GD32F303RET6 Core Parameters & Documentation I. Basic Information Brand: GigaDevice Series: GD32F303 Mainstream Enhanced MCU Package: LQFP64 Pin Count: 64 Pin Core: ARM Cortex-M4 Operating Frequency: Up to 108 MHz II. Memory Configuration Flash: 512 KB SRAM: 96 KB III. Key Peripherals General GPIO: 51 Timers: Advanced Timer ×1, General-Purpose Timers ×4, Basic Timers ×2 Communication Interfaces: USART×5, I2C×2, SPI×3, CAN×2 Analog Peripherals: 12-bit ADC×3 (24 channels), 12-bit DAC×2 Others: Watchdog, RTC, DMA, CRC, Hardware Floating-Point Unit (FPU) IV. Electrical & Operating Conditions Supply Voltage: 2.6 V ~ 3.6 V Operating Temperature: -40℃ ~ +85℃ Standard Industrial-Grade Temperature Range V. Typical Applications Industrial control, smart home, IoT devices, consumer electronics, motor drive, data acquisition, portable devices, etc. Hardware and software are compatible with mainstream MCUs of the same architecture.