Cortex-M4 High-Performance Core Genuine GigaDevice GD32F303CCT6, 120MHz main frequency with hardware FPU/DSP, powerful floating-point computing, strong real-time performance for motor control and signal acquisition. Compact LQFP48 Package 7×7mm 48-pin SMD, 37 GPIOs, space-saving design to reduce PCB footprint, 2.6-3.6V power supply, stable operation in industrial-grade temperature range of -40~85℃. Rich Analog & Communication Peripherals Integrated advanced PWM timer, 3-channel high-speed ADC, DAC, CAN bus, USB OTG, I2S audio, multiple UART/SPI/I2C interfaces, providing a one-stop solution for acquisition, communication, and motor driving. Seamless Domestic Alternative Pin-to-pin and register-compatible with imported STM32 counterparts in the same package, minimal modifications required for existing projects, stable supply chain, significant cost advantage, and full original development support. Versatile Master Control for Multiple Scenarios Suitable for small BLDC motor controllers, industrial sensor acquisition modules, portable testing instruments, IoT terminals, smart home devices, and audio acquisition equipment.