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:
Jan. 10, 2017
Filed:
Oct. 22, 2014
Cavium, Inc., San Jose, CA (US);
Vishal Anand, Saratoga, CA (US);
Harish Krishnamoorthy, San Jose, CA (US);
Guy Townsend Hutchison, Santa Clara, CA (US);
Cavium, Inc., San Jose, CA (US);
Abstract
A multiple access mechanism allows sources to simultaneously access different target registers at the same time without using a semaphore. The multiple access mechanism is implemented using N holding registers and source identifiers. The N holding registers are located in each slave engine. Each of the N holding registers is associated with a source and is configured to receive partial updates from the source before pushing the full update to a target register. After the source is finished updating the holding register and the holding register is ready to commit to the target register, a source identifier is added to a register bus. The source identifier identifies the holding register as the originator of the transaction on the register bus. The N holding registers are able to simultaneously handle N register transactions. The max value of N is 2, where n is the number of bits in the source identifier.