FET1126Bx-C System on Module

CPU: Rockchip RV1126B/RV1126BJ

Architecture: 4x [email protected]

Frequency: 1.3GHz,1.6GHZ

RAM: 1GB/2GB/4GB LPDDR4

ROM: 8/16/32/64GB eMMC

System: Linux 6.1

Brief Message Compare

Rockchip RV1126B / RV1126BJ System-on-Module | 3 TOPS Edge AI SoM

Accelerate your Edge AI and machine vision projects with the Forlinx FET1126B-C/FET1126BJ-C System on Module/Computer on Module. Featuring the Rockchip RV1126B/BJ, this industrial-grade SoM delivers 3 TOPS NPU compute, ultra-low power AOV, and 10-15 years of guaranteed availability. Ideal for smart security, industrial IoT, and edge analytics.

Highlights:

  • 3 TOPS Edge AI: Quad-core Cortex-A53 with dedicated NPU, enabling localized object detection and RKNN support.
  • Ultra-Low Power (AOV): Always-On Video/Audio achieves 0.007W in sleep+camera mode for battery-powered devices.
  • Advanced 4K Vision: Built-in AI ISP and VPU for parallel H.264/H.265 hardware encoding/decoding and dual MIPI-CSI.
  • Industrial Grade & Longevity: Wide operating temps (-40°C to +85°C for RV1126BJ) with a 10-15 year supply guarantee.
  • Compact & I/O Rich: 36mm × 56mm footprint exposing RGMII, CAN FD, UART, and SPI via reliable connectors.
  • Production-Ready BSP: Linux 6.1.141 support with complete hardware files and ready-to-test AI algorithms.

Rockchip Strategic Partner

FET1126BJ-C SoM

3TOPS NPU | Edge AI | AOA+AOV Support | 10-15 Year Longevity

Rockchip RV1126B/RV1126BJ System on Module/Single Board Computer

Functional Diagram


Rockchip RV1126B/RV1126BJ System on Module/Single Board Computer Functional Diagram of RV1126B/RV1126BJ Processor

Robust Vision Engine for Multi-Stream Analysis

Compared to the RV1126, it offers three major enhancements: boosted CPU and NPU performance, plus an upgraded OS. Enjoy a more powerful, intelligent, and seamless device AI journey.

Rockchip RV1126B/RV1126BJ System on Module/Single Board Computer Robust Vision Engine for Multi-Stream Analysis

FET1126B‑C / FET1126BJ‑C SoM

Designed in an ultra-compact footprint (56 × 36 mm), the FET1126B-C/FET1126BJ-C SoM uses three 80-pin board-to-board connectors (240 pins total; 0.5 mm pitch, 2.0 mm mated height) for reliable assembly.
All RV1126B/RV1126BJ I/Os—camera, display, audio, Ethernet, and serial buses—are fully accessible, enabling flexible carrier-board expansion and custom development.

Rockchip RV1126B/RV1126BJ System on Module/Single Board Computer

▊ Hardware Features



FET1126Bx-C SoM Parameters
Processor Rockchip RV1126B Rockchip RV1126BJ
CPU: 4×Cortex-A53, up to 1.6GHz CPU: 4×Cortex-A53, up to 1.3GHz
NPU: 3 TOPS@INT8
GPU: No 3D GPU; supports 2D RGA only
ISP: VICAP input: RX raw8/raw10/raw12/raw14/raw16
Maximum input: 12M@20fps
Minimum input: 264x264
AI ISP: Maximum input: 8M@30fps
Maximum Resolution: 4096 x 4096
VPU Video Decoder:
- Supports H.264 and H.265 hardware decoding
- H.265 HEVC/MVC Main Profile [email protected] up to 3840x2160@30fps
- H.264 AVC/MVC Main Profile yuv400/yuv420/[email protected] up to 3840x2160@30fps

VPU Video Encoder:
- Supports HEVC, H.264 and JPEG hardware encoding
- Supports parallel encoding (HEVC+JPEG or H.264+JPEG)
- Supports up to 12M@30fps

