The STC89C52RC-40I-LQFP44 is a microcontroller unit (MCU/MPU/SOC) manufactured by STC with 8KB/512Bytes FLASH and operating in the 35/51series DIP-40. It is compliant with the ROHS standards and has a LQFP(Low-profile Quad Flat Package) pin layout. It is designed for use in consumer mechanical and electronic systems, allowing for applications such as embedded uC control systems and advanced industrial, automotive, and consumer electronics. It is a highly integrated and powerful microcontroller unit, with features such as a 16-bit CPU, two Timer/Counters, two UARTs, SPI, and 6 Interrupt Sources that make it a great choice for a variety of applications.