On 20/05/2013 10:45 PM, Matthew Stock wrote: > So you think those pullups might be too strong for the FPGA? I'll take a > closer look at the chip specs. Just don't drive them high... should be OK... Regards, -- | Mark McDougall | "Electrical Engineers do it | <http://members.iinet.net.au/~msmcdoug> | with less resistance!"