US Patent Issued to SIGMASTAR TECHNOLOGY on Sept. 16 for "Direct memory access (DMA) circuit and operation method thereof" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,417,791, issued on Sept. 16, was assigned to SIGMASTAR TECHNOLOGY LTD. (Xiamen, China).

"Direct memory access (DMA) circuit and operation method thereof" was invented by Jian-Zhi Wang (Shanghai), Wei Zhu (Shanghai), Bing-Jie He (Shanghai), Jian Liu (Shanghai), Bo Lin (Shanghai) and Ming-Yong Sun (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "An operation method of a direct memory access (DMA) circuit comprising a buffer circuit and two channels includes following steps: determining first and second start addresses from the buffer circuit respectively according to first and second read requests of first and second channels that respectively co...