文档介绍：CIRCUIT
PUTER APPLICATIONS JOURNAL
lthough convenGonal wisdom holds that
embedded applications require special embedded FOlJNDEWEDlTORlAL DIRECTOR PUBLISHER
Steve Ciarcia Daniel Rodrigues
controllers and interfaces, we’re starting to see that
wisdom challenged. When cost, not size, is the primary EDITOR-IN-CHIEF PUBLISHER’S ASSISTANT
Ken Davidson Sue Hodge
concern, off-the-shelf solutions from the desktop arena often offer a better
TECHNICAL EDITOR CIRCULATION COORDINATOR
price/performance ratio than their semicustom cousins. Janice Marinelli Rose Mansella
A good example is Ed’s embedded ‘386SX series. He’s been able to
ENGINEERING STAFF CIRCULATION ASSISTANT
show that by using inexpensive, “jelly-bean” motherboards instead of tiny, Jeff Bachiochi & Ed Nisley Barbara Maleski
specialized controllers, costs stay down without sacrificing performance.
WEST COAST EDITOR CIRCULATION CONSULTANT
I had occasion in the past few weeks e across another example, Tom Cantrell Gregory Spitzfaden
though with a much smaller market. Caller ID, a service provided by the local CONTRIBUTING EDITOR BUSINESS MANAGER
panies across the ., provides the called party with the caller’s John Dybowski te Walters
phone number (and sometimes name) before answering the phone. Caller NEW PRODUCTS EDITOR ADVERTISING COORDINATOR
ID boxes that display and record the data are available from many Harv Weiner Dan Gorsky
electronics suppliers in a price range of $3C-$90. Most of these units are ART DIRECTOR CIRCUIT CELLAR INK, PUTER APPLICA-
stand-alone devices, though. Interfacing them with puter to make Lisa Ferry TIONS JOURNAL (ISSN 0696-6985) IS published
monthly by Circuit Cellar Incorporated. 4 Park Street.
further use of the information is a costly and kludgy proposition. GRAPHIC ARTIST Suite 20, Vernon, CT 06066 (203) . Second
Joseph Quinlan ~IasspostagepaidatVernon, CTandaddltlonalofl~ces.
Some of these boxes do have a serial port tacked on the si