The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 19, 1998

Filed:

Feb. 22, 1994
Applicant:
Inventors:

Timothy D Davis, Arlington, TX (US);

Roman Baker, Sunnyvale, CA (US);

Dan E Daugherty, Burleson, TX (US);

Martin S Michael, Los Gatos, CA (US);

Ahmed Masood, Austin, TX (US);

Kent Bruce Waterson, Everman, TX (US);

Hon C Fung, Arlington, TX (US);

Mark Douglas Koether, Grand Prairie, TX (US);

J Scott Johnson, Fort Worth, TX (US);

Assignee:

National Semiconductor Corp., Santa Clara, CA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ; H04L / ;
U.S. Cl.
CPC ...
39520001 ; 305800 ; 305412 ; 30549701 ; 305876 ; 305821 ; 305555 ;
Abstract

Input/output and local area network functions are combined into a single integrated circuit on a single semiconductor (e.g., a single piece of silicon). Preferred system embodiments on a single integrated circuit are typically placed inside a host system (e.g., a personal computer based on Intel.RTM.'s 286, 386, 486, and Pentium microprocessors) and interrelate with standard operating systems (e.g., Microsoft.RTM.'s DOS, IBM.RTM.'s OS/2) on traditional, commonly used bus architectures (e.g., Industry Standard Architecture and Enhanced Industry Standard). Local area network circuitry and input and output circuitry are both coupled to at least one host system (and indirectly to potentially any number of host systems tied together via the local area network system) via a common data bus. The input and output circuitry couples the host system to at least one input/output channels. Examples of the types of input/output channels are a first serial interface, a second serial interface, a parallel port, a hard drive, a floppy drive, and/or any combination thereof.


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