7-wire 10baseT interface

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7-wire 10baseT interface

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billw
Contributor I

Assorted ethernet-capable coldfire chips (51cn, 52259) support a reduced 7-wire MAC/PHY interface when 10baseT is sufficient.  Can someone recommend some PHY chips that support this interface, preferably in a nice small package?  (I could only find the AMD chip in 80pin!)

 

This IS different than the RMII spec that I see on other new PHY chips, right?  And none of the (smaller) coldfire chips support RMII ?

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billw
Contributor I

Looks like the DP83848 has it, but not the KS872.  And the National datasheet gives me a new keyword for the feature ("SNI")  Thanks!

 

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mjbcswitzerland
Specialist V

Hi

 

Are the Micrel KS8721BL or National Semi DP83848I (both 48 pin QFP) suitable?

 

Regards

 

Mark

 

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