LAN89730AMR-A-V03

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LAN89730AMR-A-V03 is a single-port, highly integrated, transceiver-based Ethernet media access controller (MAC) belonging to a family of 10/100 media access controllers. It is conveniently configured by software and provides a low-cost solution for embedded Industrial Ethernet applications. This device belongs to the category of Interface – Controllers, which finds applications in different types of networks, like LANs, MANs and WANs (wide area networks). It is basically an electronic chip between a device’s processor and its connection to a network.

The LAN89730AMR-A-V03 single-port Ethernet media access controller consists of a transceiver, a 10/100 Ethernet media independent interface (MII) interface, and a set of registers. It is manufactured by Micrel, Inc., a US based semiconductor firm. The transceiver is mainly responsible for the physical translation of data into frames, which are sent over the network. The MII provides a hardware interface to the Ethernet PHY to perform the network physical layer functions.

The LAN89730AMR-A-V03 Ethernet media access controller supports auto-negotiation and supports both 10 Mbps and 100 Mbps speeds for full-duplex or half-duplex communication. Furthermore, it also supports several Ethernet addressing schemes like 802.1Q tagged VLANs and MAC-based bridges, which give network administrators the ability to manage multiple virtual networks on one physical network. Additionally, the device is power efficient and has low power consumption.

The working principle of the LAN89730AMR-A-V03 Ethernet media access controller is primarily based on the flow control mechanism. This flow control allows for data packets to be sent over the network without collisions. It does this by utilizing the Back-pressure (half-duplex), IEEE 802.3x (full-duplex) and MAC control protocol standards. In addition, it also utilizes the Media Independent Interface (MII) and the internal register configuration to detect errors and assist in flow control.

The main applications of the LAN89730AMR-A-V03 include industrial automation, medical equipment, consumer electronics and networked embedded systems. The device can be used in a range of applications, including firewall filters, IP cameras, web servers, point-of-sale systems, and VoIP (Voice over IP) systems. Additionally, it is also suitable for applications that require low-cost and high-performance Ethernet controllers.

In conclusion, the LAN89730AMR-A-V03 Ethernet media access controller is a single-port, highly integrated, transceiver-based Ethernet media access controller that belongs to a family of 10/100 media access controllers. It supports auto-negotiation and utilizes the flow control mechanism, the Back-pressure, IEEE 802.3x and MAC control protocol standard, the Media Independent Interface (MII) and the internal register configuration to detect errors and assist in flow control. It can be used in applications such as industrial automation, medical equipment, consumer electronics and networked embedded systems.

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