The STC12C5204AD-35I-SOP28 is a microcontroller manufactured by STC (Shenzhen Super Smart Technology Co., Ltd.). It is an 8-bit (8051-base) microcontroller that features up to 4K words of flash memory, 2K bytes of SRAM, a built-in LCD controller, an 8 x 8-bit PWM generator, and an operating voltage range of 2.2V to 5.5V. The STC12C5204AD-35I-SOP28 is packaged in a SOIC-28 (300mil) RoHS compliant package, making it compatible with a wide variety of electronic devices. It is an ideal solution for low-power applications and can be used in applications such as industrial control, Automotive, and home appliances.