Microchip イーサネットスイッチIC, 10/100Mbps, RGMII,MII,RMII, VQFN - 64 ピン

The KSZ9893 is a fully integrated layer 2, managed, three-port gigabit Ethernet switch with numerous advanced features. Two of the three ports incorporate 10/100/1000 Mbps PHYs. The other port has interfaces that can be configured as RGMII, MII or RMII. This port may connect directly to a host processor or to an external PHY. Full register access is available by SPI or I2C interfaces, and by optional in-band management via any of the data ports.

Non-blocking wire-speed Ethernet switching fabric
Full-featured forwarding and filtering control, including Access Control List (ACL) filtering
Full VLAN and QoS support
Two ports with integrated 10/100/1000BASE-T PHYs
One port with 10/100/1000 Ethernet MAC and configurable RGMII/MII/RMII interface
IEEE 802.1X port-based authentication support
EtherGreenTM power management features, including low power standby and IEEE 802.3az
Flexible management interface options: SPI, I2C, MIIM, and in-band management via any port

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