Skip to main content

I am using PCI-Express (PCIe) with Cyclone® V with the Avalon®-MM interface. The description of the RxmByteEnable signal in the user guide says "DWORD enables for write data." Is this signal not available for Read Transaction?

I am using PCI-Express (PCIe) with Cyclone® V with the Avalon®-MM interface. The description of the RxmByteEnable signal in the user guide says "DWORD enables for write data." Is this signal not available for Read Transaction?

  • Updated

It can also be used for Read Transactions. 
If the purpose is to obtain the Data Length of a Transaction, the TLP can also be observed with the internal Avalon®-ST signal.

Cyclone V Avalon Memory-Mapped (Avalon-MM) Interface for PCI Express Solutions User Guide

-------------------- 
Category: PCI-Express 
Tools: - 
Device: Cyclone® V

Related articles