cancel
Showing results for 
Show  only  | Search instead for 
Did you mean: 
mafgani
Observer
Observer
3,451 Views
Registered: ‎05-06-2009

Device malfunction detection

Hi,

 

is there any way to check whether a device is faulty? I am experiencing some very strange problems that I cannot explain in any other way.

 

The board in question is a ML402 (Virtex 4 SX35) Eval. Platform. Some of the I/O pins on the expansion header appear to be dead so I suspect there might be other problems as well.

 

Thanks.

 

-Mostafa

0 Kudos
Reply
3 Replies
bassman59
Historian
Historian
3,447 Views
Registered: ‎02-25-2008

Use a JTAG scan program to drive the pins to known logic levels and then probe the pins.

 

iMPACT is NOT the JTAG scan program you need.

----------------------------Yes, I do this for a living.
0 Kudos
Reply
mafgani
Observer
Observer
3,429 Views
Registered: ‎05-06-2009

Ok, which (Linux compatible) JTAG scanner would you suggest? What can use to find out whether there are damaged CLBs in the FPGA? Thanks.
0 Kudos
Reply
bassman59
Historian
Historian
3,403 Views
Registered: ‎02-25-2008

 


@mafgani wrote:
Ok, which (Linux compatible) JTAG scanner would you suggest?
I'm sure the Google can tell you whether JTAG tools that run under Linux exist.


What can use to find out whether there are damaged CLBs in the FPGA? Thanks.

Usually if a CLB is damaged the bitstream won't load and/or you'll have excessive current drawn from the power supply.

 

----------------------------Yes, I do this for a living.
0 Kudos
Reply