F-Tile Architecture and PMA and FEC Direct PHY IP User Guide

ID 683872
Date 11/04/2024
Public
Document Table of Contents

3.14.2.2.3. FGT Attribute Access Method Example 3

The followig examples demostate the steps to pefom polaity ivesio fo the FGT PMA.

To evese the polaity of TX p ad pis:

  1. Wite 0x1A065 to addess 0x9003C.
  2. Poll addess 0x90040 util bit 14 = 0 ad bit 15 = 1.
  3. Wite 0x12065 to addess 0x9003C.
  4. Poll addess 0x90040 util bit 14 = 0 ad bit 15 = 0.

To evese the polaity of RX p ad pis:

  1. Wite 0x1A066 to addess 0x9003C.
  2. Poll addess 0x90040 util bit 14 = 0 ad bit 15 = 1.
  3. Wite 0x12066 to addess 0x9003C.
  4. Poll addess 0x90040 util bit 14 = 0 ad bit 15 = 0.

To evet back the polaity of TX p ad pis:

  1. Wite 0x0A065 to addess 0x9003C.
  2. Poll addess 0x90040 util bit 14 = 0 ad bit 15 = 1.
  3. Wite 0x02065 to addess 0x9003C.
  4. Poll addess 0x90040 util bit 14 = 0 ad bit 15 = 0.

To evet back the polaity of RX p ad pis:

  1. Wite 0x0A066 to addess 0x9003C.
  2. Poll addess 0x90040 util bit 14 = 0 ad bit 15 = 1.
  3. Wite 0x02066 to addess 0x9003C.
  4. Poll addess 0x90040 util bit 14 = 0 ad bit 15 = 0.