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TM4C1294NCPDTI 和marvell switch 对接



我在使用TM4C1294N 和marvell的芯片以太网对的时候,采用电容隔离
发现TM4C1294N的需要通过49.9ohm 上拉到3V3,但是marvell这边不需要上拉
查了一下资料,发现这是电流型和电压型phy的对接,请问假如marvell这边不接上拉电阻
TM4C1294N 需要怎么修改,如下图,请帮忙看看,谢谢