Re: Trigger FPGA

[René Prieels <R.Prieels@fynu.ucl.ac.be>]

Dear Peter,

The problems goes with the definition of the pins.
You have to be sure that the inputs are never assigned to be an output 
and vice versa.
So if you used  the pin definition written in the program  I used for 
mucap, there should be no harm.

René


Le 29-juin-05, à 21:38, Peter Kammel a écrit :

> Dear Rene,
>
> I am afraid I was not clear. At some point you mentioned that the
> Altera chip can overheat if the pins are not terminated correctly. I
> assumed that has to do with the unused pins, because the used
> ones end in a driver or receiver chips anyway.
>
> I just wanted to be sure that we understand any overheating
> problem before we use your FPGA.
>
> Thanks
>
> Peter
>
>
>
> On Wed, 29 Jun 2005, [ISO-8859-1] René Prieels wrote:
>
>> Dear peter,
>>
>> The TRIGGER unit has only LVDS inputs and outputs. All should be
>> terminated on 100 ohms.
>> 1) The inputs are all the 7 connectors in the back of the module and
>> the 100 ohms resistors are normally plugged into the board close to
>> each connector.
>> 2) The outputs are the two connectors in the front section of the PCB.
>>
>> Best regards,
>> René
>> `
>> Le 29-juin-05, à 00:10, Peter Kammel a écrit :
>>
>>> Dear Rene,
>>>
>>> We brought your trigger FPFA to Illinios to test our verilog code.
>>> Before using it, I want to be sure that the pin terminations are
>>> correct. They should be, as we are using the project files defined
>>> by you.
>>>
>>> I cannot remember exactly. Is it the termination of unused pins
>>> which has to be defined correctly?
>>>
>>> Thanks again for your module.
>>>
>>> With best regards
>>>
>>> Peter
>>>
>>> Peter Kammel  /  pkammel@uiuc.edu
>>> Department of Physics, Loomis Laboratory
>>> University of Illinois at Urbana-Champaign
>>> 1110 West Green Street, Urbana, IL 61801
>>> Tel (217) 333-5424 / Fax (217) 333-1215
>>>
>>>
>>>
>> ---------------------------------------------------------------------
>>   René PRIEELS                                   Universite Catholique
>> de Louvain
>>   email: R.Prieels@fynu.ucl.ac.be     Departement de Physique / FYNU
>>   Tel  : ++ 32 (0)10 / 47 32 09             Chemin du cyclotron, 2
>>   Fax  : ++ 32 (0)10 / 45 21 83            B-1348 Louvain-la-Neuve -
>> BELGIUM
>> ---------------------------------------------------------------------
>>
>>
>
>
---------------------------------------------------------------------
  René PRIEELS                                   Universite Catholique 
de Louvain
  email: R.Prieels@fynu.ucl.ac.be     Departement de Physique / FYNU
  Tel  : ++ 32 (0)10 / 47 32 09             Chemin du cyclotron, 2
  Fax  : ++ 32 (0)10 / 45 21 83            B-1348 Louvain-la-Neuve - 
BELGIUM
---------------------------------------------------------------------