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XAPP1042-利用GPIO实现以太网PHY寄存器访问

  • 资源大小:126 K
  • 上传时间: 2013-10-17
  • 上传用户:fzfnzlmv
  • 资源积分:2 下载积分
  • 标      签: XAPP 1042 GPIO PHY

资 源 简 介

The XPS Ethernetlite peripheral does not provide any mechanism to access the Ethernet PHYregisters. These registers are used to configure auto negotiation parameters and to obtain PHYstatus. This application note provides reference systems and associated software to accessPHY registers by connecting the serial management bus signals MDC and MDIO to GPIOswhich the software controls directly.

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