Circuit Cellar Ink 34
May 1993

Table of Contents

2 Ken Davidson	Editor's INK A Match Made in Heaven
6 Harv Weiner	New Product News
12 Janice Benzel Linda Reuter Nuckolls	Closed Captioning with the Motorola 68HC05CC1 By July 1, 1993, all televisions sold with screens 13" or larger must be able to decode and display closed captions. The 68HC05CC1 processor makes adding such capability to existing circuits much easier. Download: CCDEMO.ZIP
26 Fred H. Carlin	Vector Approach Simplifies Three-Dimensional Graphics Until we perfect a holographic display device, we'll have to be content projecting three-dimensional images onto two-dimensional space. Some basic knowledge of such transforms can simplify the task.
32 David Ericson	Graphics LCD Control for Embedded Applications In most controller applications, precious little free processor time is left to devote to display functions. Off-load the bulk of the display tasks to a custom controller chip and see what magic can be done. Download: LCD1.ZIP LCD1PLOT.ZIP
44 Ed Nisley	Firmware Furnace I/O Time: The '386SX Project Gains a Timer A good timebase is essential in any real-time system. While the typical PC already has timers, it's helpful to have more that can be dedicated to the task at hand. Follow Ed as he adds some timers to his project. Download: FF34.ZIP
54 Jeff Bachiochi	From the Bench Squeeze That Battery 'Till It's Dry There are lots of kinds of batteries on the market, but which is best for what kind of application? Every manufacturer has their own data, but Jeff decided to hold his own testing session. Find out what his results were.
60 Tom Cantrell	Silicon Update Audio Rx -- Skippy CDs? Tangled Tapes? Call an MD ... Sony's new Mini Disc promises to revolutionize portable audio in much the same way the CD did to home stereos. Find out what makes MD so special for audio recording and what it promises in the way of data recording.
66 John Dybowski	Embedded Techniques Interchip Traffic What do you do when you need to add some EEPROM, an A/D converter, and a parallel I/O port to your latest design, but you only have two extra I/O pins? The InterIntegrated Circuit (I2C) bus may be your answer.
78 Russ Reiss	Patent Talk
81	Advertiser's Index
85 Ken Davidson	ConnecTime -- Excerpts from the Circuit Cellar BBS
96 Steve Ciarcia	Steve's Own INK The Club

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