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07/26/11 10:14
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Msg Score: +1
 +1 Good Answer/Helpful		 #183059 - Importance Of Preselection
Responding to: ???'s previous message
Maarten Brock said:
I've had a project where I wanted 6 PWM outputs and two UARTs on an NXP LPC2294. Unfortunately one UART always overlapped with one of the PWM outputs. So I had to drop one PWM output in favor of the second UART. Had this chip had a crossbar like SiLabs I would have had no problem.


This really points out how important it is to carefully lay out all your requirements beforehand. And then do a selection of hardware components that will meet that set of objectives. In this way we can prevent the otherwise inevitable and unfortunate disappointments.

Michael Karas


List of 56 messages in thread
TopicAuthorDate
sourcing Atmel product            01/01/70 00:00      
   89lp6440            01/01/70 00:00      
      atmel sourcing            01/01/70 00:00      
   Try another brand maybe...            01/01/70 00:00      
      silabs alternative            01/01/70 00:00      
         will need an isp            01/01/70 00:00      
         Almost Exclusively            01/01/70 00:00      
         great            01/01/70 00:00      
            try to find any other "ICE functionality" for less that 20x            01/01/70 00:00      
               as far as I recall            01/01/70 00:00      
                  It's called a USB debug apdapter            01/01/70 00:00      
                     Don't buy from there,,,            01/01/70 00:00      
                        Ripping off the Kiwis?            01/01/70 00:00      
               dongle vs devboard            01/01/70 00:00      
                  And the TB version as well            01/01/70 00:00      
                  do not forget ...            01/01/70 00:00      
                     [OT] $15 is pretty cheap for a devboard - or is it...?            01/01/70 00:00      
                        silabs alternative            01/01/70 00:00      
                           Curiosity            01/01/70 00:00      
                              atmel device            01/01/70 00:00      
                           C8051F120            01/01/70 00:00      
                              SFRPAGE Register            01/01/70 00:00      
                                 SFR Page Register            01/01/70 00:00      
                                    SFR Pages            01/01/70 00:00      
                                       what I do ...            01/01/70 00:00      
                                       Cross Bar            01/01/70 00:00      
                                          crossbar comments            01/01/70 00:00      
                                             Full multiplexers normally not needed            01/01/70 00:00      
                                                Coldfire Processor Like That            01/01/70 00:00      
                                                   Simple concept - but still so powerful            01/01/70 00:00      
                                                Two is too few            01/01/70 00:00      
                                                   Importance Of Preselection            01/01/70 00:00      
                                                      Caveat Emptor            01/01/70 00:00      
                                                         so have I            01/01/70 00:00      
                                                            Valid mapping solutions should be made before selection            01/01/70 00:00      
                                                               feature creep            01/01/70 00:00      
                                                                  Common problem that customer haven't the skill to purchase            01/01/70 00:00      
                                                                     specification            01/01/70 00:00      
                                                                        Not easy with all customers            01/01/70 00:00      
                                                                           design review            01/01/70 00:00      
                                                                              wrong cables            01/01/70 00:00      
                                                                                 Almost impossible to cover everything            01/01/70 00:00      
                                                                                 I've had pretty good luck with keys.            01/01/70 00:00      
                                                                        the best laid plans ...            01/01/70 00:00      
                                                                        It took me years to learn            01/01/70 00:00      
                                                                           too many clients simply want it to "work" ...            01/01/70 00:00      
                                                                  the classic answer to that is "Bring Money"            01/01/70 00:00      
                                                      high temperature            01/01/70 00:00      
                                                      Doesn't the SiLabs' tool handle that problem?            01/01/70 00:00      
                                                         I found it 'adequate' for the f12x chips            01/01/70 00:00      
                                                         SiLabs Config tool            01/01/70 00:00      
                                                            just come to think of one little gotcha            01/01/70 00:00      
                                                            There is another problem too....            01/01/70 00:00      
                        OR            01/01/70 00:00      
                           You mean the "ToolStick" ?            01/01/70 00:00      
                              Andy, as always            01/01/70 00:00      

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