Triple-Speed Ethernet Intel® FPGA IP User Guide

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ID 683402
Date 5/30/2022
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4.2.10.1. Power-Down in PCS Variations with Embedded PMA

In PCS variations with embedded PMA targeting devices with GX transceivers, the power-down signal is internally connected to the power-down of the GX transceiver. In these devices, the power-down functionality is shared across quad-port transceiver blocks. Ethernet designs must share a common gxb_pwrdn_in signal to use the same quad-port transceiver block.

For designs targeting devices other than Stratix V, you can export the power-down signals to implement your own power-down logic to efficiently use the transceivers within a particular transceiver quad. Turn on the Export transceiver powerdown signal parameter to export the signals.

Figure 36. Power-Down with Export Transceiver Power-Down Signal


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