV422SP10bit/YUV420SP10bit)
• target form:
ARGB, RGB888, RGB565, RGB4444, RGB5551, YUV420, YUV422(SupportYVYU422/420 output)

• maximum resolution: source 8192x8192, and target 4096x4096


• H.265/HEVC, up to 4Kx2K @ 60fps
• VP9, up to 4Kx2K @ 60fps
• H.264/AVC, up to 4Kx2K @ 30fps
• MPEG-1,ISO/IEC 11172-2, up to1080P @ 60fps
• MPEG-2,ISO/IEC 13818-2, up to 1080P @ 60fps
• MPEG-4,ISO/IEC 14496-2, up to 1080P @ 60fps
• VC-1, up to 1080P @ 60fps
• MVC based on H.264 or H.265, up to 1080P @ 60fps

• 1080p30 AVC/H.264
• 1080p30 VP8


• 2GB(optional 4GB)
• LPDDR3  1600


• 16GB(optional 32GB)

• eMMC 5.1 storage
• HS400 mode

Working Temperature



46mm x 70mm

Voltage Input



Android 7.1、Linux*

▊ Functional Features

Functional Interface



dual-screen engine up to 4096x 2160 and 2560x 1600, can output from below ports:

CPU has 3 built-in MIPI PHY, MIPI0 can be only used as DSI, MIPI1 can be used as DSI or CSI, MIPI2 can be only used as CSI

each DSI port has 4 data lanes, can support data transferring rate up to 6.0Gbps

each DSI port can support output up to 1080P@ 60FPS

MIPI0 and MIPI1 combination can support output 2560x 1600@ 60FPS

eDP V1.3

RGB 6/ 8/ 10-bit

4 data lanes, each 2.7/ 1.62Gbps

can support PSR

DP x1
Display Port V1.2

compatible with HDCP2.2(backward compatible with HDCP1.3)

only has one built-in DP controller, can output from Type-C*

support outputting up to 4Kx 2K@ 60Hz

HDMI1.4, HDMI2.0

up to 18Gbps port trunks

up to 180P@ 120Hz, 4Kx 2K@ 60Hz, QXGA@ 120Hz

HDCP1.4/ 2.2


I2S/PCM x3
• I2S0/I2S2 can support 8-channel TX/RX. I2S1 can support -channel TX/RX
IIS2 internally connected to HDMI and DisplayPort, IIS0 and IIS1 are for peripherals
audio resolution from 16-bit to 32-bit
• sampling rate up to 192KHz
can support two 16-bit audio data stored in one 32-bit width location
can support two-phase formed stereo audio output
can support 16-bit to 31-bit audio data left or right justified in 32-bit width sampling data frame zone
can support 16-bit, 20-bit, 24-bit audio data transferring in PCM mode
can support none-PCM mode


•  can support one 13.0MP camera or two 8.0MP cameras
• two internal ISP
• one ISP with resolution up to 14.0 MP
• USB UVC camera input


USB Type-C x2(multiplexed with USB 3.0)
• USB Type-C 1.1
• can support USB3.0 Type-C and DP 1.2* can switch to USB Type-C mode
• USB3.0 up to 5Gbps
• DP1.2 up to 5.4Gbps(HBR2), can support 1/2/4 mode*
• DisplayPort with AUX channel*


USB OTG 3.0 x2( contains USB OTG 2.0 x2)
• compatible protocol: USB 3.0、USB 2.0、USB Host 1.1
• USB 3.0 in full-duplex mode up to 5Gbps band width

USB 2.0

USB 2.0 Host x2(separated, not multiplexed with 3.0)
• compatible with USB 2.0
• can support high speed mode(480Mbps), full speed mode (12Mbps) and low speed mode(1.5Mbps)


• can be configured to SD/MMC or SDIO
• compatible with SDIO 3.0
• 4-bit data bus


• Gigabit Ethernet x1
• RGMII is available for 10/100/1000-Mbps
• RMII is available for 10/100-Mbps


SPI x5
• can support serial host and slave mode, software configurable
• operation based on DMA or interrupt
• TX and RX are 32x16-bit FIFO


• operation based on DMA or interrupt
• TX and RX are 64Bytes FIFO
• each serial up to 4.0 Mbps


I2C x7
• multi-host machine I2C
• standard mode up to 100 kbit/s
• fast mode up to 400 kbit/s


PCIe x 1
• compatible with PCI Express revised 2.1
• 4 full-plex channel
• each channel can support 2.5GT/s to each direction
• dual-operation mode: Root Complex(RC) and End Point(EP)


PWMs x 3
• operation based on interrupt
•32-bit timer/ counter
• can support capture mode
• can support continuous mode or one-time mode


ADC x 5
• successive approaching ADC
• switch rate up to 1MS/ s for sampling

▊ Download

Brochure: Forlinx latest catalog

Hardware Manual: OK3399-C/ FET3399-C Hardware Manual

How to buy

Payment term: 100% payment in advance no matter sample orders or bulk purchasing orders.

1. Order Online

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2. Western Union

Tell us which item and model you want to order, and we will send you a PI with Western Union account.

3. Bank Transfer(T/ T)

Tell us model and quantity, and we'll send you a PI with our company's bank account for payment.


Payment term: 100% in advance

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.