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???
11/04/08 16:09
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 		 #159646 - that's exactly why on RS485...
Responding to: ???'s previous message
... you should never attempt collision detect multimastering scheme. On RS485, you must prevent collisions, not detect them.

On this forum, we usually preach the "proper way of doing things" (such as "do not mix asm into C" ;-) ), not because things cannot be done in a different (shortcut, sexi, etc.) way, but because it saves headaches for the unaware. Those who know better, are of course free to shoot themselves into foot.

JW


List of 24 messages in thread
TopicAuthorDate
Interfacing RS485 (SN75176) with AT89c51            01/01/70 00:00      
   Select your components with care            01/01/70 00:00      
   Compnents are irreplacable !!            01/01/70 00:00      
      What do you miss in the datasheet            01/01/70 00:00      
      It is a simple chip            01/01/70 00:00      
   do not do rs485 without ...            01/01/70 00:00      
   Here's the info for starting            01/01/70 00:00      
   Controlling the sn75176!!            01/01/70 00:00      
      use the \"industrial strangth\" LT1785 instead            01/01/70 00:00      
         Easy to control the RS-485 transeciever            01/01/70 00:00      
            this is one of the biggest mistakes in RS485            01/01/70 00:00      
               Not so much specific for RS-485            01/01/70 00:00      
               might be???            01/01/70 00:00      
                  These are NOT RS485            01/01/70 00:00      
                     Lack of dominant bit state            01/01/70 00:00      
                        that's exactly why on RS485...            01/01/70 00:00      
                           Token-passing requires explicit or arbitrated mast            01/01/70 00:00      
                        the amazing thing is ...            01/01/70 00:00      
                           ... that it matter            01/01/70 00:00      
                              I am NOT talking about multiple masters, ...            01/01/70 00:00      
      follow the link            01/01/70 00:00      
         the two REAL 485 sources            01/01/70 00:00      
            Preview?            01/01/70 00:00      
               I do not know why            01/01/70 00:00      

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