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???
12/02/04 16:26
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#82408 - the crux
Responding to: ???'s previous message
Upper case letter 'U' is recieved it is used for autobaud setting and ISP firmware echo this 'U'

FlashMagic works in full duplex and thus you can NOT ISP with 485. Of course, should you be so inclined, you can always write your own IAP code.

Erik

To everyone:
If you have a fully functional, cleanly written, well documented, absolutely guaranteed 485 IAP for the Cygnal F12x series, I may be willing to buy it. If your proposal say "proven by testing" do not send it to me.

List of 26 messages in thread
TopicAuthorDate
RS485 Contention.            01/01/70 00:00      
   485 ISP            01/01/70 00:00      
      RS485 'U' & ISP            01/01/70 00:00      
         the crux            01/01/70 00:00      
            Flashmagic !!!!            01/01/70 00:00      
            RS485 contention            01/01/70 00:00      
            Cygnal F12x            01/01/70 00:00      
            Reply to Erik            01/01/70 00:00      
               FM< half duplex            01/01/70 00:00      
                  Reply to Erik            01/01/70 00:00      
                     bus direction            01/01/70 00:00      
                        A few comments            01/01/70 00:00      
                           comnments on comments            01/01/70 00:00      
                              comments^3            01/01/70 00:00      
                                 boot NIT            01/01/70 00:00      
                                    An example worth 3E8h words :-)            01/01/70 00:00      
            A fundamental query - Erik            01/01/70 00:00      
               testing            01/01/70 00:00      
   RS 485 Contention            01/01/70 00:00      
      RS485 Contention            01/01/70 00:00      
   Switch ?            01/01/70 00:00      
      RS485 contention            01/01/70 00:00      
   Possible solutions.            01/01/70 00:00      
   Thanks Erik.            01/01/70 00:00      
   SOLUTION            01/01/70 00:00      
      Thanks but thats not the solution            01/01/70 00:00      

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