UPGRADE YOUR BROWSER

We have detected your current browser version is not the latest one. Xilinx.com uses the latest web technologies to bring you the best online experience possible. Please upgrade to a Xilinx.com supported browser:Chrome, Firefox, Internet Explorer 11, Safari. Thank you!

AR# 29978

LogiCORE IP Discrete Fourier Transform (DFT) - Release Notes and Known Issues

Description

This Answer Record contains the Release Notes and Known Issues list for the CORE Generator software and LogiCORE IP Discrete Fourier Transform (DFT) core.

The following information is listed for each version of the core:

- New Features

- Bug Fixes

- Known Issues

LogiCORE IP Discrete Fourier Transform Lounge:

http://www.xilinx.com/products/ipcenter/DFT.htm

Solution

General LogiCORE IP Discrete Fourier Transform (DFT) Issues

- N/A

LogiCORE IP Discrete Fourier Transform (DFT) v3.1

Initial Release in ISE Design Suite 11.4

New Features

- ISE 11.4 software support

- Virtex-6, Virtex-6 Low Power, Spartan-6, Spartan-6 Low Power and Automotive device support

Bug Fixes

- None

Known Issues

- None

LogiCORE IP Discrete Fourier Transform (DFT) v3.0

Initial Release in ISE Design Suite 10.1 IP Update 2

New Features

- New point size 1296 and optional 1536 added.

- Speed optimization option for 307 MHz version of 3GPPLTE added.

Bug Fixes

- N/A

Known Issues

- (Xilinx Answer 31373) Why does the DFT C-Model keep consuming memory every time I make a call to it?

LogiCORE IP Discrete Fourier Transform (DFT) v2.1

Initial Release in ISE Design Suite 10.1

New Features

- Inverse and direct discrete Fourier transform changeable on frame-by-frame basis

- Point sizes 12*2^n*3^p*5^q in the range from 12 to 1200 points

- Data width variable from 8 to 18 bits for both real and imaginary part

- Virtex-5, Virtex-4, and Spartan-3A DSP device support

- Bit-accurate C model

Bug Fixes

- N/A

Known Issues

- (Xilinx Answer 30653) Why do I receive an error stating that ibstlport.so.5.1 cannot be found, when compiling the C-model using the GNU C++ Compiler (gcc)?

- (Xilinx Answer 30654) Why are there two different versions for GNU C++ Compiler (gcc) listed in the documentation?

AR# 29978
Date Created 03/04/2008
Last Updated 12/15/2012
Status Active
Type General Article