Cyclone® V Hard Processor System Technical Reference Manual

ID 683126
Date 8/28/2023
Public
Document Table of Contents

8.3.12.1. Data Release Mechanism

For system interconnect ports with data FIFO buffers whose depth is greater than zero, you can set a write tidemark function, wr_tidemark. This tidemark level stalls the release of the transaction until one of the following situations occurs:

  • The system interconnect receives the WLAST beat of a burst.
  • The write data FIFO buffer becomes full.
  • The number of occupied slots in the write data FIFO buffer exceeds the write tidemark.