The GD32F101RBT6 with ARM Microcontrollers - MCU ARM CORTEX M3 MCU, LQFP64, Tra manufactured by Gigadevice is a 32-bit ARM Cortex-M3 microcontroller (MCU). It has a clock speed of 72 MHz and an on-chip Flash memory of up to 128 KB as well as up to 8 KB RAM. It comes with 64 pins in a LQFP package and supports a wide range of communication and analog interfaces. The MCU also supports a wide range of communication protocols such as CAN, I²C, SPI, UART and USB, as well as many digital and analog peripheral functions. It has multiple timer units and one or multiple watchdog timers, offering real-time control and a fast response time. Special features include smart wake-up function, fast-edge LED PWM output and ADC performance. It also features multiple power-saving modes so as to protect the environment when in standby or low-power modes.