Receiver EQUALIZATION - Receiver EQUALIZATION - UG861

Spartan UltraScale+ FPGAs SelectIO Resources User Guide (UG861)

Document ID
UG861
Release Date
2026-04-28
Revision
1.1 English

The receiver equalization (EQUALIZATION) feature (HP and XP5IO I/O banks) allows equalization at the receiver for certain I/O standards. The allowed values for the EQUALIZATION attribute are:

  • EQ_LEVEL0
  • EQ_LEVEL1
  • EQ_LEVEL2
  • EQ_LEVEL3
  • EQ_LEVEL4
  • EQ_LEVEL5 (XP5IO I/O banks only)
  • EQ_LEVEL6 (XP5IO I/O banks only)
  • EQ_LEVEL7 (XP5IO I/O banks only)
  • EQ_LEVEL8 (XP5IO I/O banks only)
  • EQ_NONE (Default)