1 AX88179 usb 3.0 to 10/100 /1000m gigabit ethernet c ontrolle r asix electronics corporation 4f, n o .8, h sin a nn r d ., hsinchu science park, hsinchu, taiwan 30078 r eleased date: 9 / 20 /2012 tel: +886 - 3 - 579 - 9500 fax: +886 - 3 - 579 - 9558 http://www.asix.com.tw/ features product brief single chip usb 3.0 to 10/100 /1000 m gigabit ethernet controller with energy efficient ethernet ( eee ) base on digital signal processing (dsp) technology with low dissipation usb device controller integrates on - chip usb 3 .0 phy and controller compliant to usb s pec 3.0, 2.0 and 1 . 1 supports all usb 3.0 power saving modes (u0, u1, u2, and u3) support s usb super/high/full speed modes with bus - power or self - power device auto - detect capability high performance packet transfer rate over usb bus using proprietary burst transfer mechanism (us patent approval) gigabit ethernet controller supports ieee 802.3az (energy efficient ethernet) ieee 802.3, 802.3u and 802.3ab compat ible integrates 10/100 /1000 mbps gigabit ethernet mac/phy supports dynamic cable length detection and dynamic power adjustment green ethernet (gigabit mode only) supports parallel detection and automatic polarity correction supports crossover detec tion and auto - correction supports ipv4/ipv6 packet checksum offload engine (coe) to reduce cpu loading, including ipv4 ip/tcp/udp/icmp/igmp & ipv6 tcp/udp/icmpv6 checksum check & generation supports tcp large send offload v1 support s full duplex ope ration with ieee 802.3x flow control and half duplex operation with back - pressure flow control support s ieee 802.1p layer 2 priority encoding and decoding support s ieee 802.1q vlan tagging and 2 vlan id filter ing; received vlan tag (4 byte s ) can be str ipped off or preserved support s jumbo frame p hy loop - back diagnostic capability support w ake - on - lan function supports s uspend m ode and r emote w akeup via link - change , m agic packet , microsoft wakeup frame and external wakeup pin supports bonjour wa ke - on - demand advanced power management features supports power management offload (arp & ns) supports dynamic power management to reduce power dissipation during idle or light traffic supports autodetach power saving C soft - disconnected from usb ho st when ethernet cable is unplugged supports advanced link down power saving when ethernet cable is unplugged support s optional serial eeprom (93c56 /66 ) for storing usb descriptors , node - id, et c. supports embedded efuse (64 - byte) to store usb device descriptors, node - id, etc to save external eeprom support s automatic loading of usb device descriptors , node - id, etc. from embedded efuse or external eeprom after power - on initialization single 25mhz clock input from either crystal or oscillator source integrates on - chip power - on reset circuit integrates pipelined risc ( system on a chip , soc) for handling protocol and control functions 68 - pin qfn 8mm x 8mm rohs /reach c ompliant package operating over 0 c to 70 c temperature ran ge product descriptio n AX88179 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 v3.0, v2.0 and v1.1) to communicate with a usb host controller, t he AX88179 also integrates on - chip gigabit ethernet mac and phy (ieee802.3, ieee802.3u and ieee802.3ab compatible). additionally, the AX88179 needs only a single 25mhz crystal to drive both the usb and ethernet phys. the AX88179 offers a wide array of fea tures including ipv4/ipv6 checksum offload engine, crossover detection and auto - correction, tcp large send offload and ieee802.3az eee (energy efficient ethernet). the eee defines a mechanism that allows the AX88179 to enter a low power idle state to reduc e power and to achieve a more energy efficient ethernet. it supports dynamic cable length detection and dynamic power adjustment green ethernet in gigabit mode. the AX88179 also offers multiple power management wake - on - lan features, including magic packet, microsoft wakeup frame and link status change that allows systems to enter a low power state and wake on desired network traffic.
2 AX88179 usb 3.0 to 10/100 /1000m gigabit ethernet c ontrolle r asix electronics corporation 4f, n o .8, h sin a nn r d ., hsinchu science park, hsinchu, taiwan 30078 r eleased date: 9 / 20 /2012 tel: +886 - 3 - 579 - 9500 fax: +886 - 3 - 579 - 9558 http://www.asix.com.tw/ block diagram application diagram super s peed usb - to - lan applications
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