JPEG decoder:
- Supported image resolutions: 48x48 to 65520x65520
- Supports YUV400/YUV420/YUV422/YUV440/YUV411/YUV444
RAM 1GB/2GB/4GB LPDDR4
ROM 64GB eMMC 8GB/16GB/32GB/64GB eMMC
Operating Temperature -20℃ ~ +85℃ -40℃ ~ +85℃
Operating Voltage DC 5V
OS Linux 6.1.141
Flashing USB OTG, TF
Connection Ultra-thin board-to-board connector (3*80pin, 0.5 mm pitch, total height 2.0 mm)
FET1126Bx-C SoM Function Parameters
Function Quantity Parameter
Display 1 Supports 1 x display output, with a maximum resolution of 1920*1080@60fps
Supports various display interfaces:
- RGB: 24bit
- MIPI-DSI: 4lane, 1.5Gbps/lane
- BT.656/BT.1120
MIPI CSI ≤2 Supports 2 x 4lane, 2.5Gbps/lane
- Supports two MIPI CSI/LVDS/SubLVDS DPHYs
- Each MIPI DPHY V1.2, 4lane, 2.5Gbps/lane
- Each interface can be configured as a 2x2 data channel port
- Virtual channels are supported
DVP 1 Supports 8/10/12/14/16-bit, with an I/O frequency of up to 150 MHz
Supports BT.601/ BT.656 and BT.1120 Input
Ethernet 1 1 x MAC, which can be used for either one RGMII interface or one 100 Mbit/s interface (the CPU has one integrated 100 Mbit/s PHY)
USB 2 1 x USB 2.0 Host
1 x USB 2.0/3.0 DRD
UART ≤8 The maximum supported baud rate is 4 Mbps; UART1–UART7 support automatic flow control.
CAN ≤2 Supports CAN2.0/B
SDIO 3.0 ≤2 1 x TF card slot, supporting high-speed cards; 1 x SDIO interface, 3.3V logic level
DSMC ≤1 1 x host interface, which can be used to connect to an FPGA
Supports 4 chip-select signals and 8-wire or 16-wire serial transmission modes
FSPI ≤1 Supports boot-up; 1/2/4-bit modes
SPI ≤2 Configurable master-slave mode
I2C ≤5 Supports 7bits and 10bits address modes up to 1 Mbit/s
PWM ≤27 Supports up to 27 channels of PWM.
ADC ≤24 24 single-ended inputs, 13bit, 2 MSPS
SAI ≤3 Configurable master-slave mode
Audio ADC ≤2 2 x differential MIC inputs, 2 x Audio DSM differential outputs
GPIO ≤118 The total quantity excluding the internal use of the SoM

Note*: Note: The parameters in the table are based on hardware design or theoretical CPU values.

▊ Carrier Board

Rockchip RV1126B/RV1126BJ Development Board
Build Faster with OK1126Bx-C Development Board

Skip the complexity of hardware design with the OK1126Bx-C development board. This production-ready platform combines a proven SoM + Carrier architecture, allowing you to bypass low-level circuitry and focus entirely on your software. Seamlessly transition from initial concept to mass production with minimal risk and comprehensive Linux support.

OK1126Bx-C Development Board Function Parameters
Function Quantity Parameter
TF Card 1 Data rate up to SDR104;
KEY 3 CPU Reset, Boot Options and Wake-up Button
UART Debug 1 Integrated into a single Type-C port, enabling connection to a PC for debugging.
USB2.0 2 1 x USB_HOST port is connected via a USB socket; 1 x USB_OTG port is connected via a Type-C connector for use with OTG programming or, when combined with USB 3.0, via a USB 3.0 socket.
USB3.0 1 The USB 3.0 host is connected to the USB 3.0 socket.
WiFi Bluetooth (1) 1 Single antenna 2.4G&5GHz
Wi-Fi Dual-band 1X1 802.11ac + Bluetooth 4.2
SPI 1 SPI1 is routed out via the Raspberry Pi’s 40PIN header
RTC 1 Powered by an external CR2032 button cell; data retention time when power is off
Ethernet 1 Featuring a standard RJ45 socket, with either a 100 Mbps port or a 1 Gbps port, the RV1126B is equipped with a single GMAC controller. This allows it to provide RMII/RGMII interfaces for connecting external 100 Mbps or one Gbps Ethernet PHY chips, or to switch to the built-in 100 Mbps FEPHY. Only one of these options can be selected at a time; they cannot be used simultaneously.
UART 1 UART5 is routed out via the Raspberry Pi’s 40PIN header
I2C 2 I2C3 and I2C4 are connected via the Raspberry Pi’s 40PIN header
SPEAKER 1 Through the power amplifier chip, it can be connected to an external 4Ω–3.3W speaker.
MIC 2 One channel is connected to the onboard electret microphone, and the other channel is not externally accessible.
ADC 7 7 x ADC are routed out via pin headers.
MIPI-CSI 2 Routed out via an FPC connector, 4 lanes + 4 lanes.
LCD 1 Routed out via pin headers, supports capacitive touch screens.
MIPI_DSI 1 4-lane MIPI-DSI, supports capacitive touch screens

Note: The parameters in the table are based on hardware design or theoretical CPU values.WiFi/Bluetooth is currently not supported in this version; the carrier board circuit can be referenced.

▊ Accessories


Please click here to get more information about the supported modules and accessories.

▊ Documentation


Reference Manuals

Hardware Related

Product Datasheet

User Guide

Carrier Board Schematic

Carrier Board PCB

SoM Pinmux

Software & BSP

OS Image

Testing Demo

Source Code

Manual

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