The KSZ8863RLLI is an Ethernet switch built by Microchip that features 10/100 Base-T(X), RMII, and is designed for automotive, industrial, and commercial communication applications. It comes in a LQFP48 package and operates temperature range of -40°C to 85°C. The device offers a range of features including a built-in PHY, low power operation, a variety of port configurations, and has integrated functions, including auto-negotiation, pass through, traffic monitoring, and adaptive flow control. The device also features built-in diagnostic features as well as a flexible packet switching which creates extremely efficient port configurations. The device is compliant with many popular communication protocols such as IEEE 802.3 Ethernet, TCP/IP, and RIPv2.