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Registered: ‎01-28-2012

FPGA and CPLD programming with urJTAG and FT2232

Hello everyone,


       I have used the ft2232 IC to design a USB to JTAG adapter for CPLD (XC9572) and FPGA (XC3S250E) programming. it works well with CPLD XC9572 for programming with .svf file... but when i try to programm the FPGA with it gives an error as TDO seems to be stuck at 0... i have changed the FPGA board and now the error is same.. i am not able to detect the problem... whether the problem is in  -- Hardware or in FPGA board or in the sorftware directory....

Pls help me for this...

Thanks in advance..



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