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10G ETHERNET MAC IP -10GBase-R Design example

Altera_Forum
Honored Contributor II
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Hello, 

In 10G E MAC example design which is available in Altera/IP/Ethernet/altera_eth_10g_design_example/altera_eth_10g_mac_base_r.  

In this example design 10G E MAC and 10G BASE-R Phy are used and if you observe in this document "https://www.altera.com/content/dam/altera-www/global/en_US/pdfs/literature/ug/10gbps_mac.pdf" page number 24, there are two PHY's.  

1. 10G BASE-R PHY/ XAUI PHY  

2.External PHY 

 

I'M confused with this External PHY. In the design example already there is 10GBASE -R PHY with 10G-EMAC, but why this External PHY is used. 

Please let me know the application of this external PHY. 

 

regards 

Vinod
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Altera_Forum
Honored Contributor II
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If not mistaken the IP allow use to instantiate only the MAC portion, then you will need to hook it up with external PHY chip.

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