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    • 2. 发明授权
    • Method and apparatus for autosensing LAN vs WAN to determine port type
    • 自动检测LAN与WAN的方法和装置,以确定端口类型
    • US07200153B2
    • 2007-04-03
    • US09960007
    • 2001-09-20
    • Mark T. FeuerstraeterBradley J. BoothPaul J. WeldonHenning Lysdal
    • Mark T. FeuerstraeterBradley J. BoothPaul J. WeldonHenning Lysdal
    • H04J3/22H24L12/28H04L12/66
    • H03L7/06H04L7/0004H04L7/02H04L7/0337H04L12/40169H04L49/3054
    • An apparatus and method for automatically detecting the port type of a remote device are disclosed. One embodiment of the apparatus includes a data rate detection unit to sample a data rate from an incoming data signal. A first frequency configuration unit is operatively coupled with the data rate detection unit to receive a detected data rate from the data rate detection unit. The apparatus also includes an oscillator to generate a plurality of reference clock frequencies. A frequency selector unit is coupled with the oscillator to select one of the reference clock frequencies. A phase lock unit to phase lock the incoming data signal is coupled with the first frequency configuration unit. A data rate select output is coupled with the first frequency configuration unit to operatively link the first frequency configuration unit with a second frequency configuration unit of a remote device.
    • 公开了一种用于自动检测远程设备的端口类型的设备和方法。 该装置的一个实施例包括数据速率检测单元,用于从输入数据信号中采样数据速率。 第一频率配置单元与数据速率检测单元可操作地耦合以从数据速率检测单元接收检测到的数据速率。 该装置还包括产生多个参考时钟频率的振荡器。 频率选择器单元与振荡器耦合以选择参考时钟频率之一。 锁定输入数据信号的锁相单元与第一频率配置单元耦合。 数据速率选择输出与第一频率配置单元耦合,以将第一频率配置单元与远程设备的第二频率配置单元可操作地连接。
    • 10. 发明授权
    • Physical layer device having a media independent interface for
connecting to either media access control entitices or other physical
layer devices
    • 物理层设备具有用于连接到媒体访问控制实体或其他物理层设备的媒体独立接口
    • US6154464A
    • 2000-11-28
    • US854109
    • 1997-05-09
    • Mark T. FeuerstraeterMichael A. SokolDavid W. Vogel
    • Mark T. FeuerstraeterMichael A. SokolDavid W. Vogel
    • H04L12/413H04L12/44H04L12/46H04L29/08A04J3/16
    • H04L12/40136H04L12/40H04L12/4013H04L12/413H04L12/46H04L69/32H04L2012/445
    • A PHY having a media independent interface (MII) providing connections to a MAC or to another PHY is disclosed. The invention provides a mechanism for connecting a first PHY with a second PHY, wherein the PHY may act as the media access control side of the MII. The system includes a selection means for selecting the mode of operation for the PHY, a MII for providing a synchronous digital interface carrying un-encoded data over separate transmit and receive paths and a translation entity for generating output enables for controlling the flow of the data, wherein the translation entity establishes in response to mode being selected a first flow of data for connecting the PHY to a Media Access Control entity or a second flow of data for connecting the PHY to a second PHY. The translation entity muxes data and control signals based upon the mode selection. A translation synchronization entity is provided. The synchronization entity may includes a 10 Mbps synchronization entity and/or a 100 Mbps synchronization entity. The MII receives a transmit and receive clock from a second PHY when the PHY is connected to a second PHY, and the translation synchronization entity synchronizes the internal clocks and the MII transmit and receive clocks. An interface to a 10 or 100 Mbps repeater entity is provided wherein the interface maps a transmit data path from the translation entity to the repeater entity and receive data paths from the repeater entity to the translation entity.
    • 公开了具有提供到MAC或另一PHY的连接的媒体独立接口(MII)的PHY。 本发明提供了用于将第一PHY与第二PHY连接的机制,其中PHY可以充当MII的媒体访问控制侧。 该系统包括用于选择PHY的操作模式的选择装置,用于提供在单独发送和接收路径上承载未编码数据的同步数字接口的MII和用于产生输出的转换实体,用于控制数据的流动 ,其中所述翻译实体响应于被选择的模式建立用于将所述PHY连接到媒体访问控制实体的第一数据流或用于将所述PHY连接到第二PHY的第二数据流。 翻译实体基于模式选择来复用数据和控制信号。 提供了翻译同步实体。 同步实体可以包括10Mbps同步实体和/或100Mbps同步实体。 当PHY连接到第二PHY时,MII从第二PHY接收发送和接收时钟,并且转换同步实体同步内部时钟和MII发送和接收时钟。 提供到10或100Mbps中继器实体的接口,其中接口映射从转换实体到中继器实体的发送数据路径,并从中继器实体接收到转换实体的数据路径。