The OKdo ROCK 3 CM3S is Powered by RK3566 SoC

24 December, 2023

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The OKdo ROCK 3 CM3S is a compact compute module based on the RK3566, equipped with up to 2GB LPDDR4X RAM. Designed for advanced IoT and embedded systems, it offers robust computing and graphics performance.

We have previously explored similar System on Modules (SoMs) such as the Turing RK1, Variscite’s VAR-SOM-MX93, and MYIR MYC-JD9360. Feel free to check them out if you’re interested.

The RK3566 features a Quad-core Cortex-A55 CPU (up to 1.8GHz), ARM Mali G52 GPU, and 0.8 TOPS@INT8 NPU for efficient processing. It offers up to 2GB LPDDR4X RAM and 32GB eMMC 5.1 storage and includes the AMPAK AP6212 with Wi-Fi 4 and Bluetooth 4.2 for wireless connectivity.

Other features interfaces and expansion options include SATA 3.0/PCIe 2.1 combo port, USB 2.0 OTG, and various IO ports for extensive peripheral connectivity.

The device is compatible with the ROCK CM3 SODIMM I/O Board in a Half mini-ITX form, featuring multiple USB ports, PCIe and SATA connectors, a microSD slot, an Ethernet port, and a 40-GPIO pin header.

Specifications and Features of OKdo ROCK 3 CM3S SODIMM:

Processor:
- CPU: Quad-core Arm® Cortex®-A55 (ARMv8) 64-bit @ 1.6GHz
Graphics & Neural Processing Unit:
- GPU: Arm Mali™-G52-2EE
- Supports OpenGL®1/2.0/3.0/3.1/3.2, Vulkan® 1.1, OpenCL™ 2.1
- NPU: 8 TOPs@INT8, compatible with TensorFlow, Caffe, Tflite, Pytorch, Onnx, Android™ NN
Memory & Storage:
- Memory: 32bit LPDDR4X 1GB
- Display Support: HDMI2.0, Dual MIPI-DSI
Video & Audio Capabilities:
- Video: 4K H.265/H.264/VP9 decoder, 1080p@60fps H.264/H.265 encoder
- Video Input: 8M Pixel ISP, 1 x 4 lanes or 2 x 2 lanes MIPI CSI-2, DVP interface
- Audio Interface: I2S0/I2S1 (8 channels), IS2/I2S3 (2 channels)
Connectivity & Interfaces:
- High-Speed Interfaces: SATA 3.0/PCIe 2.1 combo port, USB 2.0 OTG
- Additional Ports: PCIe 2.0 (1 lane), SATA 3.0 (shared with PCIe), USB 2.0 OTG, SDIO 3.0
- HDMI: Up to 4K x 2K@60Hz
- Camera Ports: 2 x 2 lane or 1 x 4 lane MIPI CSI
- Display Ports: 1 x MIPI DSI 2 lane, 1 x MIPI DSI 4 lane
Security Features:
- Includes Arm TrustZone®, Secure Video Path, Secure JTAG, Secure boot, OTP, Crypto (AES/TDES/SM4/SM3/SHA256/SHA512/RSA)
General Interfaces:
- Up to 5 x I2C, 3 x SPI, 8 x UART, 12 x PWM, 60x GPIO, 1 x ADC, 2 x I2S
Power & Mechanical:
- Power Input: 3V ~ 5V
- Connector: 260 pins SODIMM golden finger edge connector
- Form Factor: DDR2 SODIMM, dimensions 67.6mm x 32mm
Compatibility & Applications:
- Operating Systems: Compatible with Ubuntu 20.04, Debian 10, Buildroot, YOCTO, Android 11/12
- Ideal for robotics, HMI, vending machines, smart home applications, IoT gateways, industrial control solutions, and more.

The module is compatible with Ubuntu 20.04, Debian 10, Buildroot, YOCTO, and Android 11/12, with additional resources available on the Radxa Wiki for the Compute Module 3 Series.