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Programmable Direct-Memory-Access ControllerProposed programmable direct-memory-access controller (DMAC) operates with computer systems of 32000 series, which have 32-bit data buses and use addresses of 24 (or potentially 32) bits. Controller functions with or without help of central processing unit (CPU) and starts itself. Includes such advanced features as ability to compare two blocks of memory for equality and to search block of memory for specific value. Made as single very-large-scale integrated-circuit chip.
Document ID
19900000098
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Hendry, David F.
(Caltech)
Date Acquired
August 14, 2013
Publication Date
March 1, 1990
Publication Information
Publication: NASA Tech Briefs
Volume: 14
Issue: 3
ISSN: 0145-319X
Subject Category
Electronic Systems
Report/Patent Number
NPO-17341
Accession Number
90B10098
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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