V-Series Transceiver PHY IP Core User Guide

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

20.4.5.16. XCVR_TX_VOD_PRE_EMP_CTRL_SRC

Pin Planner and Assignment Editor Name

Transmitter VOD Pre-emphasis Control Source

Description

When set to DYNAMIC_CTL,  the PCS block controls the VOD and pre-emphasis coefficients  for PCI Express. When this assignment is set to RAM_CTL the VOD and pre-emphasis are controlled by other assignments, such as XCVR_TX_PRE_EMP_1ST_POST_TAP.

Options

  • DYNAMIC_CTL: for PCI Express
  • RAM_CTL: for all other protocols

Assign To

Pin - TX serial data

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