The GD32F305RBT6 is a 32-bit microcontroller based on the ARM Cortex-M4 core with a maximum clock frequency of up to 120 MHz, designed for general-purpose embedded applications, combining computational power (DSP instructions), a rich set of peripherals, and a competitive price/performance ratio. Specifications Architecture and Memory •Core: ARM Cortex-M4 up to 120 MHz.•Flash Memory: up to 1024 KB (1 MB) embedded program/data.•SRAM: up to 96 KB. Supply Voltage and Operating Conditions •Supply Voltage: 2.6 … 3.6 V (VDD).•Operating Temperature Range: -40... +85 ° C (standard industrial) Peripherals and Interfaces •ADC: two 12-bit ADCs with up to 16 channels.•DAC: two 12-bit DACs.•Timers:-2 x 16-bit advanced timers-10 x 16-bit general-purpose timers-2 x 16-bit basic timers.•Communication Interfaces:-up to 3× SPI, up to 3× USART, up to 2× I²C-USB Full-Speed Device/Host/OTG, up to 12 Mbit/s.• CAN: up to 2× CAN 2.0B.•GPIO: up to 112 input/output ports. Performance •Zero-wait-state access to Flash at 120 MHz.•DSP instructions, hardware division, FPU support (if implemented) via Cortex-M4 core. Package and Variants •Packages: LQFP-64, LQFP-100, LQFP-144 (depending on the series model)Specifically, the RBT6 model is LQFP-64. *Depending on the supply, the appearance and package contents may differ from the images on the website. The appearance does not affect the quality and characteristics of the product.