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USB to Ethernet controller includes Microsoft AOAC support

Posted: 21 May 2013 ?? ?Print Version ?Bookmark and Share

Keywords:Asix Electronics? Ethernet? controller? Microsoft? USB?

Asix Electronics recently unveiled the AX88772C, a USB 2.0 to 10/100M Ethernet controller with Microsoft AOAC (Always On Always Connected) support. The AX88772C is the latest addition to the company's USB-to-LAN product portfolio, providing a small form factor solution and plug-and-play usability, allowing embedded system designers to deliver Ethernet connectivity while also supporting USB 2.0 technology.

The AX88772C can be used in any embedded system with a USB host microcontroller requiring a twisted pair physical network connection. Featuring a USB interface (compliant with USB specification V2.0 and V1.1) to communicate with a USB Host Controller, the AX88772C also integrates on-chip Ethernet MAC and PHY (IEEE802.3 and IEEE802.3u compatible) and embedded memory. Additionally, the AX88772C needs only a single 25MHz crystal to drive both the USB and Ethernet PHYs.

The device offers a wide array of features including IPv4/IPv6 checksum offload engine, Protocol Offload(ARP & NS), HP Auto-MDIX, and IEEE 802.3x and back-pressure flow control. The AX88772C also offers multiple power management Wake-on-LAN features, including Magic Packet, Microsoft Wakeup Frame, Link Status Change, 32 Microsoft Wakeup Patterns and Wakeup Packet Indication that allows the AOAC platform to enter a low-power "Connected Standby" state and wake on a desired network pattern.

Asix's latest device is a high performance and highly integrated ASIC which enables a low cost, small form factor, and simple plug-and-play Fast Ethernet network connection capability for desktops, notebook PCs, Ultrabooks, cradles/port replicators/docking stations, game consoles, digital-home appliances, and any embedded system using a standard USB port.

Available in a small form factor 64-pin LQFP package, the AX88772C is lead-free, RoHS compliant, and supports commercial (0C to 70C) temperature range.

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