Hi David, > iam trying to use an Openocd USB cable to upload a bitstream to a spartan3e > on a Digilent Nexsy2 board. Seems that urjtag can't identify the fpga > properly. > > jtag> cable USB-TO-JTAG-IF > Connected to libftd2xx driver. > jtag> frequency 3000000 > Setting TCK frequency to 3000000 Hz
I'd suspect an electrical issue, mismatched levels or cross-talk. You've already decreased the frequency - does it get any better when decrease even more? Cheers Arnim ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ UrJTAG-development mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/urjtag-development
