F
FPGANewbie
Guest
I have a few XC95108 (-20 speed grade), PC84 package. One of them
programs OK using a self designed test board and xilinx published
parallel port JTAG circuit. The rest of these CPLDs dont program.
Impact s/w erases them properly, but while programming, it just doesnt
seem to be doing nothing. Probing the JTAG signals on the CPLD does
show some activity, but the programming doesnt finish. Any tips? I
have tried various cable lengths between the Dongle and the CPLD board
and it doesnt help.
Thanks,
FPGANewbie
programs OK using a self designed test board and xilinx published
parallel port JTAG circuit. The rest of these CPLDs dont program.
Impact s/w erases them properly, but while programming, it just doesnt
seem to be doing nothing. Probing the JTAG signals on the CPLD does
show some activity, but the programming doesnt finish. Any tips? I
have tried various cable lengths between the Dongle and the CPLD board
and it doesnt help.
Thanks,
FPGANewbie