Circuit Cellar Ink 8
April/May 1989

Table of Contents

1 Curtis Franklin, Jr.	Editor's INK The Whole Story
5	Reader's INK Letters to the Editor
10 Steve Ciarcia	Switching Power Supplies Efficient Power for Embedded Control Systems When you downsize the controller, the power supply has to shrink, too. Steve looks at the "black art" of designing efficient, clean power supplies in compact form factors.
20	Visible INK Letters to the INK Research Staff
22	Product Reviews -- The Next Generation Circuit Cellar INK sells out and enjoys it! Supercharged Worry Munchers. Circuit Cellar INK looks at four diverse applications solutions.
30 Jack Ganssle	Writing A Real-Time Operating System -- Part 2 Memory Management and Applications for the HD64180 Jack Ganssle discusses working with the HD64180's internal MMU and tips on writing applications in the conclusion of this two-part article. Download: rtos.zip
34 Ed Nisley	ImageWise/PC -- The Digitizing Continues -- Part 3 Topping it off with Software Although solder is the favorite programming tool of many engineers, software is the glue that holds ImageWise/PC together, as this three- part series concludes, Ed Nisley describes the software that makes this PC-BUS digitizer possible. Download: ImageWisePC.zip Note: Source code for the ImageWise/PC EPROM is not available.
46 Jeff Bachiochi	From the Bench Creating a Network-based Embedded Controller
52 Tom Cantrell	HD647180X -- A New 8-Bit Microcontroller Embedded Controllers Get Respect While the state-of-the-art marches toward 32 bits, 8-bit microcontrollers keep getting more powerful. The HD647180X is the latest integrated controller built on the foundation of the proven Z80.
56 Ed Nisley	Firmware Furnace The True Secrets of Working with LCDs Download: ff8.zip
65	Advertiser's Index
67 Ken Davidson	ConnecTime -- Excerpts from the Circuit Cellar BBS
72 Steve Ciarcia	Steve's Own INK Smile When You Call Me That

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