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TMS570芯片以太网通信,如果两个同样的芯片在板内通信,可以不用接PHY芯片,直接把芯片的信号线相连使用吗?

Other Parts Discussed in Thread: TMS570LC4357

TMS570芯片以太网通信,如果两个同样的芯片在板内通信,可以不用接PHY芯片,直接把芯片的信号线相连使用吗? TMS570LC4357型号的芯片,支持一路以太网口。想要实现2块芯片之间高速通信,能否直接将2个芯片的以太网的通信io直接相连,不经过phy芯片,这样可以省空间,降低成本。这样是否可行?