The KSZ8795 family is Micrel Operations new generation integrated 5-port switch with Gigabit up-link. The KSZ8765CLX is one of KSZ8795 family. KSZ8765CLX contains four MAC/PHYs with two fiber ports, two copper ports and one GMAC5 interface that is configurable GMII/RGMII/MII/RMII interfaces. The device had been designed with cost sensitive systems in mind but still offers a multitude of new features such as port based security ACL filtering, 802.1az EEE, LinkMD and so on. Also support port and tag based VLAN; QoS priority; CPU control SPI interfaces and CPU control MDC/MDIO for the register access. The KSZ8765CLX switch is an excellent choice in broadband gateway applications, integrated broadband router applications, industrial automatic, automotive, etc. fields and as a standalone switch. The KSZ8765CLX-EVAL board is designed to allow the user to experience Gigabit up-link with Gigabit port of any processor board and platform. Other rich feature set can be evaluated on this board. The evaluation board is highly configurable and easy to use.