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. 04, 2004

Filed:

Jul. 31, 2001
Applicant:
Inventors:

Gary Watts, San Jose, CA (US);

Goran Relic, Milpitas, CA (US);

Assignee:

PRI Automation, Inc., Billerica, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/340 ;
U.S. Cl.
CPC ...
G06F 1/340 ;
Abstract

A fast serial interface including a three-wire network connection between a bus controller and one or more bus devices is disclosed. The bus controller processes and issues data packets across the three-wire network that include a command code, a bus device selection code, and a bus device register selection code. If the command code corresponds to write code, then the selected bus device stores the data contained within the packet in the selected register. If the command code corresponds to a read command, the selected bus device retrieves the data stored in the selected register, forms a read data packet and transfers the read data packet to the bus controller.


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