Critical Issue
Description
For the serial CORDIC architecture with Phase Accumulator Precision set to 25 and Angular Resolution set to 20, there can be mismatches between the outputs of the MATLAB model and the RTL.
Serial CORDIC architecture of the NCO MegaCore function with Phase Accumulator Precision set to 25 and Angular Resolution set to 20.
The design impact is the comparison of the output values from the MATLAB model and RTL design during testing may show mismatches.
Resolution
Set Phase Accumulator Precision or Angular Resolution to a different value, or use a different architecture.
This issue will be fixed in a future version of the NCO MegaCore function.