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  3. AR# 38826: LogiCORE IP Gamma Correction v3.0 - Why are the two Least Significant Bits (LSB) incorrect when I select Interpolate?

AR# 38826

LogiCORE IP Gamma Correction v3.0 - Why are the two Least Significant Bits (LSB) incorrect when I select Interpolate?

Description

Why are the two Least Significant Bits (LSB) incorrect when I select Interpolate?

Why do I see a difference in the two Least Significant Bits (LSB) between the C-Model and the HDL?

Solution

This is a known issue with the Gamma core that is scheduled to be fixed in the next release of the Gamma. The C-Model outputs the correct results. This issue is resolved in the Gamma Correction v4.0 core.

For a detailed list of LogiCORE Gamma Correction Release Notes and Known Issues, see (Xilinx Answer 32135).

Linked Answer Records

Master Answer Records

Answer Number Answer Title Version Found Version Resolved
31235 10.1 EDK - "ERROR:ConstraintSystem:8 - The file 'system.ucf' could not be opened for reading" N/A N/A

Associated Answer Records

Answer Number Answer Title Version Found Version Resolved
32135 LogiCORE IP Gamma Correction - Release Notes and Known Issues N/A N/A
AR# 38826
Date 05/23/2014
Status Archive
Type General Article
IP