Read Priority (RD_PRI_REG) - 1.0 English

Versal Adaptive SoC Soft DDR4 SDRAM Memory Controller LogiCORE IP Product Guide (PG353)

Document ID
PG353
Release Date
2023-10-18
Version
1.0 English

Read and write address channels are served with equal priority in this mode. The requests from the write address channel are processed when one of the following occurs:

  • No pending requests from read address channel.
  • Read starve limit of 256 is reached. It is only checked at the end of the burst.
  • Read wait limit of 16 is reached.

The requests from the read address channel are processed in a similar method.