The GD32C231C-EVAL is a comprehensive evaluation board from GigaDevice for the GD32C231 microcontroller series, based on the energy-efficient ARM Cortex-M23 core. It provides engineers with a complete platform for prototyping and testing embedded applications, featuring rich peripherals, onboard debugging, and extensive software support. The board includes the GD32C231C8T6 MCU with 64 KB Flash and 12 KB SRAM, making it ideal for cost-sensitive industrial control, IoT edge nodes, and motor drive applications. Features ARM Cortex-M23 Core: 48 MHz max clock speed, optimized for low power consumption Onboard GD-Link Debugger: Integrated SWD debugger for programming and debugging Rich Peripherals: 3× USART, 2× I²C, 2× SPI, 1× I²S, 12-bit ADC (13 channels), 2 comparators Wide Voltage Range: 2.3 V to 5.5 V supply, supporting both 3.3 V and 5 V systems Extended Temperature: −40 °C to +105 °C industrial grade Flexible Timers: 4× GP 16-bit, 1× Advanced PWM, watchdogs, RTC USB Type-C Powered: 5 V input via USB Type-C, regulated to 3.3 V Comprehensive SDK: Keil MDK, IAR EWARM, GCC, GD32 Embedded Builder, FreeRTOS support Specifications Parameter Value MCU GD32C231C8T6 (LQFP48) CPU Core ARM Cortex-M23 Max Clock 48 MHz Flash 64 KB SRAM 12 KB GPIO 45 pins USART 3 I²C 2 SPI 2 I²S 1 ADC 12-bit, 13 channels Comparators 2 Timers 4× GP, 1× Advanced PWM, watchdogs, RTC Voltage Range 2.3 V to 5.5 V Temperature Range −40 °C to +105 °C Debug GD-Link (SWD) Power Input USB Type-C (5 V) Application Industrial Control: PLC, sensors, and automation systems Motor Drive: BLDC, stepper, and servo motor control Consumer Electronics: Smart home devices and appliances IoT Edge Nodes: Sensor nodes and communication gateways E-Bike Controllers: Motor control and battery management Battery Management: Cell monitoring and protection circuits Smart Agriculture: Irrigation control and environmental monitoring Packing List 1× GD32C231C-EVAL Board FAQ What is the GD32C231C-EVAL used for? It is an evaluation board for the GD32C231 MCU series, suitable for industrial control, IoT, consumer electronics, and motor drive applications. What debugger is included? An onboard GD-Link debugger with SWD interface is integrated — no external debugger required. Which development tools are compatible? Keil MDK, IAR EWARM, SEGGER Embedded Studio, GD32 Embedded Builder, GCC toolchains, and FreeRTOS. What is the difference between GD32C231 and other GD32 series? The GD32C231 is an entry-level ARM Cortex-M23 series, optimized for low power and cost-sensitive applications with rich analog peripherals, compared to the higher-end Cortex-M4/M33 series. Can it be used for commercial development? Yes. Firmware developed on the board can be directly migrated to GD32C231-based commercial products. What is the operating voltage range? 2.3 V to 5.5 V, supporting both 3.3 V and 5 V systems without external level shifters. Does it support RTOS? Yes. FreeRTOS and other RTOS are supported with official SDK examples. Where can I find documentation? Datasheets, user manuals, and application notes are available on the GD32C231 product page and GD32 MCU portal.