The DP83822 is a single-port 10/100 Mbps Ethernet PHY. It supports connections to an Ethernet MAC through MII, RMII, or RGMII. Connections to the Ethernet media are made via the IEEE 802.3 defined Media Dependent Interface.
When using the device for Ethernet applications, it is necessary to meet certain requirements for normal operation. The following subsections are intended to assist in appropriate component selection and required circuit connections.