The electronic part STC15W4K48S4-30I-LQFP44 is a Micro-Controller Unit (MCU/MPU/SOC) manufactured by STC. It has 48KB of static RAM, 4KB of Flash memory, and 51-series instruction sets stored in a Low-Profile Quad Flat Pack (LQFP) package measuring 10 x 10 mm (44-leads). It is compliant with RoHS and can operate at up to 30 MHz.