AR# 47109

Virtex-5 Endpoint Block Plus for PCI Express - Value for cfg_interrupt_mmenable signal

Description

Virtex-5 PCIe block plus User Guide (UG341) describes only "000b" encoding for cfg_interrupt_mmenable signal. This answer record contains the description of other encoding values for this cfg_interrupt_mmenable signal.

Solution

For encoding values other than "000b", please refer to 6.8.1.3 Message Control for MSI of the PCI Local BUS SPECIFICATION, REV. 3.0.

Encoding	# of Vectors Allocated
000	1
001	2
010	4
011	8
100	16
101	32
110	Reserved
111	Reserved

Revision History:
4/3/2012 - Initial Release

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Linked Answer Records

Master Answer Records

Answer Number	Answer Title	Version Found	Version Resolved
34536	Xilinx Solution Center for PCI Express	N/A	N/A

AR# 47109
Date	08/30/2013
Status	Active
Type	General Article
Devices	Virtex-5
IP	Virtex-5 Endpoint Block Plus Wrapper for PCI Express ( PCIe )

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