The GD32F105RCT6 is a 32-bit ARM Cortex-M3 microcontroller featuring a 64-pin LQFP package manufactured by Gigadevice. It is powered by the ARM Cortex-M3 processor with an operating frequency of up to 72MHz. It also integrates up to 128KB of Flash memory, 20KB of RAM, 16KB of ROM, and two 12-bit ADC modules. It also includes two timer modules, SPI, USART, I2C, WDT, RTC, WWDG, seven independent layers with two KBR8, 16 digital inputs/outputs, five channels DMA controller, a 72-key encoder, and a CAN controller. Other features include two general-purpose DMA channels, an internal voltage regulator, and a built-in JTAG for debugging.