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<H2><FONT face=verdana,arial>Motoring with
microprocessors</FONT></H2><!-- /headline --><!-- sub head --><!-- /sub head -->
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<TD vAlign=top align=left
colSpan=2><!-- author(s) --><FONT face=verdana,arial
size=2>By <A href="mailto:info@JimTurley.com">Jim
Turley</A> </FONT><!-- /author(s) --></TD></TR>
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<TD vAlign=top align=left><!-- site --><FONT
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<P><FONT face=verdana size=2>
<P><FONT face=verdana color=#003366 size=2><B>Thanks to the
magic of microprocessors and embedded systems, our cars are
becoming safer, more efficient, and entertaining. </B></FONT>
<P>"<I>I'm drivin' in my car. I turn on the radio.</I>" —
Bruce Springsteen, "Fire"
<P>By my estimates, the average middle-class American
household includes over 40 embedded processors. About half are
in the garage. Cars make a great vehicle (sorry) for deploying
embedded processors in huge numbers. These processors provide
a ready source of power, ventilation, and mounting space and
sell in terrific quantities. Besides, they're cool. Better
still, automotive processors add sexy high-profile features
that car buyers will pay for. Processors provide better profit
margins than leather seats, undercoating, or "convenience
lighting groups."
<P>How many embedded processors does your car have? Go ahead,
guess. If you've got a late-model luxury sedan, two or three
processors might be obvious in the GPS navigation system or
the automatic distance control. Yet you'd still be off by a
factor of 25 or 50. The current 7-Series BMW and S-class
Mercedes boast about 100 processors apiece. A relatively
low-profile Volvo still has 50 to 60 baby processors on board.
Even a boring low-cost econobox has a few dozen different
microprocessors in it. Your transportation appli⌨️ 快捷键说明
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