Why does add IC add IC NC7WV16 between IMX8 mini Enthernet ENET_RX[0:3] and AR8031

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Why does add IC add IC NC7WV16 between IMX8 mini Enthernet ENET_RX[0:3] and AR8031

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wangchqin
Contributor I

Why does add IC add IC NC7WV16 between IMX8 mini Enthernet ENET_RX[0:3] and AR8031  , if I want  change AR8031 to  RTL 8211E  ,  if the  IC NC7WV16 is need ?

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joanxie
NXP TechSupport
NXP TechSupport

refer to the schematic,

Drivers are included in the receive path due to long signal paths
and board-to-board connector. Adopters should place the PHY and
processor on the same board, and eliminate the drivers. Refer to
Atheros documentation for additional guidance

 

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1,362件の閲覧回数
wangchqin
Contributor I

if I use another PHY  as RTL8211F (with normal  driver) ,  and let  the MAC and PHY  in one board without B to B connector ,  can I  omit   IC NC7WV16 ?

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joanxie
NXP TechSupport
NXP TechSupport

yes you can omit it

 

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