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VHDL


Comp.Arch.FPGA is a worldwide Usenet news group that is used to discuss various aspects of Field Programmable Gate Array (FPGA) based computing systems development.

We found 3753 threads matching "vhdl"

You are looking at page 1 of 94.

The most relevant threads are listed first

VHDL gate level from Xilinx XST

Laurent Gauch - 2004-09-21 19:10:00
Hi all, I need to generate a part of my VHDL project as a VHDL gate level IP, in the goal to protect my generic IP core. In fact, I want to protect my own PCI core before delivering the complet VHDL project. My question: Is this possible to do a VHDL gate level Netlist from XST. Then ...VHDL gate level from Xilinx XST

configuration for a mixed mode VHDL-verilog lang

Rakesh YC - 2004-07-09 04:05:00
Hi all My problem is I'd like to choose a VHDL file instantiated inside verilog via VHDL configuration To summerize: I have a hierarcy: "top:vhdl - verilog - Verlog -vhdl: bottom" How to write a vhdl configuration to select the file for the bottom instantiation? Rakesh YC ...configuration for a mixed mode VHDL-verilog lang

VHDL or verilog

CMOS - 2006-02-16 10:47:00
hi, ive completed a introductory book on vhdl, but not mature enough to do a real world complex designs using vhdl. i've been serching for tutorial guids to learn advanced vhdl, preferebly with case studies, but found non. most of the books on vhdl are introductory level. Some advanced vhdl boo...VHDL or verilog

Getting started VHDL, VHDL for Dummies, Easy Steps for FPGA experiments

Kutaj Vamor - 2005-09-25 05:33:00
Dear FPGA and VHDL Experts, I am new to FPGA and VHDL. I would like to learn VHDL and start experimenting FPGA. I beleive I learn faster and better by experimenting. What would you recommend for beginners like me to getting started with VHDL and FPGA experimentation ? Which SW (for WinXP an...Getting started VHDL, VHDL for Dummies, Easy Steps for FPGA experiments

Combining Schematic and VHDL code in Webpack 8.1 ??

Per Jensen - 2006-07-19 18:09:00
Hello! I am a beginner in VHDL programming. i am programming an Xilinx XC9572XL at the moment, and i have so far used VHDL programming. I am a little bit unsure, if i can combine VHDL and Shcematic, so a part of the circuit is described by Schematic, and another by VHDL. Is it possible, ...Combining Schematic and VHDL code in Webpack 8.1 ??

AWGN in VHDL

MACEI'S - 2003-09-09 11:21:00
Hi guys, Does anybody have any idea or any link or code for Additive White Gaussian Noise in VHDL ? Or any body have written it or not ? Also how to generate Random Number's in VHDL? Thanks Rgds Macie ...AWGN in VHDL

VHDL to Verilog Converter

Ambreen Ashfaq Afridi - 2008-06-03 01:40:00
Hi im looking for a vhdl to verilog converter. Im working with Trimode Ethernet MAC core which is written in VHDL. I have to modify this code but the problem is that I dont have any knowledge of VHDL. I do programming in Verilog.Plz send me any link for the converter. Thank you Regards, Ambree...VHDL to Verilog Converter

Verilog vs VHDL

Kishore - 2006-05-23 17:46:00
Hi, I know this has been brought up many times in various groups but here is my view on them and I would really appreciate some clarification. I started working on FPGA design and stuff some 3 months back or so. All the time I was switching back and forth between verilog and VHDL for var...Verilog vs VHDL

VHDL Packages, Coding Styles for Arithmetic Operations and VHDL-200x Additions

Amal - 2008-12-03 09:41:00
Here is a presentation I did a while ago summarizing the VHDL packages, arithmetic , coding styles and the new features of VHDL-200x. http://www.slideshare.net/akhailtash/vhdl-arithmetic-presentation/ Enjoy, -- Amal ...VHDL Packages, Coding Styles for Arithmetic Operations and VHDL-200x  Additions

Altera and VHDL library

Clemens Hermann - 2005-04-11 09:38:00
Hi, with the latest quartus II software I created two VHDL packages. After testing the packages I wanted to combine them in a custom VHDL library with no success. My goal is to have a directory that contains the library (preferrably precompiled) so that I can pass it around and it could be us...Altera and VHDL library

VHDL modelling USB device

ALuPin - 2004-09-06 08:22:00
Hi VHDL folks, does somebody know if there are VHDL models available for USB devices ? A simple model (behavioral) would do the job. Any hints are appreciated. Thank you for your help. Rgds ...VHDL modelling USB device

VHDL comments in Vim?

Peter Sommerfeld - 2003-12-17 23:16:00
Hi folks, I'm getting tired of commenting large blocks of VHDL code by hand. Anyone know of any Vim scripts that can comment/un-comment a VHDL block? A cursory Google search brings up either nothing or way too much stuff to sift through depending on my search terms ("vhdl vim comment"). ...VHDL comments in Vim?

Re: Need help regarding xupv2p board....

