Luckfox Lyra Development Boards Feature Rockchip RK3506G2 SoC, MIPI DSI, Optional Ethernet Port

Luckfox Lyra is a Linux micro development board based on the Rockchip RK3506G2 SoC. This multi-core heterogeneous processor integrates a quad-core 32-bit CPU with three ARM Cortex-A7 cores and one ARM Cortex-M0 core, fabricated using a 22nm process. Designed for embedded applications, the board provides efficient performance with low power consumption and versatile connectivity options.

The development board comes with 128MB of DDRL3 memory to support multi-core applications. It includes a 2-line, 22-pin MIPI DSI interface for displays, supporting resolutions up to 1280×800 at 60fps. Additional interfaces, such as RMII, USB, and Rockchip’s Matrix IO design for low-speed peripherals, enhance flexibility and compatibility for custom circuits.

Luckfox Lyra is available in three versions to suit diverse requirements. The base model provides core features, the Lyra B adds 256MB of onboard flash, and the Lyra Plus incorporates 256MB SPI NAND flash along with a 10/100Mbps Ethernet RJ45 connector. These options make the Lyra series adaptable for a wide range of IoT and embedded system applications.

Luckfox Lyra and Luckfox Lyra Plus development board Specifications:

• SoC: Rockchip RK3506G2
• • Triple-core 32-bit ARM Cortex-A7 CPU @ 1.2GHz
  • Single-core ARM Cortex-M0
  • 16KB L1 instruction cache, 16KB L1 data cache, and 128KB unified system L2 cache
• Memory:
  • 48KB system SRAM
  • 128MB embedded DDR3L memory
• Storage:
  • 256MB SLC NAND flash (W25N02KV chip) on Lyra B and Lyra Plus
  • MicroSD card slot for external storage
• Display:
  • 2-lane MIPI DSI interface with up to 1280×800 resolution @ 60fps
• Networking (Lyra Plus only):
  • 10/100Mbps Ethernet via CH182H2 Ethernet chip
• USB:
  • USB Type-C for power and OS flashing
• Expansion:
  • 2x 20-pin GPIO headers with 24 Rockchip Matrix GPIO pins
  • MX1.25 4-pin USB connector for USB Type-A port via adapter cable
• Miscellaneous:
  • 1x USER/ACT LED
  • BOOT and RESET buttons
• Power Supply: 5V via USB Type-C
• Dimensions:
  • Lyra: 51mm x 21mm
  • Lyra Plus: 72mm x 21mm

The Luckfox Lyra development board, powered by the Rockchip RK3506G2 SoC, is designed for applications such as IoT devices, smart audio systems, smart displays, industrial control, and educational equipment. It offers a versatile platform for embedded systems with support for Linux-based operating systems.

Luckfox provides comprehensive software support through the Luckfox-Lyra-SDK, which includes Buildroot, Yocto, application code, kernel, and u-boot. The SDK is primarily developed and tested on the Ubuntu 22.04 LTS platform. Additionally, the board supports Buildroot and Ubuntu 22.04, making it compatible with popular development environments.

The Luckfox Lyra B and Lyra Plus development boards, both supporting Linux, are available for purchase on AliExpress at $15.20 and $18.52, respectively. Alternatively, they can be found on Amazon, with the Lyra B priced at $17.99 and the Lyra Plus at $19.99. For detailed specifications and additional resources, refer to the Wiki pages for Luckfox Lyra Plus and Luckfox Lyra.

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