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. 05, 2008
Filed:
Jun. 20, 2005
Satoshi Matsui, Kawasaki, JP;
Satoshi Matsui, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
When needing to make write accesses to both upper and lower sides of a counter in a timer, a CPU accesses the lower side last, and accesses the lower side first when needing to make read accesses thereto. The timer stores data of the data bus in the write buffer at the write access to the upper side, and writes the data of the data bus to the lower side and writes the data of the write buffer to the upper side at the write access to the lower side. At the read access to the lower side of the counter, the timer reads the data of the lower side for output to the data bus and reads the data of the upper side for storage in the read buffer. At the read access to the upper side, it outputs data of the read buffer to the data bus.