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???
04/05/05 16:31
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#91032 - Serial Timing
Responding to: ???'s previous message
I've often heard that RS-232 baudrates must be accurate to +1%/-2% (or was it +2%/-1%). Anyway, the following web site discusses this and they came to same conclusion that I did. If you can get everything with 1%, communications will be OK.

http://www.seetron.com/ser_an1.htm

Remember that the transmitter and receiver must be considered in this situation. So, if the transmitter is off by +2% and the receiver is off by -2%, there are likely to be problems.

Jon

List of 28 messages in thread
TopicAuthorDate
Comm. Between 8052 & PC            01/01/70 00:00      
   Whats the baud rate? Is it PC compatible            01/01/70 00:00      
      Baud rate error            01/01/70 00:00      
         baud rate tolerances            01/01/70 00:00      
            some thoughts            01/01/70 00:00      
            Baud rate errors            01/01/70 00:00      
               baud rate errors/2            01/01/70 00:00      
                  How about this?            01/01/70 00:00      
                     Serial Timing            01/01/70 00:00      
                        additional error            01/01/70 00:00      
                     plausible            01/01/70 00:00      
                        Oops!            01/01/70 00:00      
   Cable? Speed?            01/01/70 00:00      
      More on cables            01/01/70 00:00      
      Check cable pins            01/01/70 00:00      
   PC Software?            01/01/70 00:00      
      Really?            01/01/70 00:00      
         Line termination: Some - not most            01/01/70 00:00      
            Line termination            01/01/70 00:00      
               GetLine ?!            01/01/70 00:00      
            Exactly            01/01/70 00:00      
               VB6            01/01/70 00:00      
                  Some How!!            01/01/70 00:00      
                     another option            01/01/70 00:00      
            Unspecific English            01/01/70 00:00      
            Platform-Specific Line Termination            01/01/70 00:00      
               Extra Line            01/01/70 00:00      
                  Lines, Platforms, and dead-end threads            01/01/70 00:00      

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