GD32C231C-EVAL

Overview

The GD32C231C-EVAL evaluation board is a low-cost development platform for GigaDevice GD32C231C microcontroller series based on ARM Cortex-M23 core.

The GD32C231C8 features:

ARM Cortex-M23 processor at 48MHz maximum
64KB Flash memory
12KB SRAM
Low power operation
Multiple communication interfaces: UART, SPI, I2C
GPIO ports
Timer modules
ADC and comparator

Hardware

MCU: GD32C231C8T6
Crystal: 8MHz external crystal for HXTAL
LED: 4 user LEDs (LED1..LED4)
Debug: SWD interface

Connections and IOs

LED

LED1 = PA15
LED2 = PD1
LED3 = PD3
LED4 = PB4

UART

USART0_TX = PA9
USART0_RX = PA10

Programming and Debugging

The GD32C231C-EVAL board includes an onboard GD-Link programmer/debugger with a CMSIS-DAP SWD interface over USB. The recommended flashing tool is GD-Link Utility Programmer, the official GigaDevice utility. OpenOCD and J-Link are also supported.

Flashing

Using GD-Link Utility Programmer

GD-Link Utility Programmer [1] is GigaDevice’s official download tool for GD-Link hardware. It supports SWD programming and ISP download.

Download and install GD-Link Utility Programmer from the GigaDevice download center [2].

Build the sample application:

west build -b gd32c231c_eval samples/hello_world

Connect the board to the PC via the USB port (GD-Link interface).
Open GD-Link Utility Programmer, select target device GD32C231C8T6, load build/zephyr/zephyr.hex, and click Download.

Using OpenOCD

OpenOCD can be used with the onboard GD-Link CMSIS-DAP interface or an external SWD probe:

west build -b gd32c231c_eval samples/hello_world
west flash

Using J-Link

west build -b gd32c231c_eval samples/hello_world
west flash --runner jlink

Debugging

Use the onboard GD-Link interface or an external SWD probe:

west build -b gd32c231c_eval samples/hello_world
west debug