NB2L (LF555)-LeapFive

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Terminal Devices

NB2L (LF555)

Product Description

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Target Applications

Terminal Devices

Applications

Documentation

Features

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Overview

LeapFive® LF555 is a high-end edge application processor that provides abundant computing resources and various interfaces, designed for edge computing, audio, video, and diverse industrial IoT applications.

Features

• Based on RISC-V architecture

• High cost-effectiveness and energy efficiency

• Multiple heterogeneous computing capabilities

• Enhanced security architecture

• Extensive peripheral interfaces

Features

Quad-Core RISC-V 64-bit Processor

• Clock Speed: 1.5GHz

• Instruction Cache: 32KiB

• Data Cache: 32KiB

• L2 Cache: 1MB

Hardware Acceleration Engines

• 3D GPU

• Audio Processor

• H.265 Video Codec

• JPEG Image Codec

Storage Support

• DDR4/LPDDR4 2666MT/s

• QSPI NOR Flash

• eMMC 5.0

High-Speed Interfaces

• 1 x USB 2.0 DRD

• 1 x USB 3.0

• 2 x Gigabit Ethernet

• 2 x SDIO 3.0 (1 for eMMC)

• 1 x PCIe 2.0

• 1 x MIPI DSI

• 1 x HDMI 2.0

Industrial Interfaces

• 6 x UART

• 4 x SPI

• 4 x I2C

• 4 x PWM

• 2 x CAN2.0B

• 2 x I2S

• GPIO

Chip Block Diagram

Technical Specifications

Item	Parameter
CPU	Quad-core RISC-V Core @ 1.5GHz, 64-bit RV64GC
GPU	600MHz supports OpenGL ES3.2, OpenCL 3.0, Vulkan 1.2
Video Codec	Hardware decoding: 4K @ 60fps H.264/265, JPEG Hardware encoding: 1080p @ 30fps H.265, JPEG
Audio Processor	32-bit Audio DSP, supports floating-point instructions
Operating Power	Typical: 5W
Operating Temperature	–40°C ~ 85°C
Package	FCBGA 17x17 mm, 0.65 pitch, 625 pin

Industrial IoT

▪ Industrial Gateways

▪ Factory Automation

▪ CNC Machines

▪ Robotics

Smart Energy

▪ Integrated Terminals

▪ Smart Energy Units

▪ Relay Protection

▪ Concentrators

Smart Logistics

▪ Access Gateways

▪ Smart Warehousing

▪ Intelligent Sorting

Smart City

▪ Smart Transportation

▪ Smart Buildings

▪ Security Systems

▪ Secure Gateways

Industrial Gateway

The RISC-V Industrial Gateway is an edge gateway product developed using LeapFive’s NB2L (LF555). It caters to various industrial edge computing scenarios, integrating numerous industrial interfaces and resources, including RS485, RS232, Ethernet, USB, CAN, DI/DO, HDMI, and TF card slots. The gateway also supports optional wireless communication modules such as Wi-Fi, Bluetooth, 4G/5G. On the software side, it runs the Linux operating system with middleware like Docker for easy application development and deployment.

Industrial Park Energy-Saving and Carbon-Reduction Service Solution

This solution, powered by the BF2 as the core controller, integrates data collection across energy consumption, environmental conditions, office lighting, and illumination within industrial parks. By leveraging this data, it delivers advanced functionalities such as energy monitoring and analysis, intelligent office lighting management, smart streetlight control, and enhanced data security. Designed to optimize electricity management, support State Grid initiatives, reduce operational costs, and achieve energy-saving and carbon-reduction goals, this solution is ideally suited for industrial park energy management and State Grid infrastructure projects.

EN_NB2L chip(LF555)

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