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06/24/10 07:15
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 		 #176877 - RE: ARM is not the only 32-bitter
Responding to: ???'s previous message
Justin Fontes said:
Just keep in mind ARM is not the only 32-bitter out there

Agreed - totally.
(just as 8051/2 is not the only 8-bitter)

but seems to be a favorite. .

Indeed - certainly as far as embedded stuff goes.

I think the reason that ARM is a particular favourite here is that it's the only one to have variants that are comparable to high-end 8-bitters?

So, if you're straining at the limits of a (high-end) 8-bit processor, it's a relatively small step up to one of the low-end ARMs.
I don't think that any of the other 32-bit architectures offer that - do they?
It seems to me that other 32-bit architecture are much more of a "quantum leap"?

The other thing about ARM, of course, is that it is not just a single manufacturer - just like the 8051/2.
See: http://www.8052.com/forumchat/read/176867


List of 104 messages in thread
TopicAuthorDate
So What Is An 8051/2 Good For?            01/01/70 00:00      
   thoughts            01/01/70 00:00      
      The Future of the 805x            01/01/70 00:00      
         PARC            01/01/70 00:00      
            Bigger Hammers            01/01/70 00:00      
               re: Bigger Hammers            01/01/70 00:00      
               The opposite problem seems more common here!            01/01/70 00:00      
         Would Toyota have had the problem if ...            01/01/70 00:00      
            Toyota: Case in point            01/01/70 00:00      
            RE: Toyota            01/01/70 00:00      
               It was a mechanical fix ...            01/01/70 00:00      
            Parallel Processing            01/01/70 00:00      
               Sometimes the practical reality is of little consequence            01/01/70 00:00      
                  Totally Agree, but I was looking for a magic bullet            01/01/70 00:00      
                  RE: "outperform"            01/01/70 00:00      
                     There are some operations ...            01/01/70 00:00      
                        rephrased            01/01/70 00:00      
                        Now, you are extrapolating            01/01/70 00:00      
                           good points, but            01/01/70 00:00      
                              How many 8051 chips uses 0.13u?            01/01/70 00:00      
                                 not yet            01/01/70 00:00      
                           not exactly ...            01/01/70 00:00      
                              Do not get focused on one operation...            01/01/70 00:00      
                              any 8-bit instruction can exist in a 32-bit processor            01/01/70 00:00      
                                 Yes, but does it?            01/01/70 00:00      
                                    So have you looked at any other processors?            01/01/70 00:00      
                                       not a point of disagreement, but you missed it anyway            01/01/70 00:00      
                                          A good point            01/01/70 00:00      
                                             beg to differ            01/01/70 00:00      
                                             Disagree entirely!            01/01/70 00:00      
                                          Yes, auto-increment/decrement is standard and not "feature"            01/01/70 00:00      
                                             What I wanted to point out ...            01/01/70 00:00      
                                                Same same all the time. no "one size fits".            01/01/70 00:00      
                                                   and the most important point is (drumroll) ....            01/01/70 00:00      
                                                Comparing Apples to Oranges            01/01/70 00:00      
                                          Prices are comparable            01/01/70 00:00      
               Parallel processing            01/01/70 00:00      
                  Sweeping generalisation!            01/01/70 00:00      
                     Not a magic silver bullit            01/01/70 00:00      
                        Fond memories            01/01/70 00:00      
                        A magic bullet            01/01/70 00:00      
                           Most concepts already exists in the wild            01/01/70 00:00      
                           Another generalisation            01/01/70 00:00      
                           Speed vs latency            01/01/70 00:00      
                              Why 8051?            01/01/70 00:00      
                                 Isn't it obvious?            01/01/70 00:00      
                                    ARM simpler than 8051            01/01/70 00:00      
                                       Generalisation            01/01/70 00:00      
                                          ARM 'MCUs' have their limitations too!            01/01/70 00:00      
                                             You normally engineer with a backup plan            01/01/70 00:00      
                                    No, it's not!            01/01/70 00:00      
                                       Im just trying to provide an argument            01/01/70 00:00      
                                          x bits are just one parameter among many            01/01/70 00:00      
                                             Avoiding the issue            01/01/70 00:00      
                                                Avoiding what issue?            01/01/70 00:00      
                                          They say it because it's true!            01/01/70 00:00      
                                          RE: ARM is not the only 32-bitter            01/01/70 00:00      
                                    Please don'g generalize            01/01/70 00:00      
                                 Heterogenous multiprocessing widespread            01/01/70 00:00      
                  Re: Multicore 8051            01/01/70 00:00      
                     ALU chaining            01/01/70 00:00      
   Well... maybe            01/01/70 00:00      
      A Linear Accelerator?            01/01/70 00:00      
         Its one of these            01/01/70 00:00      
      please, repeat            01/01/70 00:00      
         All I was saying was            01/01/70 00:00      
   So what the '51 are good for...            01/01/70 00:00      
      Not terribly helpful            01/01/70 00:00      
         Always up to the developers            01/01/70 00:00      
            RE: The manufacturers tells us...            01/01/70 00:00      
               Sales - "may be used for" presented as "recommended"            01/01/70 00:00      
               pretty hot, low-power and small            01/01/70 00:00      
                  Automotive...            01/01/70 00:00      
         but answers your original question (at least the one...            01/01/70 00:00      
         MCS51 still rocking !!!            01/01/70 00:00      
            Scale            01/01/70 00:00      
            Missing the point            01/01/70 00:00      
               Impossible to generalize into fields            01/01/70 00:00      
                  An appropriate generalisation...            01/01/70 00:00      
               You are right..Andy Neil            01/01/70 00:00      
                  Cheers!            01/01/70 00:00      
                     No..only AT89C52 can be used            01/01/70 00:00      
                        why do you insist on Atmel?            01/01/70 00:00      
                        what a strange post            01/01/70 00:00      
                        Tools?            01/01/70 00:00      
                           Multiple manufactuers with (almost) identical chips            01/01/70 00:00      
                              Getting better            01/01/70 00:00      
                                 Unified interrupt controller is really great            01/01/70 00:00      
                           Yes, even with free tools for PIC/AVR            01/01/70 00:00      
                              I mean no offense, but ...            01/01/70 00:00      
                              Similar difficulties coming to 8051/2?            01/01/70 00:00      
                                 Same same            01/01/70 00:00      
                  Is it your purchase price or why so sure AVR or PIC are off?            01/01/70 00:00      
                     Answer to Per and Erik...            01/01/70 00:00      
                  Living in the past            01/01/70 00:00      
                     Thanks John D. Maniraj            01/01/70 00:00      
                     locking            01/01/70 00:00      
                        RE: Locking            01/01/70 00:00      
                        Agreed, but            01/01/70 00:00      
                           fairly easy            01/01/70 00:00      
      Don't forget consumer devices            01/01/70 00:00      
         A perfect application            01/01/70 00:00      
   8051 vs ARM            01/01/70 00:00      
   just thought of one case            01/01/70 00:00      

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