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.
Patent No.:
Date of Patent:
Apr. 19, 1988
Filed:
May. 22, 1986
Frederick O Miesterfeld, Troy, MI (US);
John M McCambridge, Northville, MI (US);
Ronald E Fassnacht, Rochester, MI (US);
Jerry M Nasiadka, Warren, MI (US);
Chrysler Motors Corporation, Highland Park, MI (US);
Abstract
In a communication system for the transmission of messages through a data bus between one or more user microprocessors coupled to the data bus, the user microprocessors having either a serial communications interface (SCI) port or a serial peripheral interface (SPI) port along with a clock port and an input/output port, the user microprocessors being coupled to the data bus by a bus interface integrated circuit, a method to transmit and receive data in an SPI mode of operation in conjunction with a method of arbitrating data on the data bus.