The STC15W4K32S4-30I-LQFP32 is a 32KB 4KB FLASH 30 51Series LQFP-32(7x7) Microcontroller Unit (MCU/MPU/SOC) manufactured by STC. It is a low power CPU designed for embedded products and projects. It comes with high performance, low power consumption, enhanced peripheral functions, and a wide variety of peripherals. It has an 8051 compatible core with a separate instruction and data cache and a full 32 bit arithmetic logic unit (ALU). This MCU is suitable for applications such as automotive, lighting, white goods, consumer electronics, home appliance, and industrial control. It also supports the RoHS Directive (Restriction of Hazardous Substances).