PCI Express: Migrating to Stratix 10 from Arria 10 for the Avalon-MM and Avalon-MM DMA Interfaces

ID 683459
Date 1/23/2017

3.9. Interrupt Interface

Table 10.  Interrupt Interface
Stratix 10 Arria 10, Stratix V Comments

Not available


Stratix 10: No ACK generated for legacy interrupts. User logic must form and parse packets.



Stratix 10: Supports legacy interrupts A, B, C, and D. Supports the following 4 additional status signals:

  • [4]: RC AER error interrupt status
  • [5]: Root complex PME interrupt status
  • [6]: Asserted when hot plug event occurs and PME is enabled
  • [7]: Hot plug event interrupt status

Arria 10, Stratix V: Supports Legacy Interrupts A, B, C, and D.


Not supported

Stratix 10: Supports the following 4 status indicators:

  • [0]: Interrupt status for autonomous bandwidth status register

  • [1]: Interrupt status for bandwidth management status register

  • [2]: Interrupt status for link equalization request bit in the link status register