Error Propagation - 16.2 English

1G/2.5G Ethernet PCS/PMA or SGMII LogiCORE IP Product Guide (PG047)

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16.2 English

A corrupted frame transfer is shown in the following figure. An error can be injected into the frame by asserting gmii_tx_er at any point during the gmii_tx_en assertion window. The core ensures that all errors are propagated through both transmit and receive paths so that the error is eventually detected by the link partner.

Figure 1. GMII Error Propagation Within a Frame