Re: CPLD in circuit programming

Is this using the Xilinx/Systronix/SmartSC Java code from app note #351, the
C code from app note #58, or something new?

Ed

----- Original Message ----- 
From: "Joel Winarske" <joelw-RfnZ/IetPaS9TMao6EloiEEOCMrvLtNR@xxxxxxxxxxxxxxxx>
To: "Ed Anuff" <ed-w/oILpklh+wAvxtiuMwx3w@xxxxxxxxxxxxxxxx>
Cc: <TINI-6tN4nzCoH/hBDgjK7y7TUQ@xxxxxxxxxxxxxxxx>
Sent: Friday, June 27, 2003 5:17 PM
Subject: Re: [TINI] CPLD in circuit programming


> I have this working with C and Java.  It works quite well.
> You need to create a SVF file using Xilinx iMPACT in file mode.
> Then compress it using the provided utility with source code.
> Then run utility on it.  Works like a champ.
>
> Joel W.
>
>
>
> ----- Original Message ----- 
> From: "Ed Anuff" <ed-w/oILpklh+wAvxtiuMwx3w@xxxxxxxxxxxxxxxx>
> To: <tini-6tN4nzCoH/hBDgjK7y7TUQ@xxxxxxxxxxxxxxxx>
> Sent: Friday, June 27, 2003 8:45 AM
> Subject: Re: [TINI] CPLD in circuit programming
>
>
> > I saw this was discussed a couple of weeks ago but it didn't seem like a
> > solution was found, so I thought I'd add my 2 cents to the subject.
> > Apparently, Xilinx used to support programming a CPLD from the TINI and
> > published an application note to this effect:
> >
> > http://www.xilinx.com/xapp/xapp351.pdf
> >
> > Basically, it describes programming of a CPLD via it's JTAG TAP pins by
> > wiring it to the the following pins on the TINI:
> >
> > TINI D0 -> CPLD TDI
> > TINI D1 -> CPLD TMS
> > TINI PCE0 -> CPLD TCK
> > CPLD TDO -> TINI D2
> > TINI CTX -> CPLD Reset
> >
> > Where it gets interesting is that rather than use the C code used in the
> > current app note on the subject
(http://www.xilinx.com/xapp/xapp058.pdf),
> it
> > used an alternate simplified mechanism described in an app note which is
> no
> > longer available on the Xilinx site which I was able to find with Google
> >
>
(www.nalanda.nitc.ac.in/industry/appnotes/xilinx/documents/xapp/xapp326.pdf)
> > .  I'm sure that the process for programming the CPLD via the TINI was
> slow
> > due to data transer speed, but it looks like assuming the programming
> > instructions are "unrolled" into a byte array, that they're all sent to
> the
> > CPLD via a single DataPort.write call, so that the programming speed
took
> > place at the fatest transfer speed supported via the TINI.
> >
> > The Xapp351 app note describes software for the TINI that at one time
was
> > available for download but which appears to no longer available,
probably
> > because it's unsupported.  I'm posting this in the hopes that someone on
> > this list downloaded it when the app note was first published and still
> has
> > it lying around.
> >
> > Ed
> >
> > ----- Original Message ----- 
> > From: "V Efremov" <vefremov-Wuw85uim5zDR7s880joybQ@xxxxxxxxxxxxxxxx>
> > To: <tini-6tN4nzCoH/hBDgjK7y7TUQ@xxxxxxxxxxxxxxxx>
> > Sent: Thursday, June 12, 2003 1:43 AM
> > Subject: [TINI] CPLD in circuit programming
> >
> > > Hi list,
> > >
> > > Has anyone tried programming the xilinx CPLD from the TINIIn400
itself?
> > > There is an appnote an some source code how to do so from a generic
> 8051,
> > > but I wonder what the implications on the bus may be.
> > >
> > > Is the XILINX in disconnected (high impedance) state while the
> programming
> > > is in progress?
> > >
> > > ~Venelin
> > >
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> >
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>

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