The GD32VF103VBT6 is an ARM Cortex M3 32-bit microcontroller unit (MCU) manufactured by Gigadevice. It integrates the main control core of Cortex-M3, with a maximum operating frequency that is adjustable up to 108MHz. It comes with integrated SRAM of up to 36 KB that supports single cycle access, and built-in flash memory of up to 128 KB, which supports Flexible memory technology (FMC). It also provides rich on-chip peripheral interfaces, such as 12-bit ADC with up to 9-channel multiplexed input, two 12-bit DACs and 8 timers; communications includes 3 USARTs, 2 SSPs, 2 I²C interface and 2 CAN interfaces. This chip also integrates complete data protection and security functions. Its maximum operating voltage is 3.3V and recommended operating temperature is between -40°C to 85°C. Overall, it is a powerful and versatile MCU choice for embedded system designs.