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RE: [oc] Floppy disk controller inside schematics wanted !
Please do you know how to find vhdl cores about fdc controller
----- Original Message -----
From: Robert <binarysystems@c... >
Date: Sat, 13 Apr 2002 18:17:16 +0200
Subject: RE: [oc] Floppy disk controller inside schematics wanted !
> I would like to see VHDL cores for the Western Digital WD177x,179x
> 279x series of FDC's. Anyone know of any....?
> ----- Original Message -----
> From: "Paul McFeeters" <paul.mcfeeters@n... >
> To: <cores@o... >
> Date: Fri, 7 Dec 2001 16:22:17 -0000
> Subject: RE: [oc] Floppy disk controller inside schematics wanted !
> > Jean,
> > if you post the web address for the FDC details you get then
> > anybody who
> > wishes to help out can look at them. That way you may get some
> > the best
> > VHDL brains around help you with your problem. Isn't that why
> > opencores is
> > here? So we can help each other out?
> > Paul McFeeters
> > -----Original Message-----
> > From: owner-cores@o...
> > [mailto:owner-cores@o... ]On
> > Behalf Of Jean Masson
> > Sent: 07 December 2001 12:30
> > To: cores@o...
> > Subject: Re: [oc] Floppy disk controller inside schematics
> wanted !
> > Hello Rob,
> > Thank you for your help. I have found some informations of
> > of floppy
> > controller, in 2
> > applications
> > notes of National Semiconductors and a data sheet from Intel.
> > is mainly
> > block diagrams, but
> > they are
> > helpful for understanding process and for comportemental VHDL
> > synthesis.
> > With more detailed
> > schematics,
> > one could hope to do structural or data flow architectures.
> > ideal should
> > be finding of a
> > lecture book
> > with 'theory' of FDC and inside schematics.
> > Basicaly, FDC is a serial-parallel-serial unit. Building
> blocks for
> > serial-parallel and reverse are
> > given by Triscend
> > dev pack. Problem remains with stuffs like data separator and
> > extraction, wich are not
> > trivial things.
> > This is a shame that simple FDC are discontinued by industry.
> > chips
> > are too complex to
> > implement with
> > a 8051 core, wich need only one floppy interface. Worst, they
> > SMD
> > components, wich is
> > problematic for
> > institutions without industrial soldering equipment. I think
> not to
> > be the
> > only guy in universe in
> > search of an answer
> > for lack of simple FDC chips available.
> > I use a Triscend E5 CSoC card produced by Xess, an interesting
> > proteiform concept. Principle of
> > do-it-yourself
> > interfaces for a microcontroller is one of the few good ideas
> > last years.
> > My e-mail adress is :
> > jean.masson@l...
> > Best regards,
> > Jean MASSON
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