JAJSEV0G july 2016 – august 2023 DP83822H , DP83822HF , DP83822I , DP83822IF
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The DP83822 is a fully-featured, single-port Physical Layer transceiver for 10BASE-Te, 100BASE-TX and 100BASE-FX signaling. The device supports the standard Media Independent Interface (MII), Reduced Media Independent Interface (RMII), and Reduced Gigabit Media Independent Interface (RGMII) for direct connection to a Media Access Controller (MAC).
The device is designed for power supply flexibility by allowing for a range of I/O voltage interfaces (3.3 V, 2.5 V, or 1.8 V) and options for analog voltage (1.8 V or 3.3 V) to reduce power consumption. Automatic supply configuration within the DP83822 allows for any combination of VDDIO supply and AVD supply without the need for additional configuration settings. The DP83822 uses mixed-signal processing to perform equalization, data recovery, and error correction to achieve robust operation over CAT5 twisted-pair cable. The DP83822 not only meets the requirements of IEEE 802.3u, but maintains high margins in terms of crosstalk and alien noise.
The DP83822 is also a pin-to-pin upgradeable option for the TLK105, TLK106, TLK105L, and TLK106L 10/100 Mbps Ethernet PHYs.