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Migrating from PIC 8bit to ARM7TDMI & ARM7 cortex-M3 MCU's

akaka

Hi all,

 

First of all I do not want to offend any PIC user(I am too) but my personal opinion is that ARM mcu's are better than the PIC(better than PIC32 too).

I am hearing your experinces, advantages-disadvantages.

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  • Now we have so many low cost digitally addressable sensors of all types hasn't the bias of many designs moved from having lots of I/O or  even analog I/O to been able to process that information handed to us in a nice bitstream. A 32 bit M3 is obviously going to be better at this than a 8 bit PIC. To be honest once the square black blob is capable of doing a job isn't it all more about the relative cost of the black blob rather than any other measurement. A 50 cent PIC black blob is more likely to be used than a M3 at say 1$ unless you can add some real value add in to the solution that wasn't in the original specification.

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  • Now we have so many low cost digitally addressable sensors of all types hasn't the bias of many designs moved from having lots of I/O or  even analog I/O to been able to process that information handed to us in a nice bitstream. A 32 bit M3 is obviously going to be better at this than a 8 bit PIC. To be honest once the square black blob is capable of doing a job isn't it all more about the relative cost of the black blob rather than any other measurement. A 50 cent PIC black blob is more likely to be used than a M3 at say 1$ unless you can add some real value add in to the solution that wasn't in the original specification.

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