On 4/27/2012 1:45 PM, andy pugh wrote: > On 27 April 2012 18:05, Dave<e...@dc9.tzo.com> wrote: > > >> I looked at the tri-state comp functions and although I understand what >> a tri state is, I didn't see it as really being very useful. >> > Its main use is probably simply as an interface between IO pins (such > as the PID gain pins) and output pins. You can't normally net Output > to IO pins. > > However, there have been occasions where I have been inconvenienced by > the fact that output pins get written to each and every cycle. I just > can't recall the circumstances, possibly a comp which wanted to the > use the same variable internally. > > >
It is probably one of those things where you know you need it, when you run into an issue. Dave ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers