Part Number: Luckfox Lyra Ultra W LCD Kit B Luckfox Lyra Ultra RK3506B Linux Micro Development Board, Onboard 8GB eMMC, Integrates Triple-core ARM Cortex-A7 and ARM Cortex-M0 Processors Triple-core ARM Cortex-A7 32-bit core, with integrated VFP to support single- and double-precision floating-point operations Built-in ARM Cortex-M0 MCU design, supports SMP and AMP configuration. Supports DDR2 / DDR3 / DDR3L memory interface expansion, meeting various expansion needs The low-speed interfaces adopt Rockchip Matrix IO design, which allows rich function signals to share the limited chip pins, making peripheral circuit adaptation more flexible