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AR# 14302

4.1i XST - "ERROR:Xst:851 - "file.v", line xx: Module <module_name> has no port."

Description

General Description:

When a module definition has no port listing, XST will generate the following error message:

"ERROR:Xst:851 - "file.v", line xx: Module <module_name> has no port."

Solution

XST does not support the synthesis of modules without ports. Check to ensure that you are not synthesizing the project's Verilog test fixture.

AR# 14302
Date Created 08/29/2007
Last Updated 04/13/2010
Status Archive
Type General Article