XC9500 JTAG Initialize problem

Hai

XC9500 is not initialized and .log file directing me to look for hardware
config problems.
I have Connected Parallel cable and using JTAG interface(assembled).  All
of JTAG Connections and VCC, GND connections were made properly 
The Part Iam tring to use :PLCC84-15.
The software ( ISE3.3i)  has been  tried on both win-98 and
Win-2000.Hardware
working with Pentium IV processor.

When observed on scope, I have seen glitches on TDI TDO and TCk pins.As
suggested in Parallel III cable, I am using HC125 ICs. How to kill them.

Any suggestions!

Thanks
Chelam

serial R + C to gnd, sometimes helps

Whereabouts are you using the HC125 devices? Are you sure you haven't 
inadvertantly inverted the signals?
A schematic or pinout would be helpful... (post it online somewhere and link 
to it)

Like Antii says, a quick solution is potentially an RC to remove the 
glitches, but it would nice to know exactly what's going on.

BTW: You should try moving away from the old foundation software... but I 
guess your cable isn't supported for newer versions... In any event I use a 
Parallel Cable IV with the XC9500, still using ISE7.1, will upgrade to 8 
when it settles down. It works very well.

Ben

"Chelam" <scpadala@gmail.com> wrote in message 
news:cOednX_YcKEqlJzZnZ2dnUVZ_sOdnZ2d@giganews.com...
> Hai
>
> XC9500 is not initialized and .log file directing me to look for hardware
> config problems.
> I have Connected Parallel cable and using JTAG interface(assembled).  All
> of JTAG Connections and VCC, GND connections were made properly
> The Part Iam tring to use :PLCC84-15.
> The software ( ISE3.3i)  has been  tried on both win-98 and
> Win-2000.Hardware
> working with Pentium IV processor.
>
> When observed on scope, I have seen glitches on TDI TDO and TCk pins.As
> suggested in Parallel III cable, I am using HC125 ICs. How to kill them.
>
> Any suggestions!
>
> Thanks
> Chelam
>
> 

I was able to program my first XC9572 using a parallel jtag and ISE8.1.
Of course ISE8.1 crash often but you can live with that (it does usually 
when u exit a tool ... )



Benjamin Todd wrote:
> Whereabouts are you using the HC125 devices? Are you sure you haven't 
> inadvertantly inverted the signals?
> A schematic or pinout would be helpful... (post it online somewhere and link 
> to it)
> 
> Like Antii says, a quick solution is potentially an RC to remove the 
> glitches, but it would nice to know exactly what's going on.
> 
> BTW: You should try moving away from the old foundation software... but I 
> guess your cable isn't supported for newer versions... In any event I use a 
> Parallel Cable IV with the XC9500, still using ISE7.1, will upgrade to 8 
> when it settles down. It works very well.
> 
> Ben
> 
> "Chelam" <scpadala@gmail.com> wrote in message 
> news:cOednX_YcKEqlJzZnZ2dnUVZ_sOdnZ2d@giganews.com...
> 
>>Hai
>>
>>XC9500 is not initialized and .log file directing me to look for hardware
>>config problems.
>>I have Connected Parallel cable and using JTAG interface(assembled).  All
>>of JTAG Connections and VCC, GND connections were made properly
>>The Part Iam tring to use :PLCC84-15.
>>The software ( ISE3.3i)  has been  tried on both win-98 and
>>Win-2000.Hardware
>>working with Pentium IV processor.
>>
>>When observed on scope, I have seen glitches on TDI TDO and TCk pins.As
>>suggested in Parallel III cable, I am using HC125 ICs. How to kill them.
>>
>>Any suggestions!
>>
>>Thanks
>>Chelam
>>
>>
> 
> 
>