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:
Aug. 11, 1998
Filed:
Jun. 11, 1993
VLSI Technology, Inc., San Jose, CA (US);
Abstract
A computer system having a multiplex address/data bus with a multiplex system controller and method therefor is disclosed which provides in a computer system having time shared use of a multiplex address/data bus to reduce the number of required pins for devices within the computer system, a CPU having at least one address bus, at least one data bus, at least one memory input/output, and at least one CPU control bus coupled thereto for sending and receiving information. In addition, this system includes at least one memory input/output device coupled to a first portion of the address bus for sending and receiving at least one of address information and data information, at least one input/output only device coupled to a second portion of the address bus for sending and receiving at least one of address information and data information, and a multiplex system controller coupled to the CPU and the address bus and having a multiplex control bus coupled to both the memory input/output device and to the input/output only device for taking control of the address bus from the CPU.