Hi,

I recently bought Xilinx CPLD  from ebay which is XCR3256XL in QFP144
package 3.3V but when I connect it to JTAG, it reports Philips brand, and
unknown part.

It seems these are very old CPLDs
http://www.edn.com/electronics-news/4353364/Xilinx-to-Acquire-Philips-CPLDs

They still can be programmed with ISE 8.1 or 10.1
http://www.xilinx.com/webpack/classics/wpclassic/index.htm

I would like to use Bus Blaster v4 from Dangerous Prototypes to program it
with urjtag.
What would I need to add support for these type of device to urjtag ?
Is that feasible ? I just want to make use of the chips I acquired.

Thanks,
Mateusz
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