DSOM-050R-J RK3308 System on Module

Model: DSOM-050R-J Category:

The DSOM-050R-J is an advanced system-on-module equipped with a RockChip RK3308 quad-core Cortex-A35 processor for efficient performance, complemented by a RAM of up to 512MB DDR3 and eMMC storage up to 8GB, offering a powerful and reliable solution for various IoT applications by balancing processing power, memory, and storage capabilities.

  • Featuring a compact form factor and sufficient GPIO interfaces
  • Size 45mm*40.2mm
  • eMMC up to 8GB
  • RAM up to 512MB DDR3
  • Support power sleep and wake-up
  • Supports Buildroot, Linux + MiniGUI/QT, ROS
  • Supports 100M wired Ethernet
  • Leads out 136 PIN pins, 1.2mm pitch, including all CPU pins
  • RoHS certified


Quick View of DSOM-050R-J System on Module

DSOM-050R-J RK3308B system on module adapts 136 pin stamp hole design and is equipped with RK3308B, an IoT-focused processor with a quad-core 64-bit Cortex-A35 architecture that can run at a maximum frequency of 1.3Ghz.  The DSOM-050R-J is a variant of the DSOM-050R System-on-Module, specifically designed for applications that require higher memory capacity.

This powerhouse is enhanced by a memory of up to 512MB DDR3 and an eMMC storage that can be expanded up to 8GB, providing an efficient balance of processing capability, memory, and storage. It boasts an integrated high-performance Codec and hardware VAD (Voice Activation Detection) and is compatible with a variety of operating systems, speech systems, and services.

Its versatile hardware interfaces feature GPIO, I2C, SPI, UART, SDIO, PWM, I2S, and PDM, which grant diverse connectivity options to suit differing application requirements. Facilitating seamless development, the DSOM-050R-J offers abundant development resources, including SDKs, API references, and module datasheets. This module serves as a dependable solution for various IoT applications, ranging from smart homes to industrial automation, thus exemplifying it as an ideal choice for developers seeking power, flexibility, and extensive resources.

Dimensions and Package of DSOM-050R-J SOM

rk3308b dimension
rk3308b Package List
Package List

Parameters of DSOM-050R-J RK3308B SOM

CPU Quad-Core ARM® Cortex-A35 64-bit processor, Frequency up to 1.3GHz
Storage eMMC 8 GB
Power Management Isolated DC/DC Converters that support dynamic frequency scaling
Operating Voltage Typical voltage 5V/0.5A
OS Buildroot, Linux + MiniGUI/QT, ROS (Robot Operating System)
Temperature Operating Temperature: -10°C ~60 °C Storage Temperature: -40 °C ~85 °C
Humidity 10~95%(Non-condensing)
Barometric Pressure 76Kpa ~106Kpa
Size 45mm×40.2mm x 3.35mm
Ethernet 1 X 10M/100MHz RMII Ethernet interface needs an external PHY chip
LCD Parallel RGB LCD interface supports RGB888, ARGB888, RGB565, YCbCr422, YCbCr420, YCbCr444
Audio The system provides a rich set of digital and analog audio interfaces, including support for I2S, PDM, TDM, and SPDIF.
● built-in stereo headphone and line-out outputs and support for up to six channels of analog microphone input
● supports 8-channel I2S/TDM x 2, 8-channel PDM, and 2-channel I2S/PCM.
● supports up to 8-channel microphone array with echo cancellation
UART 5 X Serial Ports and flow control are supported on all four channels except for UART2.
I2C 4 X I2C
PWM 11 X PWM output, including multiplexed channels
USB 2.0 2 X USB2.0, one of which is for OTG
USB 3.0 1 X USB3.0
Ethernet the main chip integrates a 100M Ethernet chip
GPIO Defined features
Upgrade supports local firmware upgrades via USB interface

Use Cases of DSOM-050R-J System on Module

iot gateways
IoT Gateways
Smart Speakers
Smart Speakers
home appliances
Smart Displays
smart home
Voice Assistants
industrial embedded computer
Industrial Control

Developer Resources of DSOM-050R-J SOM

Coreboard Development
[Software Quickstart] DSOM-050R SDK Quick Start Guide V1.0
[Hardware Quickstart] Rockchip RK3308B Datasheet V1.2-20190509.pdf V1.1
[SDK] DSOM-050R-DB-SDK V1.0.0
[Firmware] DSOM-050R-DB-Image V1.1.0
Carrier Board Development
[Carrier Board Datasheet] DSOM-050R RK3308B Key Components of Development Board Manual
[Carrier Board Shematic] DSOM-050R RK3308B Carrier Board Shematic
[Flash Tool] RKDevTool_Release_v2.8.zip V2.8
[Driver Assistant] DriverAssitant_v5.1.1.zip v5.1.1

DSOM-050R-J Model List

Model RAM eMMC
DSOM-050R-J 512MB 8GB

Additional information

Product Type


Chip Platform


CPU Name






System support


Operating Temperature


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