Hardware Debug - 3.5 English

Quad Serial Gigabit Media Independent LogiCORE Product Guide (PG029)

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3.5 English

Hardware issues can range from link bring-up to problems seen after hours of testing. This section provides debug steps for common issues. The Vivado Design Suite debug feature is a valuable resource to use in hardware debug. The signal names mentioned in the following individual sections can be probed using the Vivado Design Suite debug feature for debugging the specific problems.

Many of these common issues can also be applied to debugging design simulations. Details are provided on:

Problems with the MDIO

Problems with Data Reception or Transmission

Problems with Auto-Negotiation

Problems in Obtaining a Link (Auto-Negotiation Disabled)

Problems with a High Bit Error Rate