STC12C5202AD-35CI is a low-power 8-bit single-chip microcontroller from STC Microelectronics. It is designed with an STC Enhanced 8051 Core, 5KB Flash ROM, 256 bytes of data RAM, 256 bytes of XRAM, 512 bytes of OTP (One Time Programmable Memory), and 16 16-bit general-purpose timers (including two 16-bit Timer/Counters, two 8-bit Timer/Counters, and one watchdog Timer), as well as various I/O and interrupt capability. It is packaged in a SOIC-16_150mil RoHS package, and is compliant with the RoHS Directive 2002/95/EC. This part is manufactured by STC Microelectronics and is widely used in automotive, industrial, home appliances, and healthcare applications.