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Adventurer
Adventurer
5,889 Views
Registered: ‎03-30-2012

ChipScope Analyzer with non-Xilinx devices in JTAG chain?

Hi:

 

I'm trying to use a JTAG chain with a non-Xilinx device in it with ChipScope Analyzer, and while it works fine if I just initialize the chain, and specify the IR length, I'm wondering if there's a way to put the BSDL file for this device in a place where Analyzer can automatically recognize it.

 

I know the Tcl interface has a 'parse_bsdl_file' command, but I wasn't sure if it would actually be possible to:

1) start a ChipScope server session

2) use the Tcl interface to identify the chain and parse the device's BSDL file

3) start up Analyzer, and then it would automatically know

 

I don't know if this is the way it works, and haven't gotten around to trying it yet because the Tcl interface isn't the world's most user-friendly thing...

 

Also I just wanted to make sure it was *normal* for Analyzer to have to ask for the IR length of a non-Xilinx device? I had thought if it used the "2 LSBs are 2'b01" trick it would autodetect it...

 

Thanks,

Patrick

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Xilinx Employee
Xilinx Employee
5,879 Views
Registered: ‎01-03-2008

Re: ChipScope Analyzer with non-Xilinx devices in JTAG chain?

> Also I just wanted to make sure it was *normal* for Analyzer to have to ask for the IR length of a non-Xilinx device?

 

Yes, this is normal and it's the easiest way to put the non-Xilinx devices into BYPASS mode.  When you save the ChipScope project file this information will be saved as well for the next time.

 

> I had thought if it used the "2 LSBs are 2'b01" trick it would autodetect it...

 

I have no idea what you mean by this.

 

------Have you tried typing your question into Google? If not you should before posting.
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