Circuit Cellar Ink 58
May 1995

Table of Contents

2 Ken Davidson	Editor's INK Go Huskies!
6	Reader's INK Letters to the Editor
8 Harv Weiner	New Product News
14 Brad Hunting	The Solution's in the CAN -- Part 1 Industrial-class, Small-area Networks In the first of a two-part series on CAN, Brad looks specifically at the CAN protocol and how it and its existing hardware implementations meet the requirements of a small area network.
22 Christopher Morris	The RDS Prospector Read Your Radio! RDS enables a radio to display messages recovered from the inaudible 57-kHz band of the FM signal. Chris introduces us to an inexpensive decoder which displays text and works with an existing FM tuner. Download: RDS.ZIP
30 Kenneth Ciszewski	Siemens ESCC2 UART Making a High-speed Audio Link Sing Not at the speed of light, but almost the speed of sound, the ESCC2 sings. This UART offers the harmony of high-speed asynchronous transmission through hardware interface, initialization, and software algorithms.
38 Robert Priestley	Low-cost PC-based Universal 68HC705 Development System Faced with a mammoth project, Robert realized he'd never get done unless traditional burn methods were replaced with something less tedious. His solution: a 68HC705 development system. Download: 68705DEV.EXE
48 Ed Nisley	Firmware Furnace Journey to the Protected Land: Memory, Time and I/O Need your RAM checked? Ed's here to do it. Two simple protected-mode dynamic memory allocation routines slice up the storage into task data, stacks, and temporary buffers. He wraps up his check with a look at the clock. Download: FF58.ZIP
58 Jeff Bachiochi	From the Bench Time in a Can: Just Add 1 Bit of I/O It's almost time to open the cooler and chug back those cans. This Bud's real cool. It offers a combination of elapsed time, enabled counts, ID serial number, and NVRAM.
66 Tom Cantrell	Silicon Update EPAC Epoch Cursed by analog? Latch onto this new electronically programmable analog circuit. In Tom's opinion, this circuit marks the beginning of a new trend in computing analog relations.
72 John Dybowski	Embedded Techniques Real Keyboard Emulation John wraps up his AT keyboard discussion with a look at the command set, scan-code tables, and a real application. He emulates keyboard communication using touch memory and an 8751 microprocessor. Download: ET58.ZIP
81	Advertiser's Index
82 Ken Davidson	ConnecTime -- Excerpts from the Circuit Cellar BBS
96 Steve Ciarcia	Steve's Own INK Politically Correct Programming

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