Forum Discussion

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

In Triple Speed Ethernet core, what does the COPPER_LINK_STATUS refer to?

I'm debugging an Ethernet link that fails after several hours of temperature testing. We're using the TSE core in an Arria 10, configured in the 10/100/1000Mb Ethernet MAC with 1000BASE-X/SGMII PCS c...
SengKok_L_Intel's avatar
SengKok_L_Intel
Icon for Regular Contributor rankRegular Contributor
7 years ago

​Hi

You can refer to the PCS control register bit 9 and bit 12. Software can trigger the re-start auto-negotiation. If you read those value with zero, i believe the auto-negotiation may be failed. Please capture more status signal to confirm. And how about if your manually trigger the auto-negotiation again? Will it back to normal?

Regards -SK Lim