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06/05/06 19:47
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 		 #117785 - AT89S8252 MIDI Baud Rate

Hello people.
Here is straightforward question:

I tried many many things to force my 89s8252 to receive MIDI messages, but i obiously have problem with baud rate witch is 31250 for MIDI application.

I tried 20 Mhz crystal and Timer 2
I tried 12 Mhz and Timer 1 (TH=0xff said Keil.com calculator)
and many many more..

I do receive some bytes on serial port but it is not what is sent from midi device.


Please help me with this problem !!!
Thanks in advance

List of 41 messages in thread
TopicAuthorDate
AT89S8252 MIDI Baud Rate            01/01/70 00:00      
   Have you ...            01/01/70 00:00      
      A 12 MHz xtal ...            01/01/70 00:00      
         why deprioritize what can not happen?            01/01/70 00:00      
         AT89S8252 MIDI Baud Rate            01/01/70 00:00      
            AT89S8252 MIDI Baud Rate            01/01/70 00:00      
            My settings from the 80's            01/01/70 00:00      
                I don't see Initialization Problem            01/01/70 00:00      
                  First results            01/01/70 00:00      
                     This could have problems            01/01/70 00:00      
                        strange behaviour            01/01/70 00:00      
                           indentions            01/01/70 00:00      
                           post the .lst or hex            01/01/70 00:00      
                              hex code and problem location            01/01/70 00:00      
                                 6N138            01/01/70 00:00      
                                 PC817            01/01/70 00:00      
                                    Debugging            01/01/70 00:00      
                                 had a look            01/01/70 00:00      
                                    rise/fall times (hair-splitting)            01/01/70 00:00      
                                       you cn't do that            01/01/70 00:00      
                                          PROBLEM SOLVED            01/01/70 00:00      
                                             Great Stuff - Glad it's working            01/01/70 00:00      
                                                next            01/01/70 00:00      
                                                Dark side of 
 tags      
      01/01/70 00:00      
                                                   What you are totally missing is t            01/01/70 00:00      
                                                   Interesting ..            01/01/70 00:00      
                                          if you look at me, you will know :)            01/01/70 00:00      
                  My settings from the 80's            01/01/70 00:00      
      Not a "standard" baud rate            01/01/70 00:00      
         Loop back would work because ...            01/01/70 00:00      
   Because it happens later ....            01/01/70 00:00      
   what is your hardware?            01/01/70 00:00      
      hardware            01/01/70 00:00      
         what optocoupler and what are the parts            01/01/70 00:00      
            emmeiG odoC            01/01/70 00:00      
               I was just about to make a suggestion            01/01/70 00:00      
               A suggestion            01/01/70 00:00      
                  Close            01/01/70 00:00      
                     No, by no means are you supposed to beg            01/01/70 00:00      
         Gimme Code            01/01/70 00:00      
         A SCOPE ???????            01/01/70 00:00      

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