The STC15W202S-35I-DIP16 is a Microcontroller Unit (MCU/MPU/SOC) manufactured by STC that is RoHS compliant. It is a 51 series DIP-16, with a 2KB Flash Memory, 256Byte RAM, and 14 I/O pins. It has an operating voltage range of 2.7V-5.5V with a maximum clock frequency of 35Mhz. It also features an 8-bit Central Processing Unit, clock sources from an external frequency or an internal RC oscillator, and advanced Digital Signal Processing features like interrupts, PWM. It is suitable for a wide range of applications such as home appliances, industrial control, remote monitoring, office automation and more.