The GD32F405RET6 with ARM Microcontrollers - MCU ARM CORTEX M4 MCU is a 64-pin LQFP microcontroller unit developed and manufactured by Gigadevice. This MCU is based on the ARM Cortex-M4 core and has a maximum operating frequency of up to 180MHz. It features1Mbytes of Flash memory and 192Kbytes of RAM and supports the advanced peripherals such as 12-bit ADC, USART, I2C, PWM, and much more. The MCU also integrates an LCD display interface to support up to 80 segments. Other features include a built-in CAN controller, USIC, PDW, DMA, and low-power modes. This MCU is suitable for a wide range of applications including medical, industrial, and consumer electronics.