Your turn around delay is 1 character, plus whatever delays are introduced by the most-certainly-nowhere-like-realtime Windoze before dispatching your program. Bob Ammerman RAm Systems (contract development of high performance, high function, low-level software) ----- Original Message ----- From: Alan B. Pearce To: Sent: Monday, August 21, 2000 9:28 AM Subject: Re: [PIC]: Commx with half duplex RS485 > >Yeah, but you still have to turn off your transmitter when you receive. > >That's the whole point off the 2-wire half-duplex link. > > but after you receive the last character you know you transmitted, you know you > can turn off the transmitter. It gives you a one character turn around delay > maybe. It saves having to know when to turn on the receiver > > -- > http://www.piclist.com hint: To leave the PICList > mailto:piclist-unsubscribe-request@mitvma.mit.edu -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu