The RC3216F3321CS is a Samsung Samsung 16-bit remote control microcontroller (MCU). It is a low power, low cost MCU that is optimized for wireless remote control applications. This MCU offers a wide range of features, such as 1-kbyte on-chip Flash memory and 128-byte SRAM. In addition, it has 8- and 10-bit ADC/DAC, 10-bit PWM, and UART/I2C interface. The RC3216F3321CS can be used in various applications, such as audio equipment, home and vehicle electronics, electric appliances, and lighting systems.