Circuit Cellar Ink 30
December 1992/January 1993

Table of Contents

2 Ken Davidson	Editor's INK Same Great Articles, Twice as Often
6	Reader's INK Letters to the Editor
8 Harv Weiner	New Product News
14 Sanjaya Vatuk	Build the SmartROM EPROM Emulator If you feel like you're not swatting program bugs fast enough with erase-and-burn firmware development, try this EPROM emulator. A debug session is just a download away. Download: SMARTROM.ZIP
24 Robin Brophy	68705 SLUSH Not Quite an ICE, But Just as Useful What happens when you need a hardware-based debugging tool, but don't need the power of a full-blown In-Circuit Emulator (ICE)? You make something not quite as cool and call it a SLUSH. Download: SLUSH.ZIP
32 Paul Hitchcock	Program 8748/49s with the DAR-49 The 8748/9 has been around forever, but people still have trouble when it comes time to program its internal EPROM. With the right combination of dumb hardware and smart software, the DAR-49 is one inexpensive solution. Download: DAR49.ZIP
44 Tom Cantrell	LCD Lineup Getting Graphic with the LM213B Picture this: You have an application that needs more than just plain text display capability. Here's a graphic example of an LCD module that can handle bit-mapped drawing. Download: LM213.ZIP
58 Lisa Nadile	Winners in the Fourth Annual Circuit Cellar Design Contest
62 Russell Lindgren	Microvolt Measurements Use a 20-bit A/D Converter in Your Next Design Memory sizes continue to grow, data buses get wider, and effective resolutions on A/D converters keep increasing. Find out some tricks to getting 20 bits of precision from this ADC. Download: 20BITADC.ZIP
68 Michael Swartzendruber	Build a Computer-Controlled Multiswitch System The most complicated part of some control systems is the interface to the outside world. A chip from Power Integrations, Inc. makes building that interface just a little bit easier.
72 Ed Nisley	Firmware Furnace Physical Constants & A Mini Interpreter Open up the junk box, piece together what would normally be an ordinary Boy Scout demonstration, add Ed's magical touch, and you end up with a contraption that teaches more than one concept to more than one group. Download: FFRAIL.ZIP
80 Jeff Bachiochi	From the Bench Entry-level Embedded Development -- On a Shoestring Budget The market is seeing more and more neat, tiny, inexpensive processors that are perfect for light-duty embedded applications. Jeff checks out the latest from Motorola and is pleased with what he finds. Download: ULTRASON.ZIP
90 Tom Cantrell	Silicon Update Hot Chips IV -- Silicon Sizzlers Tom's cooking again with some new chips fresh off the grill. Check out the latest megaprocessors from DEC, AT&T, and Intel, plus some research going on at Stanford University.
94 John Dybowski	Practical Algorithms Denominations of Time Time marches on, and nothing knows that better than the microprocessor in your latest project. There are many techniques for dealing with time; which one you use depends on your hardware.
97	Advertiser's Index
100 Ken Davidson	ConnecTime -- Excerpts from the Circuit Cellar BBS
112 Steve Ciarcia	Steve's Own INK Evolution

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