Today's navigation system has 10 micro-processors, 7 MBytes of memories, and 4 GBytes of external data storage for the map database. From the viewpoint of the automobile driver, major problems are a lack of traffic information, the human interface, and a need for cost-reduction. The introduction of application specific ICs (ASICs) is expected to make systems smaller, cheaper, and give higher speed response. Today's in-vehicle information systems are reviewed to discover what functions need to be implemented into ASICs for future systems, what ASICs will be required, and what technology has to be developed. It is concluded that more integration technology is expected including high performance CPUs, large capacity memories, interface circuits, and some analog circuits such as DA converters. To develop this technology, some major problems such as power consumption, number of input/output signals, as well as design aids and process technology are pointed out.
In-vehicle information systems and semiconductor devices they employ
Kraftfahrzeuginformationssystem und verwendete Halbleiterbauelemente
IEICE Transactions on Electronics ; E76-C , 12 ; 1744-1755
1993
12 Seiten, 36 Quellen
Article (Journal)
English
Halbleiterbauelement , Kundenschaltung , Kraftfahrzeugelektronik , digitale integrierte Schaltung , analoge integrierte Schaltung , Informationssystem , Navigationssystem , Mensch-Maschine-System , Speicherkapazität , Interface (Schnittstelle) , Digital-Analog-Umsetzung , Leistungsverbrauch , Verkehrsfunk
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