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From: firstname.lastname@example.org (Rincewynd)
Subject: Re: Examples Of Common MCU's In Consumer Electronics?
Date: 11 Sep 2002 01:28:46 -0700
NNTP-Posting-Date: 11 Sep 2002 08:28:46 GMT
Chuck Simmons wrote in message news:<3D7EAA79.F245AC56@webaccess.net>...
> Geraldo Sazias wrote:
> > Can someone cite some examples of 'common' (frequently used by hobbyists)
> > MCU's (AVR,PIC and MSP430) being used in consumer and or mass produced
> > electronics? Whenever I open up some consumer electronics device it has
> > either an unknown MCU or one I can't identify at all (ussually bump
> > packaged directly onto the PCB). Is it even economically viable to use on of
> > these MCU's in a million plus class consumer electronics device?
> Actually, a lot of MCUs are buried in ASICs so you don't know they are
> there. It is so easy to develop ASICs with buried MCUs that recognizable
> MCU parts will likely vanish from consumer products. The goals of highly
> integrated solutions are cost, speed and simplified development in that
> order. There are quite a number of MCU/MPU products that exist in ASIC
> libraries so that new designs using MPUs with gate arrays and analog
> functions are reality. Since the cost of ASICs is silicon area and
> package, it is impossible to compete with ASICs by using familiar
> MCU/MPU parts with jelly bean glue.
The integration process doesn't stop, though. A SOC will lead
inevitably to a system comprising several SOC's. Which will then end
up as a SOC if the requirement is large enough. But in the
intervening period, the multiple-chip units are manufactured. My ACER
fax machine has a Z80 + EPROM (not a new one, obviously :) ) even
though there were many mature MCUs available when it was made.
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