Forum Discussion

FYing's avatar
FYing
Icon for New Contributor rankNew Contributor
7 years ago

A little problem with the ethernet ip core

hi,everyone.​I am verifying Gigabit Ethernet. Since my board does not have a PHY , I want to configure the mac to self-loopback mode.I configured the ip core according to the manual, but the simulati...
SengKok_L_Intel's avatar
SengKok_L_Intel
Icon for Regular Contributor rankRegular Contributor
7 years ago

Hi, The Loop_ENA bit is used to enable the MAC Loopback, and it should work. You can refer to the TSE user guide, section Section 5.3, when you set the TX_ENA & RX_ENA, you can also set the Loop_ENA to 1.

https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ug/ug_ethernet.pdf

As for the example design, you can refer to the AN647, there is a tcl script that allow the use to configure the internal MAC loopback (page 17).

https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/an/an647.pdf

Regards -SK Lim (Intel)