V-Series Transceiver PHY IP Core User Guide

ID 683171
Date 7/26/2022
Public
Document Table of Contents

4.11.1.1. 10GBASE-KR PHY XGMII Mapping to Standard SDR XGMII Data

The 72‑bit TX XGMII data bus format is different than the standard SDR XGMII interface. The following table lists the mapping of this non‑standard format to the standard SDR XGMII interface.

Table 33.  TX XGMII Mapping to Standard SDR XGMII Interface
Signal Name SDR XGMII Signal Name Description
xgmii_tx_dc[7:0] xgmii_sdr_data[7:0] Lane 0 data
xgmii_tx_dc[8] xgmii_sdr_ctrl[0] Lane 0 control
xgmii_tx_dc[16:9] xgmii_sdr_data[15:8] Lane 1 data
xgmii_tx_dc[17] xgmii_sdr_ctrl[1] Lane 1 control
xgmii_tx_dc[25:18] xgmii_sdr_data[23:16] Lane 2 data
xgmii_tx_dc[26] xgmii_sdr_ctrl[2] Lane 2 control
xgmii_tx_dc[34:27] xgmii_sdr_data[31:24] Lane 3 data
xgmii_tx_dc[35] xgmii_sdr_ctrl[3] Lane 3 control
xgmii_tx_dc[43:36] xgmii_sdr_data[39:32] Lane 4 data
xgmii_tx_dc[44] xgmii_sdr_ctrl[4] Lane 4 control
xgmii_tx_dc[52:45] xgmii_sdr_data[47:40] Lane 5 data
xgmii_tx_dc[53] xgmii_sdr_ctrl[5] Lane 5 control
xgmii_tx_dc[61:54] xgmii_sdr_data[55:48] Lane 6 data
xgmii_tx_dc[62] xgmii_sdr_ctrl[6] Lane 6 control
xgmii_tx_dc[70:63] xgmii_sdr_data[63:56] Lane 7 data
xgmii_tx_dc[71] xgmii_sdr_ctrl[7] Lane 7 control

The 72‑bit RX XGMII data bus format is different from the standard SDR XGMII interface. The following table lists the mapping of this non‑standard format to the standard SDR XGMII interface:

Table 34.   RX XGMII Mapping to Standard SDR XGMII Interface
Signal Name XGMII Signal Name Description
xgmii_rx_dc[7:0] xgmii_sdr_data[7:0] Lane 0 data
xgmii_rx_dc[8] xgmii_sdr_ctrl[0] Lane 0 control
xgmii_rx_dc[16:9] xgmii_sdr_data[15:8] Lane 1 data
xgmii_rx_dc[17] xgmii_sdr_ctrl[1] Lane 1 control
xgmii_rx_dc[25:18] xgmii_sdr_data[23:16] Lane 2 data
xgmii_rx_dc[26] xgmii_sdr_ctrl[2] Lane 2 control
xgmii_rx_dc[34:27] xgmii_sdr_data[31:24] Lane 3 data
xgmii_rx_dc[35] xgmii_sdr_ctrl[3] Lane 3 control
xgmii_rx_dc[43:36] xgmii_sdr_data[39:32] Lane 4 data
xgmii_rx_dc[44] xgmii_sdr_ctrl[4] Lane 4 control
xgmii_rx_dc[52:45] xgmii_sdr_data[47:40] Lane 5 data
xgmii_rx_dc[53] xgmii_sdr_ctrl[5] Lane 5 control
xgmii_rx_dc[61:54] xgmii_sdr_data[55:48] Lane 6 data
xgmii_rx_dc[62] xgmii_sdr_ctrl[6] Lane 6 control
xgmii_rx_dc[70:63] xgmii_sdr_data[63:56] Lane 7 data
xgmii_rx_dc[71] xgmii_sdr_ctrl[7] Lane 7 control