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:
May. 13, 2003
Filed:
Feb. 02, 2000
Hong-Kyu Kim, Kyunggi-do, KR;
Yong-Chun Kim, Kyunggi-do, KR;
Samsung Electronics Co., Ltd., Suwon, KR;
Abstract
A digital signal processing system performs different word-length arithmetic operations (e.g., 24-bit arithmetic and 16-bit arithmetic) using the same hardware. The digital signal processing system includes internal buses, a host processor coupled to the internal buses, a DSP coprocessor coupled to the internal buses for performing a digital signal processing under control of the host processor, and first and second data memories coupled to the internal buses. The DSP coprocessor further includes a random access memory (RAM) pointer for generating addresses to access the first and second data memories, a multiply and accumulate (MAC) unit for performing a multiply and accumulate operation, an arithmetic unit, a shift and exponent unit for shifting operands and for evaluating exponents, and a local decoder for decoding DSP commands from the host processor and controlling the RAM pointer, the arithmetic unit, and the shift and exponent unit.