GD32F103C8T6 series products are 108MHz, providing excellent processing performance. The basic on-chip Flash memory (Flash) is up to 128KB, the RAM is up to 20KB, the supply voltage range is 2.6V-3.6V, the supply voltage of the core is 1.2V, the I\/O port can withstand 5V level, the embedded real-time clock (RTC) and 2 watchdog (WDG). It has power failure reset (PDR), power on reset (POR) and voltage monitoring (LVD) functions.