L-tile and H-tile Avalon® Memory-mapped Intel® FPGA IP for PCI Express* User Guide

ID 683667
Date 9/26/2022
Public

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7.2.1.2. Avalon-MM to PCI Express Interrupt Enable Registers

The interrupt enable registers enable either MSI or legacy interrupts.

A PCI Express interrupt can be asserted for any of the conditions registered in the Avalon-MM to PCI Express Interrupt Status register by setting the corresponding bits in the Avalon-MM to PCI Express Interrupt Enable register.

Table 65.  Avalon-MM to PCI Express Interrupt Enable Register, 0x0050

Bits

Name

Access

Description

[31:16]

Reserved

N/A

N/A

[15:0]

AVL_IRQ[15:0]

RW

Enables generation of PCI Express interrupts when a specified Avalon-MM interrupt signal is asserted. Your system may have as many as 16 individual input interrupt signals.