The S3F8S15XZZ-QR85 is a high performance 8-bit microcontroller with Other Processors and Microcontrollers (MCUs) QFP-48 RoHS manufactured by IXYS. It has a clock speed of 16/20 MHz and features Flash ROM for program and data storage, 8-bit CMOS CPU, on-board crystal oscillator, 4 8-bit I/O ports, and an Enhanced Power Management Unit (EPMU). The device is RoHS compliant and can operate at temperatures ranging from -40°C up to +85°C. Its power saving design ensures maximum power saving in the given time frame. It is suitable for a wide variety of applications such as fire alarm, security, medical, telecom, measuring, instrumentation, and home/industrial automation.