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. 06, 2013
Filed:
Feb. 06, 2007
Dong-hee Han, Suwon-si, KR;
Dong-Hee Han, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-Si, KR;
Abstract
A read only memory (ROM) data patch circuit replaces ROM data stored in N modified ROM data blocks with patch data stored in N random access memory (RAM) patch blocks based on patch information. The ROM data patch circuit includes a data patch detecting unit, a RAM address generating unit, and an address selecting unit. The data patch detecting unit generates N offset select signals and an address select signal. The N offset select signals indicate which block a read ROM address belongs to, and the address select signal represents whether the read ROM address belongs to any of the N modified ROM data blocks. The RAM address generating unit generates a read RAM address corresponding to the read ROM address based on the offset select signals. The address selecting unit outputs one of the read ROM address and the read RAM address based on the address select signal.