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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/1165813/faq-dp83867e-how-to-force-10-100-1000-mbps-speed-in-ethernet-phys
为了强制特定速度、在禁用所有不需要速度的广播时、自动协商保持启用状态。
下面包含了在 DP83867的 USB-2-MDIO 接口中执行此操作的脚本。 如果使用不同的接口、则引用每个脚本中显示的相同的寄存器写入序列。
DP83867_Force10Mbps.txt
DP83867_Force100Mbps.txt
DP83867_Force1000Mbps.txt
