The GD32F103RET6 with ARM Microcontrollers - MCU ARM CORTEX M3 MCU, LQFP64, Tra is a microcontroller unit (MCU) manufactured by Gigadevice. The MCU is based on the ARM Cortex M3 architecture that enables it to deliver high performance, low power and small size. It is designed to meet the needs of embedded applications, such as consumer appliances, medical electronics and automotive applications. The GD32F103RET6 with ARM MCU features 64 pins in a LQFP64 package, an operating frequency of 72 MHz, and a memory capacity of up to 128KB Flash. It also has an integrated debugging and programming interface, and an on-chip LCD controller. The GD32F103RET6 with ARM Cortex M3 MCU provides built-in peripherals such as timer/counter, USART, SPI, I2C, and 12-bit DAC and ADC, as well as support for CAN, USB and Ethernet. Furthermore, it is RoHS compliant and has an operating temperature range of – 40 °C to 85 °C.