Intel® Arria® 10 Transceiver PHY User Guide

ID 683617
Date 9/15/2023
Public
Document Table of Contents

2.6.4.6.6. Control and Status Interfaces

Table 140.  Control and Status Signals
Signal Name Direction Clock Domain Description
led_link

Output

Synchronous to tx_clkout

When asserted, indicates successful link synchronization.

led_disp_err

Output

Synchronous to rx_clkout

Disparity error signal indicating a 10-bit running disparity error. Asserted for one rx_clkout_1g cycle when a disparity error is detected. A running disparity error indicates that more than the previous and perhaps the current received group had an error.

led_an

Output

Synchronous to rx_clkout

Clause 37 Auto-negotiation status. The PCS function asserts this signal when auto‑negotiation completes.

led_panel_link