R-Tile Avalon® Streaming Intel® FPGA IP for PCI Express* User Guide

ID 683501
Date 4/10/2024
Document Table of Contents Credit Update/Release

Once the initialization is completed, the source will decrement the credit available for transmission whenever it transmits a transaction. The source also increments the credit available count by *crdt_update_cnt whenever the sink asserts the *update signal.

Figure 30. Credit Update Timings