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#### BIG PROBLEM : Configuration Boot Problem Stratix

hi,

we've got some Stratix DSP development kit EP1S25 where at the
power-on don't load the flash memory to the FPGA !!!

We've seen that the EPLD MAX 7064 often fail the programmation of the
FPGA...

We've seen that the RESET of this EPLD is in the same time that the
3.3 V power-on...

Did someone have this this problem yet... and how to boot at any time
on power-on ?

Perhaps it's be better if the RESET is after the 3.3V power-on ?

We utilizes 3 board in a big system and we have this problem now of
non programming at boot..

Thanks

 0
patrick
6/20/2005 2:05:46 PM
comp.arch.fpga 18587 articles. 2 followers.

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"Patrick" <patrick.melet@dmradiocom.fr> schrieb im Newsbeitrag

> Perhaps it's be better if the RESET is after the 3.3V power-on ?

Use a voltage monitor that releases the reset after ALL voltages are valid.

Regards
Falk


 0
Falk
6/20/2005 6:06:06 PM
"Falk Brunner" <Falk.Brunner@gmx.de> wrote in message news:<3hoeseFi5l05U1@individual.net>...
> "Patrick" <patrick.melet@dmradiocom.fr> schrieb im Newsbeitrag
>
> > Perhaps it's be better if the RESET is after the 3.3V power-on ?
>
> Use a voltage monitor that releases the reset after ALL voltages are valid.
>
> Regards
> Falk

We add a RC circuit beetween the reset from the Stratix circuit to the
MAX circuit. So the MAX is resetted after the 3.3V is ON and sometimes
the program from the flash don't boot !!!
This is a big problem for our system which uilizes 3 boards...
My Support from Altera don't explain me what's happen...

So is there anybody who have this problem with these EP1S25 cards and
is there a solution ?

 0
patrick
6/21/2005 7:49:22 AM
"Patrick" <patrick.melet@dmradiocom.fr> schrieb im Newsbeitrag

> We add a RC circuit beetween the reset from the Stratix circuit to the
> MAX circuit. So the MAX is resetted after the 3.3V is ON and sometimes
> the program from the flash don't boot !!!
> This is a big problem for our system which uilizes 3 boards...
> My Support from Altera don't explain me what's happen...

So why to safe a buck to get a REAL voltage monitor. Do it and try. And see.

Regards
Falk


 0
Falk
6/21/2005 5:29:00 PM
For those who have the same problem. Altera have new files for
reprogramming the MAX chip. And so the card will boot at every
power-up.
The release is dated by 13 June 2005 !!!!

> "Falk Brunner" <Falk.Brunner@gmx.de> wrote in message news:<3hoeseFi5l05U1@individual.net>...
> > "Patrick" <patrick.melet@dmradiocom.fr> schrieb im Newsbeitrag
> >
> > > Perhaps it's be better if the RESET is after the 3.3V power-on ?
> >
> > Use a voltage monitor that releases the reset after ALL voltages are valid.
> >
> > Regards
> > Falk
>
>
> We add a RC circuit beetween the reset from the Stratix circuit to the
> MAX circuit. So the MAX is resetted after the 3.3V is ON and sometimes
> the program from the flash don't boot !!!
> This is a big problem for our system which uilizes 3 boards...
> My Support from Altera don't explain me what's happen...
>
> So is there anybody who have this problem with these EP1S25 cards and
> is there a solution ?

 0
patrick
6/22/2005 3:50:17 PM

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