Re: Cost of a microcontroller - is it very important?
- From: "Dave" <Dave@xxxxxxxx>
- Date: Mon, 31 Mar 2008 12:16:11 +0100
"henza" <hychan@xxxxxxxxx> wrote in message
news:A46dnRFYu_-2Xm3anZ2dnUVZ_oSunZ2d@xxxxxxxxxxxxxxx
A newbie here.
After reading a small portion of the discussion, this question comes up in
my head, is the cost of microcontroller a very important issue in terms of
picking the right one? How much a microcontroller CAN contribute to a
whole product?
Or is it the functionality, speed, power consumption and development
toolchain userfriendly-ness more important in the decision?
I am thinking about using Cortex M3 for my server cabinet temp controller
project, is it a bad choice in any context?
Many thanks in advance
Henry
Like all things it depends on the end application. I've worked in an
Automotive environment and where we were developing a high volme product of
maybe 500k units/year for a relatively mature application then a $3 micro.
is very sgnificant for a total product selling price of maybe $40. On the
other hand I've also worked on a product with a volume of only 1000/yr and
product selling price of around $1k so then the $10-$15 micro. isn't so
significant. In this case it was a very new technology where factors such
as reliability and safety were far more important than cost.
I believe military and medical applicaions tend to be even less cost
sensitive for the individual components.
.
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