Field-Programmable Gate Arrays

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speed control ac motor in FPGA

I need help about controlling the speed of an ac trifasic motor, thanks
5 comments posted 20yrs
posted by feedcaseg
5 comments posted 20yrs posted by feedcaseg

for all those who believe in ASICs....

http://www.eetimes.com/news/semi/showArticle.jhtml;jsessionid=2VY5CYWYDOXWUQSNDBCSKH0CJUMEKJVN?articleID=181501385 Well...
175 comments posted 20yrs
posted by austin
175 comments posted 20yrs posted by austin

Questions about counter in VHDL

I have implemented a 8-bit synchronous counter by VHDL. The result is that the LED display show continuously running th...
13 comments posted 20yrs
posted by sandypure
13 comments posted 20yrs posted by sandypure

recommendation for JTAG Boundary Scan software??

Can anyone recommend some rea$onable software for doing JTAG boundary scan? I have a design with some CPLD's that are B...
5 comments posted 20yrs
posted by clement
5 comments posted 20yrs posted by clement

Xilinx ISE8.1 & MIG1.5 crash

hello all, I just downloaded Xilinx ISE8.1 and Memory Interface Generator MIG1.5. I selected a DDR2-Sodimm to implement...
1 comments posted 20yrs
posted by ask
1 comments posted 20yrs posted by ask

Xilinx LVDS

Hi, I want to findout the minimum accepted voltage difference for LVDS in Xilinx Spartan3 FPGAs. For example is 40mV acc...
6 comments posted 20yrs
posted by hakan.sakman
6 comments posted 20yrs posted by hakan.sakman

Atmel using Xilinx FPGAs

Whilst reading the current issue of Atmel's Applications Journal I was intrigued to see that they are using Xilinx FPGAs...
1 comments posted 20yrs
posted by leon_heller
1 comments posted 20yrs posted by leon_heller

Internal pull down on the FPGA.....

Hi all, I am facing a problem with my design. In which i assigned tri state buffers to drive a bus which is connected t...
2 comments posted 20yrs
posted by vssumesh_asic
2 comments posted 20yrs posted by vssumesh_asic

Microblaze multiplier Virtex2pro vs. Spartan3e

If I compile my Microblaze project for Virtex2pro, the compiler uses the mul instruction (hw multiplier) as expected. I...
1 comments posted 20yrs
posted by alan
1 comments posted 20yrs posted by alan

A few questions about FPGAs

I had two basic questions about FPGAs and I wanted to know what you guys thought about those: 1. Are FPGAs mostly PALs...
2 comments posted 20yrs
posted by mahurshi
2 comments posted 20yrs posted by mahurshi

Terminologie/knowledge issu

Hi all, What's that mean : "Low Level Verification of ASIC Soc"?. The SoC should be tested on development board contain...
3 comments posted 20yrs
posted by thomas.b36
3 comments posted 20yrs posted by thomas.b36

Retiming a datapath

Hi, i've a problem using xilinx xst synthesis tool. I need to do the retiming of a combinatorial datapath. I followed t...
0 comments posted 20yrs
posted by giovannibusonera
0 comments posted 20yrs posted by giovannibusonera