AR# 1393

XEPLD Optimize: Unexpected error: epldinst.cc:40

Description

When attempting to Implement a CPLD design in the
Design Manager/Flow Engine, the following error occurs:

Reading <design>.xff
Unexpected error detected.
Please report to Xilinx with reference:
"epldinst.cc:40"

This may be caused by an illegal connection in the design.

For example, the following configuration has been seen to cause
this error:

signal-----OBUF------OPAD
|
|
internal signal----

This would be illegal since an OBUF cannot drive internal logic.

Solution


Check the schematic for illegal connections.
AR# 1393
Date 10/07/2008
Status Archive
Type General Article