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???
10/29/08 15:08
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 		 #159478 - do not do rs485 without ...
Responding to: ???'s previous message
.... http://www.national.com/an/AN/AN-1057.pdf in your hand, also read http://www.8052.com/faqs.phtml?FAQ=129030

Erik

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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