Message

Reply | Reply all

Date Prev | Date Next | Thread Prev | Thread Next Date Index | Thread Index

From: nag_beceie at yahoo.co.in<nag_beceie@y...>
Date: Sat Sep 23 20:24:15 CEST 2006
Subject: [oc] VHDL projects about clock
I am Nageswara rao i looking for
VHDL clock programig type project
----- Original Message -----
From: akfoo@h...
To: cores@o...
Date: Mon, 26 Nov 2001 03:57:47 +0100
Subject: Re: [oc] 8051 VHDL models search

>
>
> JM:
> Thank for your information again. I will going to look for the
> book that
> you recomemded. :-)
> By the way, I still haven't received your attached zip file for
> the
> sources of Mayer's 8051 VHDL (synthesizable). Could you please send
> it
> to me again? For your information, my email address is as below:
> akfoo_uk@h...
>
> If I have any latest information for it, I will forward to you
> as well. :-)
>
> Thank alot!!
>
> Best regard,
> Alex
>
>
> ----- Original Message -----
> From: Jean Masson <Jean.Masson@l... >
> To: cores@o...
> Date: Sat, 24 Nov 2001 15:02:07 +0100
> Subject: Re: [oc] 8051 VHDL models search
>
> >
> >
> > Hello Alex,
> >
> > I beleeved that you had already found the sources in Hamburg
> WEB
> > site. Sorry !
> >
> > I send you an attached zip with the sources of Mayer's 8051
> VHDL
> > code.
> > This is a behavioural VHDL architecture, but it follows 8051's
> true
> > 12 cycles clock. Other models I
> > know don't.
> > After compiling package and removing a non synthetisable
> statement
> > FILE, the source compiles
> > without errors with Xilinx's dev pack. It remains only
> warnings for
> > non synthetisable constructs
> > like impure functions, etc.
> > This is a work of eliminating all simulation specific
> constructs.
> >
> > There is a possible problem with undefined instruction E5H
> wich
> > executes a NULL in Mayer's code.
> > For synthesis it is
> > necessary to do an incrementation of PC. So, I have mixed this
> > instruction with NOP in the main
> > CASE. With a genuine
> > 8051, this code executes also a carry set. Other MCS51 members
> > treat E5H as a NOP. I follow this
> > policy.
> >
> > We are working on a structural/data flow mix of architectures
> for
> > the 8051 core. This is a
> > student's project sheduled for
> > february 2002. I work on 8051's ALU implementation following
> ideas
> > found in the book of André
> > STAUFFER :
> > Systèmes numériques cablés et microprogrammés, Presses
> > Polytechniques Romandes (a Swiss book).
> > This is a good book. It exists perhaps in English. You may
> found
> > equivalent ones directly in
> > English (consult catalog of
> > Kluwer Academic Press, they edit excellent books on VHDL and
> logic
> > synthesis).
> >
> > Good work and best regards,
> >
> > Jean MASSON
> >
> > akfoo_uk@h... a écrit :
> >
> > > Hi JM.
> > > Do you still remember me? I have download those
> source
> > code
> > > according to your information provide. Thank for your > help!! > > :-) > > > Regarding your question, I think there are only > those > > open source > > > code in internet. Those others are need to buy/pay for > their > > source > > > code. If you are interesting on it, you may go and look > as URL > > shown > > > below: > > > http://www.dcd.pl/english/ipcores.htm > > > > http://www.design-reuse.com/EXCHANGER/cast_8051.shtml > > > > > > Hope it will help for you there. :-) > > > > > > Recently I been study the whole source code. Could > you > > send me > > > the synthesizable VHDL comportemental model of Dr. Mayer > to me > > since > > > it got to remove a lot of unsynthesizable VHDL code, and > I'm > > just a new > > > on it? Thank a lot!! > > > > > > ----- Original Message ----- > > > From: Jean Masson <Jean.Masson@l... > > > > To: cores@o... > > > Date: Thu, 11 Oct 2001 14:40:29 +0200 > > > Subject: [oc] 8051 VHDL models search > > > > > > > > > > > > > > > Hello, > > > > > > > > I search VHDL models (structural if possible) of the > 8051 > > > > microcontroller > > > > family. I have found an entry in your server on this > > topic, but > > > > with > > > > nothing inside. > > > > I have downloaded the files of Dalton Project > (University > > of > > > > California) > > > > and > > > > the VHDL comportemental model of Dr. Mayer. Did you > know > > another > > > > files ? > > > > > > > > This if for a students' project. > > > > > > > > Thank you for your help. > > > > > > > > Best regards. > > > > > > > > Dr. Jean MASSON > > > > > > > > > > > <P>zip00000.zip</P> > > >