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Controlling Multiple Registers on a Computer BusNumber of addressable registers increased. Monitoring and controlling interface circuit expands capabilities of DR11-C (or equivalent) input/output port for computer that communicates with peripheral equipment via UNIBUS (or equivalent) data bus. Using only three address locations on bus, unit enables any number of external registers to be addressed, read, or written.
Document ID
19870000218
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Brokl, Stanley S.
(Caltech)
Date Acquired
August 13, 2013
Publication Date
May 1, 1987
Publication Information
Publication: NASA Tech Briefs
Volume: 11
Issue: 5
ISSN: 0145-319X
Subject Category
Electronic Systems
Report/Patent Number
NPO-16880
Accession Number
87B10218
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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