Answers Database


SYN2XNF pre-3.5.0: About 'ERROR 220: Can't open file 'vcc_.xnf'.'


Record #445

Product Family: Software

Product Line: Synopsys

Product Part: syn2xnf

Product Version: 3.5.0

Problem Title:
SYN2XNF pre-3.5.0: About 'ERROR 220: Can't open file 'vcc_.xnf'.'


Problem Description:
Syn2xnf , version Pre-3.5.0 issues: "ERROR 220: Can't open file 'vcc_.xnf' ."


Solution 1:


Using Synopsys Design Compiler v3.1b and writing out
the Xilinx design in EDIF format to design_file.sedif, Syn2xnf
(from the XNFMERGE program) will sometimes issue an error message
about "vcc_" or "ground_" such as:

ERROR 220: Can't open file 'vcc_.xnf'.

This error can be linked to the user's .synopsys_dc.setup file.

The Pre-release XSI User Guide and the .synopsys_dc.setup example
files in the XSI pre3.1 version has the wrong instructions. It tells
users to put the following variable settings in the .synopsys_dc.setup file.

Make sure that you do NOT have the following variables set in your .synopsys_dc.setup file.
edifout_power_name = "vcc"
edifout_power_pin_name = "vcc"
edifout_ground_name = "ground"
edifout_ground_pin_name = "ground"






End of Record #445 - Last Modified: 01/10/96 10:53

For the latest news, design tips, and patch information on the Xilinx design environment, check out the Technical Tips!