Radxa CM3J
Product Description
The Radxa CM3J is a feature-rich industrial-grade compute module based on the Rockchip RK3568J System-on-Chip (SoC). The CM3J integrates a CPU, Power Management Unit (PMU), DRAM memory, eMMC storage, and wireless connectivity (WiFi 5 and BT 5.0) into a compact form factor measuring just 55mm x 40mm. The CM3J offers a cost-effective solution for a wide range of industrial applications.
Key Features
Powerful Multimedia Processing Capabilities
The CPU is built on the advanced ARM Cortex-A55 architecture and integrates a powerful GPU, supporting high-definition video decoding and encoding with compatibility for various video formats and resolutions. Additionally, the RK3568J is equipped with a high-performance DSP and NPU (Neural Processing Unit) for audio processing and AI applications, making it excel in multimedia processing tasks.
Potential for Development
As a powerful development platform, the Radxa CM3J holds great potential for applications in artificial intelligence, edge computing, and embedded systems.
Strong Compatibility
The Radxa CM3J is compatible with the Raspberry Pi CM4 IO Board as well as the WaveShare CM4-POE-UPS-BASE,WaveShare CM4-IO-BASE-B and WaveShare CM4-NANO-B.
Motherboard Preview
Chip Block Diagram
System block diagram
Parameter Configuration
| Model | Radxa CM3J Core Board |
| CPU | Rockchip RK3568J, Quad core Cortex-A55 (ARM v8) 64-bit SoC @ 2.0GHz |
| GPU | ARM G52-2EE GPU OpenGL® ES1.1/2.0/3.0/3.1/3.2 OpenCL® 2.1 Vulkan® 1.1 |
| NPU | The NPU supports INT8, INT16, FP16, and BFP16, with a computing power of up to 1 TOPS @ INT8. |
| Memory | 2GB or 4GB LPDDR4X (depending on the model) |
| Storage | Optional memory configurations: 4GB/8GB/16GB/32GB RAM Up to 256GB onboard eMMC storage, compatible with eMMC 5.1 1x SPI Flash 1x SDMMC0 |
| Display | 1x HDMI TX up to 4096X2160@60Hz 1x 2‑lane MIPI DSI for MIPI LCD and 1x 4‑lane MIPI DSI for MIPI LCD 1x LVDS four lanes(muxed with MIPI DSI0) |
| Hardware Codecs | VP9/H.265/H.264 decode 4K@60fps H.264/H.265 encoder 1080pK@60fps |
| Camera Interface | 1x 4-lane MIPI CSI RX and 2x 2-lane MIPI CSI RX |
| Audio Interface | I2S PDM，supports microphone array SPDIF_TX |
| Input Power | 5V DC |
| Operating Temperature | RK3568J: -40°C to 85°C |
| Security | OTP Secure Boot Arm TrustZone® Security Extensions Secure Video Path, Secure JTAG Debugging Encryption (AES/TDES/SM4/SM3/SHA256/SHA512/RSA) |
| Ethernet | 1000M Ethernet Physical Layer（RTL8211FSI-VS） |
| Wireless | IEEE 802.11 b/g/n/ac wireless LAN (Wi-Fi 5) with an external antenna connector BT 5.0 with BLE |
| Size | 50 mm × 40 mm |