Circuit Cellar Ink 65
December 1995

Table of Contents

2 Ken Davidson	Editor's INK Start Ups
6	Reader's INK Letters to the Editor
8 Harv Weiner	New Product News
12 Stuart Ball	In-System-Programmable PLDs from Lattice While PLDs have been around for many years, Lattice has put a new twist on an old workhorse. With their line of ISP parts, the devices can be programmed without taking them out of the circuit.
20 David Van den Bout	Building a Low-Cost CPLD Development System Unlike Steve, David prefers software. You can easily fix errors, document through variables, and reuse modules. Hence, the CPLD fits his bill. He shows us how to build a complete CPLD development system.
28 Fred Eady	Take Your PIC A Look at the PIC16Cxx Family After taking a close look at the common architecture of the PIC16Cxx family, Fred details each subfamily's unique features. He wraps up his article by touching on how to program PICs.
36 Janice Marinelli	7th Annual Circuit Cellar Design Contest Winners
Embedded PC 40 Harv Weiner	Nouveau PC
Embedded PC 45 Dennis Fredette	NEST: Novell's Embedded Networking Solution With NEST, Novell extends their desktop networking expertise into the embedded market. After overviewing the NEST architecture, Dennis delves into what makes up each specific layer of the network.
Embedded PC 52 Larry Fish	Thirty-two-bit Tricks for Embedded Controllers Larry shows us how to get all the benefits of a 32-bit unsegmented architecture and still operate happily under DOS and BIOS. You can get at the power of the 80386 processor with conventional OS code.
Embedded PC 60 Ken Prada	PC/104 Quarter PC/104 Embedded Systems in Oceanographic Instruments In ancient days, before PCs, oceanographic research used embedded systems. Ken traces the evolution of those systems to today when many are based on PC/104 architecture.
Embedded PC 67 Russ Reiss	Applied PCs Embedded PC Buses and CPU Boards This month, Russ compares various bus options for embedded PCs. ISA, EISA, VLB, and PCI buses mix with newer standards such as PC/104 and IndustryPack. Tips for choosing the most suitable bus round things off.
74 Ed Nisley	Firmware Furnace Journey to the Protected Land: Behind the Interrupt Curtain Wrapping up this leg of the journey, Ed checks out how interrupts are handled while in 32-bit Virtual-86 mode. The necessary overhead may surprise you.
84 Jeff Bachiochi	From the Bench Carrier Current Modem: Part 2: Alternative Control This month Jeff shows us how to shrink a computer into one of the power-line modem interfaces to control appliances. With this method, you gain X-10 power-line advantages and closed-loop confidence.
92 Tom Cantrell	Silicon Update PC Times in Silicon Valley Back on the conference circuit, Tom gives us the latest on Hot Chips and Silicon Valley PC. News on buses, DRAM, and SCSI gives way to the latest "limit" in silicon, which seems to have more to do with wallets than walls.
81	Advertiser's Index
99 Ken Davidson	ConnecTime -- Excerpts from the Circuit Cellar BBS
112 Steve Ciarcia	Steve's Own INK The Powers that Be

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