Description Waveshare Luckfox Core3506 Core Board Based On Rockchip RK3506B Chip is a compact core board designed for embedded Linux products, industrial control, smart displays, audio devices, and custom IoT hardware. This SKU corresponds to the Core35060800 version, which is the without eMMC variant and is built around the Rockchip RK3506B with a triple-core Cortex-A7 plus Arm Cortex-M0 architecture. The Core3506 is designed to simplify hardware development by exposing rich interfaces through 120PIN castellated holes. It supports MIPI DSI, RMII Ethernet, USB, and Rockchip Matrix IO resources for fast integration into carrier boards and finished devices. This Core35060800 version is aimed at designs that prefer flexible external storage schemes instead of onboard eMMC. Features Rockchip RK3506B SoC with triple-core Arm Cortex-A7 and Arm Cortex-M0. 512MB DDR3L onboard memory for embedded Linux workloads. Without onboard eMMC, suitable for designs that use external storage planning. 120PIN castellated holes for easier carrier board integration and product development. MIPI DSI 2-lane interface supporting up to 1280 × 1280 @ 60fps. 2 × USB OTG 2.0 for flexible connectivity. 2 × 10M / 100M RMII Ethernet interfaces for network-capable embedded designs. Rockchip Matrix IO with flexible multiplexing for peripheral adaptation. Analog differential microphone interface and additional embedded resources such as ADC and FSPI. Compact 32 × 32 mm form factor for space-constrained products. Specifications Model Core35060800 Processor RK3506B CPU Tri-Core Arm Cortex-A7 1.2GHz + Arm Cortex-M0 Memory 512MB DDR3L Storage None onboard USB USB OTG 2.0 × 2 Display Interface MIPI DSI 2-lane, up to 1280 × 1280 @ 60fps RM_IO 32 × Rockchip Matrix IO pins Ethernet 10M / 100M RMII interface × 2 Microphone Analog differential MIC interface × 1 Storage Expansion Support SPI FLASH / eMMC / SDMMC Other Resources ADC × 4, FSPI × 1, and more Dimensions 32 × 32 mm Castellated Holes 120PIN Applications Industrial control products that need a compact Linux-capable core board. Smart display devices using the onboard MIPI DSI interface. Smart audio equipment requiring embedded audio support. IoT edge devices that need Ethernet, USB, and flexible RM_IO expansion. Custom carrier board projects using castellated holes for quick integration. Education and prototyping where fast hardware verification helps shorten R&D cycles. Product List Core35060800 × 1 Other Content Version options exist in the Core3506 family, and this SKU is specifically the Core35060800 version without eMMC. Highly integrated and powerful performance is one of the main strengths of this core board, especially for products that need flexible peripheral routing and compact SoM-style deployment. Development resources and what's on board are important when using this module in a custom carrier board or embedded product design. Product show is also useful for understanding the physical layout of the module before integration. Some pin resources are multiplexed, so detailed interface mapping should be checked in the documentation before hardware design. You can also review OpenELAB articles on Waveshare ecosystem and embedded device setup basics for related development context. Resources Core3506 wiki Luckfox Lyra documentation Luckfox documentation center Luckfox official documentation portal Waveshare documentation center FAQ Q: Which version does this SKU correspond to?A: This SKU corresponds to the Core35060800 version, which is the variant without onboard eMMC. Q: What processor does Core3506 use?A: It uses the Rockchip RK3506B with a tri-core Cortex-A7 plus an Arm Cortex-M0. Q: Is this a full development board or a core board?A: It is a core board designed for integration into custom hardware through castellated holes and exposed embedded interfaces. Q: What kinds of products is it suitable for?A: It is suitable for industrial control, smart displays, IoT terminals, audio devices, and other embedded Linux products.
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