LC74732W-9811-E is a 28-pin low voltage integrated circuit (IC) manufactured by ON Semiconductor. It is a Low-power CMOS 8-bit microcontroller. It comprises of 8K bytes of flash memory, 128 bytes of RAM, 10-bit A/D converter and I/O ports. It includes various peripherals such as timer/counter, serial data communication interface, UART and I2C controller. This IC is suitable for a wide variety of applications such as consumer appliances, industrial automation, security and access control systems.