MDIO 协议练习器和分析器
MDIO 协议分析器和练习器（PGY-MDIO-EX-PD）是一种协议分析器，具有多种功能，可捕捉和调试主机与被测设计之间的通信。 PGY-MDIO-EX-PD 是一款领先的仪器，设计和测试工程师可通过将 PGY-MDIO-EX-PD 配置为主站/从站、生成 MDIO 流量和解码 MDIO 协议解码包，测试各自的 MDIO 设计是否符合规范。
MDIO 也称为管理数据输入/输出（或 MDIO），是一种双线串行总线，用于管理千兆位以太网设备中介质访问控制器（MAC）的物理层设备。 这些 PHY 的管理基于对其各种寄存器的访问和修改。
多域视图
多域视图在单一图形用户界面中提供 MDIO 协议活动的完整视图。 用户可以使用图形用户界面或脚本轻松设置分析仪以生成 MDIO 流量。 用户可以捕捉特定事件中的协议活动，并解码主站和从站之间的转换。 解码结果可在时序图和带有自相关性的协议列表窗口中查看。 这种全面的信息视图使其成为业内最佳产品，为调试 MDIO 协议活动提供了易于使用的解决方案。
锻炼者
PGY-MDIO-EX-PD 支持使用图形用户界面和脚本生成 MDIO 流量。 用户可使用图形用户界面生成简单的流量生成，以测试 DUT。 基于脚本的 GUI 提供了模拟现实世界中完整预期流量（包括错误注入）的灵活性。 在这个示例脚本中，用户可以生成如下的 MDIO 流量：
脚本行 #1：设置系统频率为 25MHz，CLK 到 DATA 延迟为 0ns，占空比为 50%，系统信息间隙为 0us
脚本第 3 行：写
脚本行 #4: 写
脚本第 5 行：阅读
脚本行 #6: 阅读
脚本第 7 行：写
时序图和协议列表视图
时序视图提供了 MDC 和 MDIO 信号图以及总线图。 在数字定时波形上叠加协议位将有助于轻松调试协议解码数据。 光标和缩放功能可方便地分析时序图中的协议，查找任何时序错误。
协议窗口提供每个状态下的解码数据包信息以及所有数据包详细信息以及数据包中的错误信息。 协议列表窗口中选定的帧将在定时视图中自动关联，以查看数据包的定时信息。
设置视图
PGY-MDIO-EX-PD 同时支持第 22 条和第 45 条。 用户可根据自己的偏好在设置视图中进行设置。
MDIO 规格
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