The Microchip LAN9514I-JZX is an Ethernet controller with 10/100Base-T capabilities. It features one Ethernet port and four USB ports. The package is a QFN64, using a 3.3V voltage supply. It is typically used for networking solutions, and is compliant with IEEE 802.3/802.3u. It supports 10Mbps and 100Mbps operation, as well as auto-negotiation, IPV4/IPV6, DHCP, ARP, PPP and Wake-on LAN. Its integrated PHY module interfaces with both MII and RMII Ethernet MACs, allowing for direct connection to 10/100Base-T media. The device also includes four USB host ports, as well as a power management IC, allowing for optimization of power management. It is well-suited for applications such as embedded DIY projects, embedded web services, and many other embedded solutions.