GF3 Development Board (GF3-EVK)
Product Description
Parameter
Target Applications
Terminal Devices
Applications
Documentation
Features
Content 1
Content 2
Content 3
Overview
The GF3 Development Board is an evaluation and testing platform for the LeapFive GF3 series high-performance MCUs. It is equipped with a comprehensive set of peripheral interfaces, including dual Ethernet ports, input/output IO, RS485, RS232, CAN bus, USB, SD card slots, 4G communication, audio I/O, and Wi-Fi. Designed with industrial-grade standards, the board ensures reliable performance in diverse application scenarios.
Features
• Variety of Peripheral Interfaces
• Industrial-Grade Design
• Supports Wi-Fi Connectivity
• Supports 4G Communication
• Dual Ethernet Port Design
• Supports RGB Display
• Supports DVP Camera Input
• Isolated Input and Output
• Supports Voice Input and Output
• Expandable Zigbee and LoRa Communication
Features
| Technical Supports | Technical Specifications |
| • Hardware Development Guide | • FreeRTOS |
| • Software Development Guide | • Nuttx |
| • Software Development Kit (SDK) | • OpenHarmony |
| • Extensive Component Support | • RT-Thread |
| • Test Cases | |
| • Example Programs for Application Scenarios |
System Block Diagram

Technical Specifications
| Classification | Item | Parameter |
|
Minimum System Specifications |
Main Control |
GF3 Core Board (multiple configurations available) |
|
MCU Peripherals |
Ethernet |
1*100M Ethernet Port, 1*1000M Ethernet Port |
|
Serial Communication |
4*RS232, 4*RS485 (isolated), 2*CAN (isolated) |
|
|
Wireless Communication |
Wi-Fi 2.4G (IoT module), 4G communication, Expandable Zigbee/LoRa |
|
|
Input/Output |
4*Input IO, 4*Output IO (relay type) |
|
|
USB |
1*USB Host, 1*USB Device |
|
|
Multimedia |
1*LCD(RGB24), 1*Camera (DVP), Audio Input/Output |
|
|
Storage |
1*SD Card |
|
|
Miscellaneous Interfaces |
2*Independent Buttons, 4*LED Indicators, 1*Buzzer, Independent RTC Circuit (with battery), Motor Interface (reserved) |
|
|
Speed Control |
JTAG Interface, Serial Speed Control (USB to Serial Port), DIP Switch (startup control) |
|
|
Power Supply |
DC12-30V |
Wide voltage range, reverse polarity protection, over-current/over-voltage protection |
|
Physical Characteristics |
Physical Dimensions |
212mm * 170mm |
|
Temperature Range |
Operating Temperature:-40℃~85℃ Storage Temperature:-40℃~150℃ |
Application Scenarios

Serial Port Server

Industrial Touch Screen

Industrial Gateway

Data Acquisition Controller

Motor Controller

Machine Vision/Recognition

Environmental Monitoring

Smart Light Poles

Smart Parking

Smart Property Management
EN_GF3 Development Board(GF3_EVK)
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