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???
03/21/09 13:20
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#163734 - Seems similar to break on RS232 cable
Responding to: ???'s previous message
"The start of a packet is signified by a break of at least 88uS followed by a "Mark After Break" (MAB) of at least 8uS, extended in 1990 from the 4uS specified in the original 1986 standard."

http://en.wikipedia.org/wiki/DMX512-A

List of 14 messages in thread
TopicAuthorDate
8051 DMX controller (sender)            01/01/70 00:00      
   Forgot to say... project is using 16mhz crystal            01/01/70 00:00      
   Please enlighten us what you mean by "break"            01/01/70 00:00      
      Seems similar to break on RS232 cable            01/01/70 00:00      
         Ok, then...            01/01/70 00:00      
   I think it is just....            01/01/70 00:00      
      Switch to another serial port mode,...            01/01/70 00:00      
         If Timer 1 is free, use this one.            01/01/70 00:00      
      More about break            01/01/70 00:00      
      Could be possible...            01/01/70 00:00      
         sending DMX512            01/01/70 00:00      
            Works for Kathy's / Disable uart            01/01/70 00:00      
               Should work...            01/01/70 00:00      
                  break            01/01/70 00:00      

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