Mailbox Client IPs User Guide

ID 683290
Date 4/07/2025
Public
Document Table of Contents

1.4. Mailbox Client IP Core Interface Signals

The host communicates with the Mailbox Client IP over its Avalon® memory-mapped interface.

Through the AXI manager interface, the crypto service has access to the lowest 1 GB of memory, with a maximum data size of 512 MB per each read and write operation.

Note: For Agilex™ 7, Agilex™ 5, and Agilex™ 3 devices, the AXI manager interface is available if you enabled the Enable Crypto Service parameter.
The following figure illustrates the Mailbox Client IP interfaces.
Figure 2.  Mailbox Client IP InterfacesThe AXI manager interface is only available in Agilex™ 7, Agilex™ 5, and Agilex™ 3 devices with the Enable Crypto Service parameter enabled.
Note: For information about the AXI manager interface, refer to the AXI Manager Interface table.
Note: The avmm_waitrequest signal is mandatory in Quartus® Prime software version 23.2 or later.