Microcontroller Family Selection Guide

"Eric" <englere_geo@yahoo.com> skrev i meddelandet 
news:1195015277.446723.273070@o3g2000hsb.googlegroups.com...
> On Nov 12, 6:43 pm, "Ulf Samuelsson" <u...@a-t-m-e-l.com> wrote:
>> "Eric" <englere_...@yahoo.com> skrev i 
>> meddelandetnews:1194905516.739123.253960@v65g2000hsc.googlegroups.com...> 
>> On Nov 5, 12:56 am, Eric <englere_...@yahoo.com> wrote:
>> >> I wrote up some of my thoughts about various microcontroller families.
>> >> My intent is to mostly to help newbies and students decide what type
>> >> of microcontrollers to start with.
>>
>> > I updated my paper with some of the corrections you folks pointed out.
>> > I appreciate your help. I did not info on new families aside from my
>> > "first thoughts" on the PIC32.
>>
>> You may want to add that the AVR can, if running from the internal R/C
>> oscillator
>> start from power down is less than 1 us.
>> Significantly better than the 7 us, quoted for the MSP430.
>>
>> Also, the AVR can normally be run at a lower voltage than the MSP430
>> which affects the power consumption.
>> The AVR can be programmed with Vcc downto 1,8V, some downto 1.62
>> even if that is not reflected in the official datasheet.
>>
>> Think you need to dig into the Brown-Out stuff as well.
>> Some of the MSP parts are quite weak here.
>
> The newest msp430's are better in a number of categories over their
> predecessors, but I'm guessing the Picopower devices may indeed be
> better in certain situations. I went to the Picopower seminar and I
> want to start working with these soon.
>
> I'll be working on the tools paper next. Does Atmel or any other
> company mentioned in my paper have special discounts for colleges or
> students? Educators usually have tight budgets. I work with professors
> sometimes so I know that price often drives their board and tool
> choices.
>
> Eric
>
You want to have your professors look at http://www.atmel.no/univ_prog

-- 
Best Regards,
Ulf Samuelsson
This is intended to be my personal opinion which may,
or may not be shared by my employer Atmel Nordic AB 

Walter Banks <walter@bytecraft.com> writes:

> Eric,
> 
> Some factual corrections and comments.
...
> "RS08 - the weakest 8-bit line in existence, and a terrifically good
>      example of how NOT to implement a Harvard architecture."
> 
>      The RS08 is a von Neumann architecture part not Harvard.

Thus validating Eric's claim:

If I was trying to implement a Harvard architecture, and managed to
build something that was von Neumann, I must have messed up bad, no?

mlp