Low Latency 100G Ethernet Intel® FPGA IP Core User Guide: For Intel® Stratix® 10 Devices

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ID 683100
Date 2/16/2022
Public
Document Table of Contents

7.8.4. Auto Negotiation Config Register 2

Provides the following configuration options:
  • Reset AN
  • Restart AN TXSM
  • AN Next Page

Offset: 0xC1

Access: RW

Auto Negotiation Config Register 2 Fields

Bit Name Description Access Reset
8 an_next_page AN Next Page

1: Indicate new next page info to send. The data in the XNP TX registers

0: No next pages to send, send TX Null pages

RW 0x0
4 restart_an_txsm Restart AN TXSM

1: Restart the AN Transmit State Machine

0: Normal operation

Maps to state variable mr_restart_negotiation in IEEE 802.3 CL 73.10.1.

   
0 reset_an Reset all AN state machines

1: Reset all the AN state machines

0: Normal operation

Maps to state variable mr_main_reset in IEEE 802.3 CL 73.10.1
RW 0x0

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