The STC11F04-35I-PDIP20 is a 20-pin dual in-line package (DIP) microcontroller unit (MCU) from STC, a leading global semiconductor manufacturer. This device is RoHS compliant, and is designed for automotive, industrial, and consumer applications. It has a flash memory of 32KB, 1KB RAM, and 4KB EEPROM. It features a high-speed 8-bit 16-bit microcontroller core with built-in clock frequency multiplexers (CFM) that offer a wide range of clock frequencies. It includes many enhanced system features such as a GPIO port, power-down and brown-out reset capability, and a watchdog timer. It also features an A/D converter with 10-bit resolution, two channels of comparators, as well as Timer0 & Timer1. This device is suitable for a variety of applications, from smart energy to portable device control.