External Memory Interface Handbook Volume 3: Reference Material: For UniPHY-based Device Families

ID 683841
Date 3/06/2023
Document Table of Contents

5.2.1. Backpressure Support

The write response and read data channels do not support data transfer with backpressure; consequently, you must assert the ready signal for the write response and read data channels to 1 to ensure acceptance of data at any time.
Figure 53. Data Transfer Without Backpressure

For information about data transfer with and without backpressure, refer to the Avalon® Interface Specifications.