The DP83901AV is an integrated circuit (IC) component developed by National Semiconductor, which belongs to the DP8390 family of Ethernet controllers. This Ethernet controller IC is specifically designed for high-performance local area network (LAN) applications. Here is an overview of the DP83901AV along with its key features:
1. Architecture: The DP83901AV is based on a powerful Direct Memory Access (DMA) architecture, which enables high-speed and efficient data transfer between the Ethernet controller and the host system.
2. Network Compatibility: This IC component complies with the IEEE 802.3 Ethernet standard, ensuring compatibility with most Ethernet networks and systems. It supports both 10Mbps and 100Mbps speeds, thus offering versatile connectivity options.
3. Interface: The DP83901AV features a Media Independent Interface (MII), which simplifies the design and configuration of LAN systems by providing a standardized interface to connect with various physical layer devices such as transceivers and Ethernet controllers.
4. Carrier Sense Multiple Access Collision Detection (CSMA/CD): The IC incorporates the CSMA/CD protocol, allowing efficient collision detection and handling on the network, thereby ensuring reliable data transmission.
5. Power Management: The DP83901AV includes advanced power management features like Power-Down mode and Wake-On-LAN support, enabling energy conservation when the system is idle and allowing remote wake-up functionality
