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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/1377522/faq-tusb211a-why-does-the-usb-2-0-redriver-not-appear-to-work-when-taking-eye-diagrams
工具与软件：
为了执行眼图测试、TUSB211A 和其他 USB 2.0转接驱动器必须在上电或复位后首先检测示波器端接。 检测到端接后、转接驱动器将启用升压功能以正确呈现眼图。
TUSB216 数据表的第8.2.2.1节提供了更多详细信息。
