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TSB41BA3B: 2个型号相似的1394芯片,和国产器件通信,一个可以通信,一个不能

Part Number: TSB41BA3B
Other Parts Discussed in Thread: TSB41BA3D

用TSB41BA3BTPFPEP和SM41BA3 通信时,可以正常通信,用TSB41BA3DIPFP     和SM41BA3通信时,线缆插上后,phy芯片一直识别不到线缆,是怎么回事?但是TSB41BA3DIPFP可以通过TSB41BA3BTPFPEP该板子上的任意port,与SM41BA3通信,TSB41BA3BTPFPEP这个只上电,串到链路中,就行,这2个芯片在配置上有什么区别吗?