Newman - 2008-07-18 03:52:00
On Jul 18, 1:49=A0am, Wasif Shams wrote: > I bought this board so that I can write the whole software using just > VHDL. but only info i can find is... to use Power PC =A0or microblaze > core using EDK and then have periphirals using VHDL. > > I tried to use JTAG to program the PROM to ...Re: Need help regarding xupv2p board....

Verilog and VHDL mix

Remis Norvilis - 2004-02-12 21:55:00
I wonder if it is possible to synthesize on one chip VHDL and Verilog IP cores. I suppose the VHDL to Verilog or vice versa translator could be used. Ideas are welcome. Remis -- ************************************************ To reply, remove > .spam < and > .fake < ...Verilog and VHDL mix

Good VHDL reference?

Nico Coesel - 2007-09-11 15:33:00
It seems I have misplaced my VHDL book a long time ago and I can't figure out where I left it. In short: I need a new VHDL book :-( Can anyone recommend a good generic VHDL reference? I'm not looking for a book with a particular bias towards fpga design, asic design, or simulation. -- R...Good VHDL reference?

Re: How to write compact DFF chain?

Thomas Stanka - 2006-03-28 01:24:00
Xpost from OP, FUp2 comp.lang.vhdl Davy schrieb: > Sometimes I have to write long DFF chain like below: In VHDL you would write if reset_active then DFF '0'); elsif rising_edge(Clk) DFF ...Re: How to write compact DFF chain?

VHDL or Verilog

Clemens Hagen - 2005-04-21 05:23:00
Hello I have a very basic question. Normally you have the choice if you want to use VHDL or Verilog for describing you hardware architecture. I would be interested when do you decide for VHDL and when for Verilog. Are the special cases when it makes more sense to use one or the other lang...VHDL or Verilog

VHDL model for Micron SDRAM simulation ?

sjulhes - 2006-06-26 06:23:00
Hello all, I'm desigining a Xilinx FPGA with a sdram controller for a MT48LC8M16A2-75 memory but I can not find anymore the VHDL model on the Micron's website ! Does someone know if it still possible to get a VHDL from Micron ? As there still verilog models on the Micron's website and as ...VHDL model for Micron SDRAM simulation ?

XML for VHDL documention and structural description of Hardware SoC

Amontec Team - 2003-07-11 10:29:00
Hi VHDL GNU men, Amontec is interested to build an auto-documentation of our VHDL libraries, cell-by-cell. The documentation will stay basic, like : general description port description generic description implementation description license description note description The goal is t...XML for VHDL documention and structural description of Hardware SoC

Xilinx Floating Point C Simulation aka VHDL/Verilog --> C Conversion?

Simon Heinzle - 2006-06-26 10:31:00
Hi Guys, I need a C Simulation of some Floating Point Cores from the Xilinx coregen. I thought about automatically converting the behavioral VHDL code to C, e.g. with V2C or VHDL-2-C (found via comp.lang.vhdl FAQ part 3). While I'm investigating this -- has anyone in this group already don...Xilinx Floating Point C Simulation aka VHDL/Verilog --> C Conversion?

Writing VHDL, Software dummy!

2006-09-18 07:31:00
I have a couple of questions regarding VHDL and FPGAs as I am starting a project on them shortly0. Before I start I would like to apologize for my lack of knowledge on them. I am a software developer not a hardware so you might have to take this into consideration when explaining. I know V...Writing VHDL, Software dummy!

using shared vhdl code in customer ipif block

Frank van Eijkelenburg - 2007-02-15 16:21:00
Hi, I have a small microblaze system with my own ipif peripheral. In this peripheral I want to use a vhdl block which is also used in another part of my project. Is this possible? Because when building the system, the edk looks in the pcores/ /hdl/vhdl directory for sources (where it doesn...using shared vhdl code in customer ipif block

VHDL vs Verilog

whygee - 2010-02-12 19:15:00
hi, recently I read a quote about VHDL vs Verilog, along the lines of "VHDL is made by SW people who don't understand HW and vice versa"... Does anybody know the exact wording and origin ? yg -- http://ygdes.com / http://yasep.org ...VHDL vs Verilog

Port mapping a Verilog component in a VHDL design

ALuPin - 2004-01-15 10:50:00
Dear Sir or Madam, I have the following problem: I have a simulation component which is written in Verilog (not a trivial one which could be translated to VHDL). My toplevel design and all other components are written in VHDL. My question: Is it possible to include this Verilog compone...Port mapping a Verilog component in a VHDL design

co-sim for handel C with modelsim vs pure modelsim VHDL simulation

2008-04-30 12:25:00
Hi, has anybody tried using co-sim for Handel C with modelsim? I managed to set up the co-sim environment, and got the handel C code to work with my EDK generated microblaze environment (in VHDL). In short, I am using handel C to build a peripheral which i attached to microblaze via the FSL b...co-sim for handel C with modelsim  vs pure modelsim VHDL simulation

Code blocks to realize this in VHDL

mstanisz - 2009-05-05 17:27:00
I've searched a little more and found that if I can somehow merge Ben Cohen's 0 ohm device (http://groups.google.com/group/comp.lang.vhdl/msg/7d14832588a0cabb) with a bi-directional MUX (http://www.tek-tips.com/viewthread.cfm?qid=1188582&page=7), then I might be able to create the VHDL module I woul...Code blocks to realize this in VHDL

