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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/790186/tsb41ba3b-ep-internal-loopback-mode
大家好、
链路层或 PHY 芯片是否有任何类型的内部环回模式？
我知道有一个 TESTMODE 输入、不建议用户使用、但它具有回送功能吗？
谢谢你。
