The GD32F303xB series 32-bit microcontroller from GigaDevice is based on the ARM® Cortex®-M4 core with FPU and DSP extensions, supporting a maximum operating frequency of 120MHz with zero-wait-state Flash execution. It features 128KB of embedded Flash memory, 32KB of SRAM, and a full suite of analog and digital peripherals: 3-channel 12-bit ADC with 2.6MSPS sampling rate, 2-channel 12-bit DAC, multiple timers (advanced, general-purpose, basic), CAN 2.0B controller, USB FS device, multiple communication interfaces (SPI, I²C, UART, I²S), DMA controller, and 5V-tolerant GPIO pins. With a wide operating voltage range of 2.6V to 3.6V and industrial temperature range from -40°C to +85°C, this MCU combines high performance, low power consumption, and high reliability, suitable for industrial automation, motor control, smart home, IoT, and consumer electronic products.