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Teaching digital-systems design with a microprocessor-controlled patchboard

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2 Author(s)
Casaca, A.J.D. ; Technical University of Lisbon, Lisboa, Portugal ; Woods, J.V.

A microprocessor-based unit to aid the teaching of digital systems design is described. The unit comprises a patchboard interfaced to a microcomputer which simulates logic blocks of any desired complexity; these may be physically interconnected on the patchboard to assemble a digital system. The configuration of logic blocks on the patchboard is specified by data in the microcomputer's memory; this may easily be changed to provide a range of systems experiments using the same equipment. The patchboard configuration may be described by a sequence of statements written in a special-purpose language, in order to provide a specification suitable for experimental procedure. The statements are processed by a translation program which generates the appropriate simulation code and data for the controlling microprocessor's memory.

Published in:

Computers and Digital Techniques, IEE Proceedings E  (Volume:130 ,  Issue: 3 )

Date of Publication:

May 1983

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