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???
05/29/10 15:19
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#176299 - e-mailed to Steve, Craig --- forum FYI
Responding to: ???'s previous message
Steve, Craig:

I need to update my 485 FAQ to add comments on the (recent) double buffer derivatives.

Is there a way for me to get at it, the "edit" button comes back with a "too old" message.

If either of you can do it, but can not enable me to do so, please add above 'Erik' the following:

Some modern derivatives have a double buffer TI SBUF. For such derivatives it is required to either:
a) Make reception enabled at all times and use RI also as 'transit complete'
b) Keep track in software of when the TI is the end of last byte
c) Disable double buffering (possible on all derivatives I have seen with double buffer)


Erik

List of 21 messages in thread
TopicAuthorDate
Receiving serial bytes on 80C320 UART            01/01/70 00:00      
   here            01/01/70 00:00      
      Thanks - excellent FAQ            01/01/70 00:00      
         "bible time"            01/01/70 00:00      
            Truly biblical!            01/01/70 00:00      
   My recommendation...            01/01/70 00:00      
      Useful ideas - but I don't want to change the hardware            01/01/70 00:00      
         You are absolutotally unconditionally confused            01/01/70 00:00      
            !RI or /RE            01/01/70 00:00      
               I'll re-answer the post above            01/01/70 00:00      
                  Use previous advice and keep receiver enabled            01/01/70 00:00      
                     This can't be right...            01/01/70 00:00      
                        How to get it working            01/01/70 00:00      
                        sometimes right, sometimes wrong            01/01/70 00:00      
                           e-mailed to Steve, Craig --- forum FYI            01/01/70 00:00      
                           We're getting there...            01/01/70 00:00      
                              I believe you are corect....            01/01/70 00:00      
                                 join the club            01/01/70 00:00      
                                    "No other way??"            01/01/70 00:00      
                                       in my (personal) opinion            01/01/70 00:00      
         what is "other code" ?            01/01/70 00:00      

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