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高速芯片间（HSIC）USB 2到10/100的以太网控制器LAN9730/LAN9730i数据表
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The LAN9730/LAN9730i is a high performance solution for USB to 10/100 Ethernet port bridging. With applications ranging from embedded systems， set-top boxes， and PVRs， to USB port replicators， and test instrumentation， the device is targeted as a high-performance， low-cost USB/Ethernet connectivity solution. The LAN9730/LAN9730i contains an integrated 10/100 Ethernet PHY， HSIC interface， Hi-Speed USB 2.0 device controller， 10/100 Ethernet MAC， TAP controller， EEPROM controller， and a FIFO controller with a total of 30 kB of internal packet buffering. Two kB of buffer memory are allocated to the Transaction Layer Interface （TLI）， while 28 kB are allocated to the FIFO Controller （FCT）。 The internal USB 2.0 device controller is compliant with the USB 2.0 Hi-Speed standard. The HSIC interface is compliant with the High-Speed Interchip USB Electrical Specification Revision 1.0. High-Speed Inter-Chip （HSIC） is a digital interconnect bus that enables the use of USB technology as a low-power chip-to-chip interconnect at speeds up to 480 Mb/ s. The device implements Control， Interrupt， Bulk-In and Bulk-Out USB Endpoints. The Ethernet controller supports auto-negotiation， auto-polarity correction， HP Auto-MDIX， and is compliant with the IEEE 802.3 and 802.3u standards. An external MII interface provides support for an external Fast Ethernet PHY， HomePNA， and HomePlug functionality.
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