On Thu, Apr 21, 2011 at 11:04 AM, Herbert Graf wrote: > You 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 this problem. But I did notice that by NOT configuring any of the segment LEDs for use resulted in all of them glowing dimly jut like that one segment. So what I think it is, is a mis-configured pin map for that segment. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .