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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1492143/hd3ss3220-power-management-forum
工具与软件：
HD3SS3220 DFP 软件狗评估模块说明 C18、C20、R39、R40、R41和 R42用于实现互操作性 且 USB VCM 高于2V 如果将主机连接部分替换为集线器上行端口、是否仍需要 R39、R40、R41和 R42？
尊敬的 Jimmy：
此问题是否与此帖子相关？ https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1492155/hd3ss3220-pull-down-resistors-on-the-rx-and-tx-differential-lines
如果您有任何其他问题、请告诉我
此致、
Kameron
