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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/803854/tusb2046b-tusb2046b-can-t-communicate
TUSB2046B，无法通信，客户 sch 已连接，原因是什么，哪种方法可以检查，谢谢。
Neal、您好！
它们缺少 DP0线路上的1.5K 上拉电阻器、需要将下行端口上的1K 下拉电阻器更改为15K 下拉电阻器。
此致、
JMMN
