On Thursday, April 21, 2011, Herbert Graf wrote: > On Thu, 2011-04-21 at 13:10 -0400, V G wrote: >> On Thu, Apr 21, 2011 at 11:04 AM, Herbert Graf wrote: >> >> > =A0You won't. By default some FPGAs enable week pull ups on their IOs,= it's >> > an option during configuration, I'd bet that's what you're seeing. >> > >> >> You may be onto something. But even the preloaded demo program faces thi= s >> problem. > > That's right. It's not something in the bitstream, it's something you > have to tell impact about. > > I don't know exactly where you'd find it offhand, but it's somewhere in > the programming options. > > This is a guess on my part, I'm not familiar with your board, but I've > seen it happen on many boards and the designers rarely pick up on it. > > TTYL > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > But I don't use Impact. I use Adept provided by Digilent to program the chi= p. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .