The GD32F103RBT6 with ARM microcontrollers is a product from Gigadevice. It is a low-power MCU based on the ARM Cortex-M3 core. This integrated device features 64-Pin LQFP package and provides up to 48MHz operation frequency. It also features up to 128KB Flash memory, 10KB SRAM, numerous peripherals and interfaces. This device has been designed for a wide range of embedded applications, such as industrial control, multimedia, consumer electronics, and automotive. The GD32F103RBT6 supports a number of advanced features, such as 17 GPIOs, 3 12-bit ADC, 12-bit DAC, 2 USARTs, 2 SPI, I2C, PWM timers, RTC, 4-Channel DMA controller, etc. This device is also equipped with a Cortex-M3 core with a processor clock speed of up to 48MHz; the Cortex-M3 core can independently execute instructions and fetch instructions from the Flash memory. This device is ideal for applications requiring a low-power, high-performance MCU.