AXI4 Interfaces - 3.2 English

PG153 AXI Quad SPI Product Guide

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3.2 English

The AXI Quad SPI core supports AXI4 interface in Enhanced mode and in XIP mode.

In Enhanced mode, only FIXED AXI4 transactions are allowed for Data Transmit and Data Receive FIFO locations. Any other AXI4 transaction is not allowed and core behavior is not guaranteed.

In XIP mode, all AXI4 transactions are allowed. It is recommended that you use 32-bit AXI4 transactions. The following points cover further debug information.