Item specifics
Description
Luckfox Lyra B Product Overview
The Luckfox Lyra B is a micro Linux development board from LUCKFOX based on the Rockchip RK3506G2 chip, designed to provide developers with a simple and efficient development platform. Built on a 22nm process, the Luckfox Lyra B features a triple-core Arm Cortex-A7 (1.2GHz) processor and an Arm Cortex-M0 real-time core in a heterogeneous multicore architecture, supporting SMP and AMP configurations. The Luckfox Lyra B is equipped with 128MB DDR3L memory and 256MB SPI NAND Flash (B version), supporting a MIPI DSI 2-lane display interface (up to 1280×800@60Hz), 2 × USB OTG2.0 ports, and 24 Rockchip Matrix IO pins. With compact dimensions of only 51×21mm, the Luckfox Lyra B is widely used in IoT devices, smart audio, smart displays, industrial control, and educational applications.
Luckfox Lyra B Key Features
Heterogeneous Multicore Processor Architecture: The Luckfox Lyra B is powered by the RK3506G2 processor built on a 22nm process, integrating a triple-core Arm Cortex-A7 32-bit core (1.2GHz) and an Arm Cortex-M0 MCU real-time core. The Cortex-A7 cores of the Luckfox Lyra B feature an integrated VFP (Vector Floating-Point Unit) supporting single and double-precision floating-point operations; the Cortex-M0 core supports SMP and AMP configurations for multi-core operation.
Large Storage Capacity: The Luckfox Lyra B provides onboard 128MB DDR3L memory for multi-core application needs. The Luckfox Lyra B series features 256MB SPI NAND Flash (W25N02KV chip), allowing users to choose between Flash or TF card as the storage medium. The standard Luckfox Lyra requires a separately purchased Micro SD card.
MIPI DSI Display Interface: The Luckfox Lyra B includes an onboard MIPI DSI 2-lane interface, supporting up to 1280×800@60Hz resolution for easy driving of large displays.
Rockchip Matrix IO Flexible Pins: The Luckfox Lyra B provides 24 Rockchip Matrix IO pins sharing 98 multiplexed functions, allowing flexible configuration of PWM, UART, I2C, SPI, and I2S functions. Supports RMII Ethernet interface (with expansion board).
High-Speed USB Interfaces: The Luckfox Lyra B is equipped with 2 × USB OTG2.0 ports, supporting Type-C power supply and program flashing. Onboard USB MX1.25 4P connector for USB Type-A conversion via adapter cable.
Audio/Video Codec Capability: The Luckfox Lyra B has a built-in audio/video codec supporting multiple audio inputs and outputs for high-quality audio playback and recording.
Rich Onboard Resources: The Luckfox Lyra B includes USB Type-C port (power and flashing), BOOT button (press on power-up to enter download mode), RESET button, Micro SD card slot, and ACT-LED user indicator.
Luckfox Lyra B Applications
The Luckfox Lyra B development board is widely used in:
IoT Devices: The Luckfox Lyra B is ideal for low-cost, low-power IoT gateways and sensor nodes
Smart Audio Devices: The Luckfox Lyra B enables high-quality audio playback and recording with built-in codec
Smart Display & HMI: The Luckfox Lyra B can drive 1280×800 resolution displays via MIPI DSI for industrial HMI and smart home control panels
Industrial Control: The Luckfox Lyra B's triple-core Cortex-A7 + Cortex-M0 heterogeneous architecture handles both high-performance computing and real-time control
Education & Development: The Luckfox Lyra B supports Buildroot and Ubuntu 22.04 with comprehensive SDK and open-source resources
Edge Computing & Prototyping: The Luckfox Lyra B's compact 51×21mm size allows easy embedding into product prototypes
Luckfox Lyra B Key Advantages
Heterogeneous Multicore for Performance and Real-Time: The Luckfox Lyra B's triple-core Cortex-A7 (1.2GHz) handles high-performance applications and Linux, while its Cortex-M0 handles low-latency real-time control tasks, supporting SMP and AMP configurations.
MIPI DSI Display Interface for Large Screens: The Luckfox Lyra B features an onboard MIPI DSI 2-lane interface supporting up to 1280×800@60Hz – a rare display interface among micro Linux development boards.
Rockchip Matrix IO for Flexible Configuration: The Luckfox Lyra B provides 24 pins sharing 98 multiplexed functions for flexible PWM, UART, I2C, SPI, and I2S configuration.
Onboard 256MB Flash – Ready to Use: The Luckfox Lyra B series features 256MB SPI NAND Flash for out-of-the-box use without additional TF cards. The Luckfox Lyra B also retains a TF card slot for dual storage media flexibility.
Ultra-Compact 51×21mm Form Factor: The Luckfox Lyra B measures only 51×21mm – rich interfaces in a minimal footprint.
22nm Advanced Process for Low Power: The Luckfox Lyra B is built on 22nm process for efficient power control while maintaining performance.
Comprehensive Software Ecosystem: The Luckfox Lyra B supports Buildroot and Ubuntu 22.04 with customized images, comprehensive SDK, and open-source resources.
High Cost-Performance Linux Platform: The Luckfox Lyra B offers a complete Linux development environment at an extremely competitive price, often outperforming many MCU boards.
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FAQ
1 What is the Luckfox Lyra development board
The Luckfox Lyra B is a micro Linux development board based on the Rockchip RK3506G2 chip, designed by Luckfox to provide a simple and efficient platform for embedded developers.
2 What is the processor architecture of this board
The Luckfox Lyra B uses a heterogeneous multi core design with a tri core Arm Cortex A7 running at up to 1.2Ghz and an Arm Cortex M0 MCU. It also integrates VFP to support single and double precision floating point operations.
3 What are the memory and storage configurations
The Luckfox Lyra B has 128MB of DDR3L RAM onboard. The standard version relies on a Micro SD card for storage while the Lyra B series features 256MB of SPI NAND Flash onboard.
4 How many versions does this board come in
The Luckfox Lyra B is one of four versions in the series: the standard version without headers, the M version with yellow soldered headers, the B version with 256MB Flash, and the B M version with both headers and Flash.
5 What is special about the GPIO pins on this board
The Luckfox Lyra B features 24 Rockchip Matrix IO pins utilizing a matrix design that supports 98 multiplexing functions, allowing flexible combinations for PWM UART I2C SPI and I2S peripherals.
6 What hardware interfaces are onboard
The Luckfox Lyra B is equipped with two USB OTG2.0 ports, a MIPI DSI 2 lane display interface, and a standard USB Type C port for easy connection to various external peripherals.
7 Does this board support audio functionality
Yes, the Luckfox Lyra B supports audio. It features a built in audio and video codec supporting multiple audio inputs and outputs to provide high quality audio playback and recording capabilities.
8 What storage differences should be noted when buying
Special attention should be paid to the storage medium. The standard version requires an additional Micro SD card, while the Luckfox Lyra B series has 256MB Flash onboard and is ready to use without an extra memory card.
9 What application scenarios is this board suitable for
The Luckfox Lyra B is suitable for embedded Linux system learning, IoT gateway development, industrial control system development, and audio video processing projects requiring heterogeneous computing capabilities.
10 What OS and development tools does the board support
The Luckfox Lyra B runs the Linux operating system and comes with a complete official SDK, allowing developers to use mainstream languages such as C and C plus plus for advanced application development.