The GD32F303CCT6 is a microcontroller IC manufactured by GigaDevice. It is a low-power, 32-bit ARM Cortex-M3 based MCU with 64K RAM, 1M Flash, 4 12-bit ADC, 3 USARTs, 3 SPI, 1 I2C, 4 timers, integrated Smart Card interface, and real-time clock & calendar. It is packaged in a 48-pin Low-QFN (LQFP-48_7x7x05P) package compliant with RoHS standard and operates over a wide temperature range (-40°C to +85°C).