Answers Database


2.1i 4000XL Map - Guided map creates a corrupted CLB configuration


Record #7239

Product Family: Software

Product Line: FPGA Implementation

Product Part: map

Product Version: 2.1i

Problem Title:

2.1i 4000XL Map - Guided map creates a corrupted CLB configuration


Problem Description:
Guided map creates a CLB with the HLUT equation ~((~G+F)+H1) but
there is no connection configured between the GLUT and HLUT.
Non-guided map works okay.
Urgency: Standard

General Description:
WARNING:Design Rules:185 - Blockcheck: CLB "N_TP_H0L_LMD24CNTUP" has an equation in the H LUT which uses the output of G, but the H0
mux is not configured.


Solution 1:

This problem is scheduled to be fixed in the next (as yet unnamed)
release following version 2.1i. This release is currently scheduled
for May, 2000.




End of Record #7239 - Last Modified: 01/05/00 10:31

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