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AR# 35786

LogiCORE FIR Compiler v5.0 - Why does the reloadable DA FIR architecture fail to generate with a RAMB16 error when targeting Spartan-6?

Description

Why does the reloadableDA FIR architecture fail to generate with a RAMB16 error when targeting Spartan-6 FPGA?

Solution

This is a known problem in the FIR Compiler v5.0 that was caused a bug in the GUI that is fixed in the ISE 12.2 software release.

There are several ways towork around this GUI bug if you are using the FIR Compiler in a ISE releaseprior to ISE 12.2:

1. Turn off the reloadable coefficient option.
2. Use the Systolic or Transpose implementation architecture.

Please see (Xilinx Answer 29138) for a detailed list of LogiCORE IP FIR Compiler Release Notes and Known Issues.

Linked Answer Records

Master Answer Records

Answer Number Answer Title Version Found Version Resolved
29138 LogiCORE IP Finite Impulse Response Compiler (FIR Compiler) - Release Notes and Known Issues N/A N/A

Associated Answer Records

Answer Number Answer Title Version Found Version Resolved
29138 LogiCORE IP Finite Impulse Response Compiler (FIR Compiler) - Release Notes and Known Issues N/A N/A
AR# 35786
Date Created 05/20/2010
Last Updated 12/15/2012
Status Active
Type General Article
Devices
  • Spartan-6 LX
  • Spartan-6 LXT
IP
  • FIR Compiler