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AR# 44929

AXI Bridge for PCI Express - Reading from the Control Registers in the Bridge Returns Incorrect Values


Accessing the Control Registers of the AXI bridge for PCI Express can result in corrupt data. This will happen if the interconnect is not connected to the same clock as the output clock from the bridge.


To work around this issue, add following parameter to the axi_pcie bridge instantiation in the Microprocessor Hardware Specification (MHS) file:


This can also be changed through the interface with the following checkbox:


Revision History:
11/28/2011 - Added image
11/09/2011 - Initial release

Linked Answer Records

Master Answer Records

Answer Number Answer Title Version Found Version Resolved
44972 AXI Bridge for PCI Express FAQ N/A N/A
AR# 44929
Date Created 11/15/2011
Last Updated 08/26/2013
Status Active
Type General Article
  • AXI PCI Express (PCIe)