Field-Programmable Gate Arrays

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CPU benchmark for Xilinx PAR

Here's a benchmark for PAR (high effort level) running on two different CPUs. The design utilized about 40% of an XC2V4...
9 comments posted 20yrs
posted by pg8192
9 comments posted 20yrs posted by pg8192

P&R speed higher than synthesis

Hi, I seem to be getting a higher P&R speed (I put a constraint on the only clk I have in the design) than that I got f...
1 comments posted 20yrs
posted by cmwee_nospam
1 comments posted 20yrs posted by cmwee_nospam

FFT implementation in Xilinx's Spartan 3

Hi members, I am a student and completely new to FPGA. I am learning VHDL. My objective is to implement FFT in spartan-...
3 comments posted 20yrs
posted by biot.spm
3 comments posted 20yrs posted by biot.spm

Microblaze & Memory DMA operation

Hi, To get started with Microblaze, I'm attempting to do a simple filtering application on audio, real-time. Audio is C...
13 comments posted 20yrs
posted by r_fpga_dev
13 comments posted 20yrs posted by r_fpga_dev

ISE 7.1i & Linux / reg code question

Hi, I've read through the archives for notes and hints on installing ISE 7.1i for Linux. I got curl, portmap, motif, et...
9 comments posted 20yrs
posted by r_fpga_dev
9 comments posted 20yrs posted by r_fpga_dev

reducing the number of IOBS in a design

how can you reduce the number if IOBs a design uses during synthesis? thanks -- Geoffrey Wall Masters Student in Electr...
3 comments posted 20yrs
posted by wallge
3 comments posted 20yrs posted by wallge

modelsim simulation problem

I am trying to load a EDK design in modelsim for simulation.I can successfully compile the files but when I try to simu...
2 comments posted 20yrs
posted by nitesh.guinde
2 comments posted 20yrs posted by nitesh.guinde

Xilkernel problem

Hi there, I'm having problems trying to use Xilkernel on a XPS system designed to work on a Virtex-II Pro FPGA with Mic...
0 comments posted 20yrs
posted by adrian.mora
0 comments posted 20yrs posted by adrian.mora

xilinx ise / update schematics

have archived my project manually (without using ise) and restored it. now, ecs tells me to update every macro instance...
0 comments posted 20yrs
posted by yourmomishot
0 comments posted 20yrs posted by yourmomishot

place and route

Hi! Is there a way to write a placer and router for Xilinx FPGAs. Or the FPGA technology is closed at this level ??
7 comments posted 20yrs
posted by taileb.mehdi
7 comments posted 20yrs posted by taileb.mehdi

Fatal errror in ISE 6.3 i

Hello Guys, I am facing fatal error when i am synthesizing my RTL code. The same code gets synthesized in synplify but...
3 comments posted 20yrs
posted by stud_lang_jap
3 comments posted 20yrs posted by stud_lang_jap

SDRAM quality

I've got my design talking to some (Kingston) KVR133X64/1G SDRAM modules and running at only 66MHz, doing some simple t...
8 comments posted 20yrs
posted by jon
8 comments posted 20yrs posted by jon

several ucf files?

How to manage several ucf files when working with different projects on the same chip? i.e. top_pads.ucf, that is always...
1 comments posted 20yrs
posted by stephane
1 comments posted 20yrs posted by stephane

Block RAM problem (spartan 3)

Hey i have spartan 3 and i wanna know about Block RAM available with it.from xilinx website i came to know that i have...
0 comments posted 20yrs
posted by ni.neofpga
0 comments posted 20yrs posted by ni.neofpga