IoT Quad-Core 64-bit Core Board

As a small-scale high-performance IoT core board, Core-3308Y adopts 136 pin stamp hole design and is equipped with Rockchip RK3308 that is dedicated IoT processor. It supports multiple operating systems, speech systems and services, as well as has rich expansion interfaces and strong display drive capability. Core-3308Y is suitable for the field of Internet of Things(IoT).

Quad-core 64-bit Processor

Adopts Rockchip RK3308 dedicated IoT processor which based on ARM quad-core 64-bit Cortex-A35 architecture, frequency up to 1.3GHz, integrated high-performance Codec and Hardware VAD. It can directly support up to 8 channel analog MIC arrays.

Powerful Display Capability

With strong display drive capacity, it supports 4-inch or 7-inch RGB/MCU display and supports resolution ratio up to 1280×720, suitable for scenes regarding screen display application such as human-computer interaction, smart home, etc.

Support IoT Systems And Services

It can support a variety of voice systems and services, such as Buildroot(Linux/QT)embedded system, ROS(Robot os), and iFLYTEK, Amazon Alexa. Rich operating systems/services support can use for IoT, intelligent speech recognition and other products easily.

Support Multi-touch

It supports multi-touch, quick response, sensitive touch, stable and smooth operation.

Small-scale Core Board

Equipped 136 pin stamp hole interface allows fast data transmission and great expansion performance. With only 45mm x 40.2mm, it is beneficial to save more space.

Form IoT Main Board

Core-3308Y can be combined with high-performance backplane to form the IOT industry motherboard, which can be used after power on, with richer interfaces and wider applicability, and can be directly applied to the project.

Rich Expansion Interfaces

With multiple expansion interfaces such as PWM×11 (including multiplexing), I2C×4、UART×5、SPI×1、I2S×1、ADC×6、LineOut, and digital audio interface (8CH I2S/TDM x 2, 8CH PDM, 2CH I2S/PCM). It also supports modules such as acceleration sensor, temperature humidity sensor, distance sensor, GPRS, and NB-IOT.

Voice Call

Not limited by transmission distance, keep the call in the place with network, realize functions such as sensitive word filtering and the automatic storage of call recording. It widely used in fields such as finance, education, transportation, medical treatment, etc.

Smart Home

Equipped with touch screen, realize human-computer interaction, supports functions such as voice control and remote management. It's great for scenes such as entrance guard, kitchen, appliances and bathroom to construct smart and convenient living conditions.

 Smart Sweeping Robot

It with interfaces such as PWM, I2C, SPI, etc., which can be connected with components such as lidar sensor, ultrasonic sensor, infrared sensor, hall sensor and LED indicator, etc., to realize functions of accurate positioning, obstacle avoidance, fall prevention, intelligent path planning, smart alarming, automatic recharging detection, etc.

Open SDK

Equipped source code, tutorial, technical materials, and development tools are provided, making development easier and more convenient.


Widely used in scenes such as IoT, intelligent voice interaction, audio input or output, etc.

    • Smart speaker

    • Intelligent home appliances

    • Intelligent vehicle

    • Sweeping robot

    • Voice recognition

    • Speech translation

    • Smart player

    • Human–Computer interaction



RK3308 (28nm process)


Quad-core 64-bit ARM Cortex-A35, frequency up to 1.3GHz


256M DDR3 (128MB ~ 512MB)


4GB eMMC : support 4G/8G/16G/32G/64G/128G

NandFlash : support 128MB/256MB

SPI Flash:16MB ~ 512 MB

Support MicroSD (TF) Card Slot extension

Hardware Features

10M/100M bps Ethernet (RJ45 interface)


Provide SDIO 3.0 signal, support 2.4GHz WiFi, support 802.11/b/g/n protocol

Support Bluetooth 4.2


Support RGB / MCU display (up to 720P)


With built-in audio CODEC, including ADC x 6

Integrated high-performance Codec and Hardware VAD, supporting up to 8-channel MIC array

Support digital audio interface(8CH I2S/TDM x 2, 8CH PDM, 2CH I2S/PCM)


USB 2.0 × 1、USB2.0 × 1(OTG)


Debug UART × 1, be used for development and debugging


Support PWM×11 (including multiplexing), UART×5, ADC×6, I2C×4, SPI×1, I2S×1, LineOut

Support digital audio interface (8CH I2S/TDM x 2, 8CH PDM, 2CH I2S/PCM)

support modules such as acceleration sensor, temperature humidity sensor, distance sensor, GPRS, and NB-IOT


Support multiple operating systems, such as Buildroot, Linux + MiniGUI/QT, ROS(Robot Operating System)

Support multiple speech systems and services, such as Baidu DuerOS, AISpeech, iFLYTEK, and Amazon Alexa

Size 45mm × 40.2 mm
Type Interface (136Pin, 1.2mm pitch)
PCB 6-layer board design