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???
02/28/10 07:11
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 		 #173639 - Not a good idea
Responding to: ???'s previous message
Michael Ma said:
What do you measn crappy solution ?

It has so many disadvantages & limitations, while microcontrollers with 2 (and more) UARTS are so easily available.

Working-around the limitations actually adds complexity, rather than simplifying things.

List of 83 messages in thread
TopicAuthorDate
ready made board with 2 UARTs equipped ..            01/01/70 00:00      
   Send me details            01/01/70 00:00      
   SiLabs kit            01/01/70 00:00      
      they don't, but            01/01/70 00:00      
   Can you give more details ?            01/01/70 00:00      
      if it was to be made, I need no assistance since ...            01/01/70 00:00      
         ...and I thought Price was the issue...            01/01/70 00:00      
   One Suggestion            01/01/70 00:00      
      the MX chips are being phased out            01/01/70 00:00      
   I sent you email            01/01/70 00:00      
      read, answered, thanks            01/01/70 00:00      
   you can use sm5964            01/01/70 00:00      
      the idea was stated as...            01/01/70 00:00      
         It is a suggestion            01/01/70 00:00      
            Not a good idea            01/01/70 00:00      
            that it is            01/01/70 00:00      
   How about Phycore?            01/01/70 00:00      
      Legacy Product            01/01/70 00:00      
         oh, yes            01/01/70 00:00      
            Have a look at grifo            01/01/70 00:00      
   This looks good too            01/01/70 00:00      
   I've been wondering ...            01/01/70 00:00      
      Likewise            01/01/70 00:00      
         Maybe, but who makes 'em?            01/01/70 00:00      
            8052 with only 1 UART            01/01/70 00:00      
               I'm surprised, but that's the case!            01/01/70 00:00      
                  why surprised?            01/01/70 00:00      
                     That's what I thought            01/01/70 00:00      
                     I never thought of it in those terms ...            01/01/70 00:00      
                        comments            01/01/70 00:00      
                           It could be done with two wires and 2-UART MCU            01/01/70 00:00      
      120 devboards ...            01/01/70 00:00      
         How difficult or costly would it be to add one?            01/01/70 00:00      
            neither difficult nor costly            01/01/70 00:00      
         SILABs 040 has 2 uarts on it            01/01/70 00:00      
   with ds89c450 or 430            01/01/70 00:00      
      But that's a chip - not a board!            01/01/70 00:00      
         cheap boards            01/01/70 00:00      
            this is what's meant            01/01/70 00:00      
               No RS485            01/01/70 00:00      
                  Example            01/01/70 00:00      
                     bad example            01/01/70 00:00      
                        No - excellent example!            01/01/70 00:00      
                           likewise with that other board ...            01/01/70 00:00      
                           And did *you* know what are you looking for?            01/01/70 00:00      
                              You got it            01/01/70 00:00      
                  why "never"?            01/01/70 00:00      
                     the PC's not the best example ...            01/01/70 00:00      
                        PC as an example            01/01/70 00:00      
                           Lots of toys ... little of any practical use.            01/01/70 00:00      
                              Different tools can be used in different ways            01/01/70 00:00      
                                 where is your head wedged?            01/01/70 00:00      
                                    Don't blame the PC for solving wrong things with USB            01/01/70 00:00      
                                       There are many things for which USB is unsuited            01/01/70 00:00      
                                          Every change since 1980 isn't for the worse            01/01/70 00:00      
                                             Maybe, but this one is            01/01/70 00:00      
                                                again            01/01/70 00:00      
                                                   Thta's what you say ...            01/01/70 00:00      
                                                      that's what you always say            01/01/70 00:00      
                                                         Where you sit determines what you see            01/01/70 00:00      
                                                            Where did you sit?            01/01/70 00:00      
                                                   SPI solves completely different problem than HDLC            01/01/70 00:00      
                                                and again            01/01/70 00:00      
                                                   what about the required size of the driver?            01/01/70 00:00      
                                                      required size of driver            01/01/70 00:00      
                                                         What do you mean by PCL Cost?            01/01/70 00:00      
                                                            price difference between similar printers -            01/01/70 00:00      
                                                Define narrow view - I see oportunities, i.e. the reverse            01/01/70 00:00      
                                                   not relevant            01/01/70 00:00      
                                                      So the Windows driver didn't list 8051 compatibility???            01/01/70 00:00      
                                          I vote Richard as president for ...            01/01/70 00:00      
                                             That's what one would expect from you, Erik            01/01/70 00:00      
                              USB and fixed-rate transfer            01/01/70 00:00      
                                 Fortunately, there's DOS ...            01/01/70 00:00      
                        Linux - I thought as much            01/01/70 00:00      
                        PCs            01/01/70 00:00      
                           you forgot about LINUX            01/01/70 00:00      
   By this time, anybody could have built one...            01/01/70 00:00      
      Funnily enough, ...            01/01/70 00:00      
      no            01/01/70 00:00      
   I Hate to ask this....            01/01/70 00:00      
      A *very* common requirement!            01/01/70 00:00      
      if indeed            01/01/70 00:00      

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