Description：

The GigaDevice GD32F425RKT6 is a high-performance microcontroller that represents the maximum memory configuration within the GD32F425 series. Built around the robust 200 MHz Arm® Cortex®-M4 core with a floating-point unit (FPU), this model combines the series' signature graphical and connectivity features with an extensive 3072KB (3MB) Flash memory. It is engineered to address the most demanding embedded challenges, providing ample space for complex operating systems, sophisticated graphical interfaces, and extensive data logging, making it an ideal choice for advanced industrial HMI systems, data-intensive IoT gateways, and high-performance digital power controllers.

Main Features：

1. Core & Performance

High-Performance Core: Arm® Cortex®-M4 core with a maximum frequency of 200 MHz, providing powerful real-time computing capabilities.

Hardware Acceleration: Built-in Single-Precision Floating-Point Unit (FPU) and support for DSP instruction set, significantly enhancing the efficiency of control algorithms and signal processing.

2. Advanced Peripherals & Connectivity

Graphics Display Core: Integrated TFT LCD controller and hardware graphics accelerator (IPA), capable of directly driving displays, suitable for advanced Human-Machine Interfaces (HMI).

Comprehensive Connectivity: Provides USB 2.0 OTG FS, CAN 2.0B, multiple USART/UART, I2C, and SPI interfaces.

Multimedia & Vision: Supports 8~14-bit Digital Camera Interface (DCI) and features a built-in hardware JPEG codec, facilitating image acquisition and processing.

High-Speed Analog: Equipped with 12-bit ADC (up to 2.6 MSPS) and 12-bit DAC.

3. Memory, Package & Reliability

Maximum Memory Configuration (Key Differentiator): The "K" in the model number is the core identifier, representing that this model is equipped with the largest 3072KB (3MB) Flash and 128KB SRAM in the GD32F4/425 series. This provides vast space for running resource-intensive applications, embedded file systems, or complex protocol stacks.

Package: The "R" in the model number typically represents a 64-pin LQFP package (this is an inference based on series conventions; please be sure to refer to the official datasheet for verification).

Industrial-Grade Reliability: The suffix "T6" indicates an operating temperature range of -40°C to +85°C.

Typical Applications：

The combination of "Ultra-Large Storage + High Performance" makes it particularly suitable for systems that handle large volumes of data or require complex software architectures:

High-End Industrial Human-Machine Interfaces: Industrial touchscreens and control panels running complex GUI frameworks or lightweight embedded operating systems.

Intelligent IoT Gateways & Edge Servers: Industrial IoT gateways that need to cache large amounts of device data, run multi-protocol conversion, and handle complex business logic.

Advanced Digital Power & Motor Control: Servo drives and photovoltaic inverters that implement complex algorithms, parameter self-tuning, and extensive data logging.

Data Acquisition & Recording Equipment: Applications requiring local high-capacity storage, such as black boxes and high-speed data loggers.