The GigaDevice GD32F303R-START Development Board is a starter platform for evaluating the GD32F303RCT6 microcontroller, a 120 MHz Arm Cortex-M4 device in the GD32F30x mainstream MCU family. It is a practical choice for engineers who need a compact board for firmware bring-up, peripheral testing, and embedded control experiments. According to GigaDevice's official GD32F303 product selector, the GD32F303RCT6 uses an LQFP64 package with 256 KB Flash, 48 KB SRAM, and up to 51 I/O. The series also integrates CAN 2.0B, USB Full-Speed, SDIO, EXMC, and rich analog resources, making this board suitable for industrial control, data logging, and embedded learning workflows. Features GD32F303RCT6 MCU - Built around a GigaDevice GD32F303 series microcontroller for mainstream embedded development. Arm Cortex-M4 core - Runs at up to 120 MHz for control, communication, and signal-processing tasks. 256 KB Flash - Provides on-chip program memory for application firmware and peripheral examples. 48 KB SRAM - Supports runtime data, buffers, protocol stacks, and test applications. LQFP64 package - Offers up to 51 I/O for breadboard, header, or prototype expansion. SDIO support - Useful for SD-card data logging, storage experiments, and SDIO peripheral evaluation. CAN 2.0B and USB FS - Enables industrial communication testing and USB device development. Rich analog resources - Includes 12-bit ADC resources and 12-bit DAC support for measurement and control experiments. External memory interface - EXMC support helps evaluate memory or display-related embedded designs. Official GD32 ecosystem - Can be used with GigaDevice documentation, firmware libraries, and development resources for GD32F30x MCUs. Specifications Parameter Value Product Model GD32F303R-START Target MCU GD32F303RCT6 MCU Series GD32F303 / GD32F30x mainstream MCU family CPU Core Arm Cortex-M4 Maximum Frequency 120 MHz Flash Memory 256 KB SRAM 48 KB Package LQFP64 I/O Up to 51 Communication Interfaces USART/UART, I2C, SPI/I2S, CAN 2.0B, USB FS, SDIO Analog Resources 12-bit ADC resources and 12-bit DAC support External Bus EXMC support Temperature Range -40°C to +85°C Reference Documents GigaDevice GD32F303 official product page GigaDevice GD32 download center Application Embedded firmware learning - Suitable for learning Cortex-M4 peripheral initialization and real-time firmware structure. Industrial control prototypes - Useful for testing CAN, timers, GPIO, and analog inputs in control applications. Data logging - SDIO and serial interfaces support storage and data acquisition experiments. USB device development - USB FS support enables basic device-side communication projects. Sensor acquisition - ADC resources can be used for measurement, monitoring, and analog front-end evaluation. Communication gateways - CAN, UART, SPI, and I2C resources support protocol bridge prototypes. HMI and memory experiments - EXMC support can help evaluate external memory or display-related designs. Classroom labs - A suitable board for MCU programming courses and embedded systems training. Packing List 1 x GigaDevice GD32F303R-START development board FAQ What MCU is used on the GD32F303R-START? It is prepared for the GD32F303RCT6, an Arm Cortex-M4 MCU in the GD32F303 series. How fast does the GD32F303RCT6 run? The official product selector lists the GD32F303RCT6 with a maximum frequency of 120 MHz. How much memory does this MCU provide? The GD32F303RCT6 provides 256 KB Flash and 48 KB SRAM. Does the GD32F303 series support SDIO? Yes. GigaDevice lists SDIO as a key capability of the GD32F303 product line. Is CAN supported? Yes. The GD32F303 series includes CAN 2.0B support for industrial and embedded communication projects. Can this board be used for USB projects? Yes. The GD32F303 series includes USB Full-Speed support. What temperature range is listed for the MCU? The official product selector lists -40°C to +85°C. Is this board suitable for beginners? Yes. It is a practical starter board for learning GD32F30x firmware, peripherals, and Cortex-M4 embedded development.
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