Creating EDIF from Verilog, then using VHDL wrapper

Robin Bruce - 2006-07-20 12:13:00
Hi group, here's a question: Can I synthesise a component described in Verilog, obtain an EDIF, then write a VHDL wrapper around it so as to integrate it into a greater VHDL project. yours in ignorance, Robin ...Creating EDIF from Verilog, then using VHDL wrapper

I need a good reference for VHDL

Teece - 2008-10-08 12:49:00
Hi, I have been writing Verilog code for many years but the time has come for me to learn VHDL. Please recommend either a book or web reference or learning VHDL that would be good for someone that is experienced in FPGA architecture and Verilog. Thank You Tom tom_cip_11551@hotmail.com ...I need a good reference for VHDL

how to use the design results of the vhdl code for a program in C code

lolita grenoble - 2010-03-15 05:51:00
hello, i need help. i work over an algo in C langage that verifies a design described in VHDL for it, i want take all informations from my vhdl code for use them in my programme in C and i don't know how. ...how to use the design results of the vhdl code for a program in C  code

how to read bmp file in vhdl

suni - 2010-02-20 09:47:00
helo i am in B.E.-E&TC,doing project on DIGITAL WATER MARKING TECH.. I need to convert matlab code in to vhdl for downloading,if not then how to read bmp file in vhdl?..Can u please help me out.. ...how to read bmp file in vhdl

ieee_ proposed library

FPGA - 2008-01-14 15:54:00
Hello all, I am trying to use some of the proposed functions by IEEE which are still awaiting approval. http://www.vhdl.org/vhdl-200x/vhdl-200x-ft/packages/float_pkg_c.vhdl I am getting the following errors **Error: C:/Modeltech_pe_edu_6.3c/examples/util_top.vhd(58): Library ieee_proposed n...ieee_ proposed library

advanced vhdl lerning

CMOS - 2006-02-04 11:00:00
hi, i've completed a introdutory vhdl book and done several small scale designs using vhdl for FPGA implementations. However the book i read does not cover any advanced topics or designs that we meet in real life, like micro-controllers, USB interfaces, etc. i' ve serched the net for books and ...advanced vhdl lerning

16550 VHDL code

2005-10-10 03:36:00
Hello, I'm currently writing VHDL code for an Altera cyclone, the EP1C6. One of the modules i need is an 16550 compatible UART which has to communicate through an ISA bus (PC104). My question is if somebody has the VHDL code for it, or can tell me where i can find code (i've already asked q...16550 VHDL code

Building Gradually Expertise on VHDL/Verilog Design

2007-05-30 18:50:00
Hi, i have been reading the VHDL language over the last week and now i want to put what i have learned so far into practice but don't know really from where to start. As such, i am just wondering if there is any lab book or a web based tutorials that help a newbie like me to gradually get a g...Building Gradually Expertise on VHDL/Verilog Design

WebPack - mixed design flow

Valentin Tihomirov - 2003-09-13 09:52:00
My system has netlist in EDIF while some of technology elements used in the netlist are described in a separate VHDL file at logic level. WebPack supports only pure EDIF, schematic, Verilog or VHDL design flows. Is ther a way to compile a mixed design? That is, I first elaborate VHDL and then l...WebPack - mixed design flow

Mixed RTL ,XILINX EDK

mack - 2004-11-07 04:56:00
Hi, I want to add my peripheral(which has both VHDL and Verilog design files) into xilinx MB system.I am using XILINX 6.3 currently.I went thru CREATE/IMPORT PERIPHERAL WIZARD.There in no option available there to mention that my design has both VHDL and Verilog.But I could succesfully add my...Mixed RTL ,XILINX EDK

from VHDL to FPGA

elesser - 2006-06-11 15:50:00
Hi everyone, I'm a student electronics and computer engineering, and I've already got quite a bit of experience with hardware design in general and with VHDL. I was wondering if someone knows a good reference or book that explains what the VHDL compiler actually does with the code, to conve...from VHDL to FPGA

Need help with VHDL simulation with SPW in Linux

dang_hut@yahoo.com - 2007-02-19 04:52:00
Hi every one. I am newbie in FPGAs, although I can write VHDL. I already setup a copy of Cadence SPW 4.82 from my company to study FPGA myself. My OS is Scientific Linux 3.08 (clone of Redhat Enterprise 3.x). My purpose is to design in SPW by using fixed-pointed HDS, and generate to VHDL to ...Need help with VHDL simulation with SPW in Linux

Info request about Synplify and Foundation usage

2008-09-16 12:12:00
Dear all, I'm try to use VHDL code with some old XC5202PQ100-6 part that I've from my old design. Old design was did by using Foundation 2.1i and Schematic Entry, now I'm searching a way to use the VHDL coding to do some simple example and learn VHDL. My Foundation tools was only a base install...Info request about Synplify and Foundation usage

hex rep. in VHDL

anupam - 2005-10-27 23:40:00
hi, I have a small query in VHDL language. Like we write in Verilog fifo_data ...hex rep. in VHDL
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