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???
06/21/06 21:08
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#118806 - This is field-programmable logic.
Responding to: ???'s previous message
You can put in or leave out whatever you choose. If you want the standard UART, you can have that, and the standard timer/counter as well if you need. However, you don't HAVE TO. You can put in SPI or I2C or HDLC, or ethernet, or whatever, using whatever timebase you can construct or acquire, either as external hardware or internal IP from wherever you like, or you can roll-yer-own.

If you need, you can even reconfigure the thing on-the-fly. You can, if you like, build in an HDC/FDC and, when the time is right, modify it into an ETHERNET interface, if you're a reall glutton for punishment. I don't recommend it, but nothing will prevent it if you're determined.

If you want the standard UART, fine. If you want a different one, also fine. If you want to shift the data in the other direction, that's OK too. You get to do what you want, and you don't have to do any of this.

RE




List of 95 messages in thread
TopicAuthorDate
How badly would this hurt ...            01/01/70 00:00      
   Depends            01/01/70 00:00      
      dam'd americans            01/01/70 00:00      
   not a new variant, exactly            01/01/70 00:00      
      Use the Power of the 8052            01/01/70 00:00      
         which history?            01/01/70 00:00      
         That's my first choice ... however ...            01/01/70 00:00      
      DMA            01/01/70 00:00      
         No such plan is in the works.            01/01/70 00:00      
            DMA!            01/01/70 00:00      
               OK, but how much will you give up?            01/01/70 00:00      
                  DMA, logic and stuff...            01/01/70 00:00      
                     I think you have a different concept            01/01/70 00:00      
                        I don't understand... but...            01/01/70 00:00      
                           I'm not sure where this is headed            01/01/70 00:00      
      Cool            01/01/70 00:00      
         TI writable            01/01/70 00:00      
         if this is it, it is solved, if not rest            01/01/70 00:00      
   major confusion            01/01/70 00:00      
      Aye ... there's the rub...            01/01/70 00:00      
         a loud and resounding NO WAY            01/01/70 00:00      
            too late to edit            01/01/70 00:00      
               That's not what I want ... right now ...            01/01/70 00:00      
                  it DOES matter            01/01/70 00:00      
                     not in this case            01/01/70 00:00      
                        XDATA vs DATA/IDATA            01/01/70 00:00      
                           it's a work in progress, and, like many            01/01/70 00:00      
                        We seem to have come a long way            01/01/70 00:00      
                           yes, it's a mess ...            01/01/70 00:00      
                              if this is a survey            01/01/70 00:00      
                                 I'd have to agree            01/01/70 00:00      
                                    you can have your cake and eat it too.            01/01/70 00:00      
                        sure it does            01/01/70 00:00      
                           depends on memory width, doesn't it?            01/01/70 00:00      
                              go ahead, but PLEASE do not refer to the            01/01/70 00:00      
                                 I don't know what one should call it            01/01/70 00:00      
                                    I do, when it has benefits            01/01/70 00:00      
                                       I looked at them years ago            01/01/70 00:00      
                                          you are missing 'enhancements'            01/01/70 00:00      
                                             well if it uses the SFR's            01/01/70 00:00      
                                                as an example of an enhancement            01/01/70 00:00      
                                                   This is field-programmable logic.            01/01/70 00:00      
                                                      and have one more development step/uncer            01/01/70 00:00      
                                                         That's the whole point ...            01/01/70 00:00      
                           back up a bit ...            01/01/70 00:00      
                              AR7 is the annotation used by the better            01/01/70 00:00      
               Actually, that's not rational            01/01/70 00:00      
   It wouldn't bug me at all            01/01/70 00:00      
      not good enough            01/01/70 00:00      
         someone didn't read the datasheet first            01/01/70 00:00      
            that is impossible, ridiculous as well            01/01/70 00:00      
   not a thought but the fact            01/01/70 00:00      
      How to make a simple process ugly            01/01/70 00:00      
         new core            01/01/70 00:00      
            Atmel says            01/01/70 00:00      
               of course, they do            01/01/70 00:00      
               Why not just switch to another mfg?            01/01/70 00:00      
                  availability            01/01/70 00:00      
                     too bad ... how about a 68HCsomething?            01/01/70 00:00      
                     no problem            01/01/70 00:00      
                        Today Russia is            01/01/70 00:00      
      Be careful with ATMEL ...            01/01/70 00:00      
         What's with the French bashing?            01/01/70 00:00      
            French bashing            01/01/70 00:00      
               nothing wrong with french bashing            01/01/70 00:00      
                  There's nothing pressing            01/01/70 00:00      
                  You guys should be ashamed of yourselves            01/01/70 00:00      
                     Oh, LIGHTEN UP!            01/01/70 00:00      
            Probably this            01/01/70 00:00      
               Yes, that played a significant part            01/01/70 00:00      
                  I agree half the way            01/01/70 00:00      
                     Well, I'm P*ssed off!            01/01/70 00:00      
                        of course not            01/01/70 00:00      
   there are ways            01/01/70 00:00      
      Where does this fit?            01/01/70 00:00      
         with code as above you can feed a 460k U            01/01/70 00:00      
            I don't doubt that for a moment, but ...            01/01/70 00:00      
               already answered            01/01/70 00:00      
                  they're cleared independently, right?            01/01/70 00:00      
                  you get to the ISR, how do you know why?            01/01/70 00:00      
                     isn't that TI and RI            01/01/70 00:00      
                        I'm puzzled too            01/01/70 00:00      
                     you have two flags            01/01/70 00:00      
                        and so what?            01/01/70 00:00      
                           That would cause a problem.            01/01/70 00:00      
                              Richard, sleep on it            01/01/70 00:00      
                                 It's exactly how Moto does it            01/01/70 00:00      
                                 Maybe not ...            01/01/70 00:00      
                                    JBC            01/01/70 00:00      
                                       it's not clear yet            01/01/70 00:00      
                                    What is the difference, they take the sa            01/01/70 00:00      
                                 to Richard            01/01/70 00:00      
                                    Thanks, I'll give it a look            01/01/70 00:00      
   you get to the ISR, how do you know why?            01/01/70 00:00      
      don't RI and TI tell you?            01/01/70 00:00      

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